State Cancer Profiles > Interpretation of Demographics Data

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Interpretation of Demographics Data

Demographic Data Report for Iowa by County
Population: Age 40 and over
All Races (includes Hispanic), Both Sexes
2020-2024 American Community Survey 5-Year Data
Sorted by Percent

United States

2023 Rural-Urban Continuum Codes Φ : N/A
Value (Percent) : The value is 48.5 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 162,458,898.
Rank within US : N/A

Iowa

2023 Rural-Urban Continuum Codes Φ : N/A
Value (Percent) : The value is 48.3 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 1,549,508.
Rank within US : This county is ranked 34 of 52

Dickinson County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 60.4 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 10,869.
Rank within US : This county is ranked 243 of 3143

Audubon County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 59.7 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 3,341.
Rank within US : This county is ranked 292 of 3143

Fremont County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 58.1 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 3,782.
Rank within US : This county is ranked 434 of 3143

Clayton County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 57.3 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 9,750.
Rank within US : This county is ranked 527 of 3143

Guthrie County

2023 Rural-Urban Continuum Codes Φ : Urban
Value (Percent) : The value is 57.0 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 6,090.
Rank within US : This county is ranked 566 of 3143

Hardin County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 56.4 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 9,386.
Rank within US : This county is ranked 628 of 3143

Worth County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 56.4 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 4,147.
Rank within US : This county is ranked 628 of 3143

Adams County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 56.3 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 2,039.
Rank within US : This county is ranked 638 of 3143

Hancock County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 56.2 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 5,992.
Rank within US : This county is ranked 652 of 3143

Sac County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 56.2 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 5,442.
Rank within US : This county is ranked 652 of 3143

Cherokee County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 56.0 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 6,494.
Rank within US : This county is ranked 682 of 3143

Van Buren County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 55.9 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 4,051.
Rank within US : This county is ranked 695 of 3143

Page County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 55.6 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 8,419.
Rank within US : This county is ranked 751 of 3143

Jackson County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 55.0 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 10,674.
Rank within US : This county is ranked 853 of 3143

Cerro Gordo County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 54.9 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 23,416.
Rank within US : This county is ranked 869 of 3143

Monona County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 54.9 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 4,700.
Rank within US : This county is ranked 869 of 3143

Shelby County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 54.7 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 6,447.
Rank within US : This county is ranked 909 of 3143

Butler County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 54.6 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 7,795.
Rank within US : This county is ranked 926 of 3143

Cass County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 54.6 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 7,155.
Rank within US : This county is ranked 926 of 3143

Greene County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 54.6 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 4,741.
Rank within US : This county is ranked 926 of 3143

Lee County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 54.6 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 17,960.
Rank within US : This county is ranked 926 of 3143

Taylor County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 54.6 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 3,201.
Rank within US : This county is ranked 926 of 3143

Jefferson County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 54.5 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 8,555.
Rank within US : This county is ranked 952 of 3143

Ringgold County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 54.4 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 2,527.
Rank within US : This county is ranked 971 of 3143

Emmet County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 54.3 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 5,033.
Rank within US : This county is ranked 993 of 3143

Floyd County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 54.3 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 8,317.
Rank within US : This county is ranked 993 of 3143

Jones County

2023 Rural-Urban Continuum Codes Φ : Urban
Value (Percent) : The value is 54.3 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 11,337.
Rank within US : This county is ranked 993 of 3143

Cedar County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 54.1 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 9,925.
Rank within US : This county is ranked 1045 of 3143

Fayette County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 54.1 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 10,444.
Rank within US : This county is ranked 1045 of 3143

Kossuth County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 54.1 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 7,859.
Rank within US : This county is ranked 1045 of 3143

Chickasaw County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 54.0 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 6,370.
Rank within US : This county is ranked 1065 of 3143

Montgomery County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 54.0 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 5,515.
Rank within US : This county is ranked 1065 of 3143

Delaware County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 53.9 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 9,456.
Rank within US : This county is ranked 1083 of 3143

Osceola County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 53.8 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 3,280.
Rank within US : This county is ranked 1103 of 3143

Benton County

2023 Rural-Urban Continuum Codes Φ : Urban
Value (Percent) : The value is 53.6 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 13,798.
Rank within US : This county is ranked 1158 of 3143

Keokuk County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 53.6 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 5,316.
Rank within US : This county is ranked 1158 of 3143

Pocahontas County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 53.6 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 3,779.
Rank within US : This county is ranked 1158 of 3143

Franklin County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 53.5 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 5,329.
Rank within US : This county is ranked 1177 of 3143

Winneshiek County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 53.5 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 10,628.
Rank within US : This county is ranked 1177 of 3143

Iowa County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 53.4 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 8,813.
Rank within US : This county is ranked 1205 of 3143

Louisa County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 53.3 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 5,691.
Rank within US : This county is ranked 1225 of 3143

Appanoose County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 53.2 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 6,486.
Rank within US : This county is ranked 1245 of 3143

Calhoun County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 53.2 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 5,218.
Rank within US : This county is ranked 1245 of 3143

Lucas County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 53.2 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 4,639.
Rank within US : This county is ranked 1245 of 3143

Palo Alto County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 53.2 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 4,713.
Rank within US : This county is ranked 1245 of 3143

Allamakee County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 53.1 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 7,485.
Rank within US : This county is ranked 1267 of 3143

Boone County

2023 Rural-Urban Continuum Codes Φ : Urban
Value (Percent) : The value is 53.0 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 14,128.
Rank within US : This county is ranked 1288 of 3143

Mitchell County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 52.9 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 5,592.
Rank within US : This county is ranked 1302 of 3143

Des Moines County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 52.6 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 20,243.
Rank within US : This county is ranked 1379 of 3143

Hamilton County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 52.6 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 7,826.
Rank within US : This county is ranked 1379 of 3143

Humboldt County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 52.6 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 5,043.
Rank within US : This county is ranked 1379 of 3143

Mills County

2023 Rural-Urban Continuum Codes Φ : Urban
Value (Percent) : The value is 52.6 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 7,665.
Rank within US : This county is ranked 1379 of 3143

Winnebago County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 52.6 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 5,563.
Rank within US : This county is ranked 1379 of 3143

Clinton County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 52.5 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 24,284.
Rank within US : This county is ranked 1412 of 3143

Clay County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 52.4 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 8,633.
Rank within US : This county is ranked 1437 of 3143

Harrison County

2023 Rural-Urban Continuum Codes Φ : Urban
Value (Percent) : The value is 52.3 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 7,650.
Rank within US : This county is ranked 1461 of 3143

Adair County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 52.2 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 3,893.
Rank within US : This county is ranked 1488 of 3143

Grundy County

2023 Rural-Urban Continuum Codes Φ : Urban
Value (Percent) : The value is 52.1 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 6,450.
Rank within US : This county is ranked 1510 of 3143

Wayne County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 51.9 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 3,388.
Rank within US : This county is ranked 1570 of 3143

Carroll County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 51.8 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 10,669.
Rank within US : This county is ranked 1593 of 3143

Ida County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 51.8 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 3,577.
Rank within US : This county is ranked 1593 of 3143

Jasper County

2023 Rural-Urban Continuum Codes Φ : Urban
Value (Percent) : The value is 51.8 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 19,660.
Rank within US : This county is ranked 1593 of 3143

Henry County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 51.5 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 10,293.
Rank within US : This county is ranked 1669 of 3143

Tama County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 51.3 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 8,650.
Rank within US : This county is ranked 1728 of 3143

Plymouth County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 51.2 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 13,183.
Rank within US : This county is ranked 1740 of 3143

Monroe County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 51.0 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 3,835.
Rank within US : This county is ranked 1793 of 3143

Poweshiek County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 51.0 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 9,451.
Rank within US : This county is ranked 1793 of 3143

Madison County

2023 Rural-Urban Continuum Codes Φ : Urban
Value (Percent) : The value is 50.8 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 8,596.
Rank within US : This county is ranked 1836 of 3143

Union County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 50.8 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 6,087.
Rank within US : This county is ranked 1836 of 3143

Washington County

2023 Rural-Urban Continuum Codes Φ : Urban
Value (Percent) : The value is 50.8 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 11,466.
Rank within US : This county is ranked 1836 of 3143

Buchanan County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 50.6 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 10,461.
Rank within US : This county is ranked 1884 of 3143

Pottawattamie County

2023 Rural-Urban Continuum Codes Φ : Urban
Value (Percent) : The value is 50.1 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 46,837.
Rank within US : This county is ranked 2012 of 3143

Marion County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 49.9 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 16,798.
Rank within US : This county is ranked 2056 of 3143

Webster County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 49.6 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 18,303.
Rank within US : This county is ranked 2109 of 3143

Muscatine County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 49.5 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 21,071.
Rank within US : This county is ranked 2137 of 3143

Wright County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 49.4 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 6,324.
Rank within US : This county is ranked 2164 of 3143

O'Brien County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 49.3 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 6,971.
Rank within US : This county is ranked 2185 of 3143

Wapello County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 49.3 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 17,443.
Rank within US : This county is ranked 2185 of 3143

Scott County

2023 Rural-Urban Continuum Codes Φ : Urban
Value (Percent) : The value is 49.2 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 85,888.
Rank within US : This county is ranked 2214 of 3143

Howard County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 48.9 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 4,620.
Rank within US : This county is ranked 2280 of 3143

Mahaska County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 48.9 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 10,761.
Rank within US : This county is ranked 2280 of 3143

Crawford County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 48.7 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 7,934.
Rank within US : This county is ranked 2309 of 3143

Linn County

2023 Rural-Urban Continuum Codes Φ : Urban
Value (Percent) : The value is 48.7 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 112,006.
Rank within US : This county is ranked 2309 of 3143

Bremer County

2023 Rural-Urban Continuum Codes Φ : Urban
Value (Percent) : The value is 48.5 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 12,234.
Rank within US : This county is ranked 2339 of 3143

Dubuque County

2023 Rural-Urban Continuum Codes Φ : Urban
Value (Percent) : The value is 48.5 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 48,072.
Rank within US : This county is ranked 2339 of 3143

Warren County

2023 Rural-Urban Continuum Codes Φ : Urban
Value (Percent) : The value is 48.4 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 26,308.
Rank within US : This county is ranked 2359 of 3143

Marshall County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 48.2 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 19,315.
Rank within US : This county is ranked 2389 of 3143

Clarke County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 47.7 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 4,608.
Rank within US : This county is ranked 2458 of 3143

Davis County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 47.0 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 4,302.
Rank within US : This county is ranked 2552 of 3143

Lyon County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 47.0 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 5,712.
Rank within US : This county is ranked 2552 of 3143

Decatur County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 46.9 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 3,639.
Rank within US : This county is ranked 2568 of 3143

Woodbury County

2023 Rural-Urban Continuum Codes Φ : Urban
Value (Percent) : The value is 45.8 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 48,639.
Rank within US : This county is ranked 2688 of 3143

Black Hawk County

2023 Rural-Urban Continuum Codes Φ : Urban
Value (Percent) : The value is 44.8 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 58,759.
Rank within US : This county is ranked 2781 of 3143

Polk County

2023 Rural-Urban Continuum Codes Φ : Urban
Value (Percent) : The value is 44.2 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 222,644.
Rank within US : This county is ranked 2824 of 3143

Buena Vista County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 44.1 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 9,146.
Rank within US : This county is ranked 2832 of 3143

Sioux County

2023 Rural-Urban Continuum Codes Φ : Rural
Value (Percent) : The value is 43.9 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 15,913.
Rank within US : This county is ranked 2841 of 3143

Dallas County

2023 Rural-Urban Continuum Codes Φ : Urban
Value (Percent) : The value is 43.5 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 46,919.
Rank within US : This county is ranked 2881 of 3143

Johnson County

2023 Rural-Urban Continuum Codes Φ : Urban
Value (Percent) : The value is 38.6 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 60,534.
Rank within US : This county is ranked 3071 of 3143

Story County

2023 Rural-Urban Continuum Codes Φ : Urban
Value (Percent) : The value is 35.0 percent.
People (Age 40 And Over) : The number of people (age 40 and over) is 35,118.
Rank within US : This county is ranked 3115 of 3143

Notes:
Created by statecancerprofiles.cancer.gov on 03/30/2026 11:41 pm.

Φ Rural–urban county classifications are based on the 2023 USDA Rural–Urban Continuum Codes (except for Connecticut Counties which use 2013 codes). State-level cancer rates for rural areas are calculated using cancer cases registered exclusively in rural counties, while state-level cancer rates for urban areas are calculated using cases registered exclusively in urban counties.

Source: Demographic data provided by the Census Bureau and the American Community Survey.

For more information about Population: Age 40 and over, see the dictionary.

Data for United States does not include Puerto Rico.

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