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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
2019-2023 American Community Survey 5-Year Data
Sorted by Value

Iowa


United States


Story County


Johnson County


Dallas County


Sioux County


Buena Vista County


Polk County


Black Hawk County


Woodbury County


Davis County


Decatur County


Lyon County


Bremer County


Warren County


Clarke County


Dubuque County


Linn County


Marshall County


Crawford County


Muscatine County


Scott County


Howard County


Mahaska County


O'Brien County


Marion County


Webster County


Wright County


Buchanan County


Wapello County


Pottawattamie County


Washington County


Henry County


Union County


Plymouth County


Poweshiek County


Madison County


Tama County


Jasper County


Monroe County


Winnebago County


Grundy County


Harrison County


Clay County


Wayne County


Humboldt County


Ida County


Mitchell County


Boone County


Palo Alto County


Carroll County


Franklin County


Adair County


Calhoun County


Des Moines County


Clinton County


Hamilton County


Iowa County


Louisa County


Winneshiek County


Benton County


Keokuk County


Mills County


Fayette County


Allamakee County


Emmet County


Cedar County


Osceola County


Taylor County


Pocahontas County


Ringgold County


Delaware County


Chickasaw County


Jefferson County


Lucas County


Appanoose County


Floyd County


Kossuth County


Montgomery County


Butler County


Cerro Gordo County


Cass County


Jackson County


Lee County


Monona County


Shelby County


Jones County


Sac County


Greene County


Page County


Worth County


Hancock County


Hardin County


Van Buren County


Adams County


Clayton County


Audubon County


Cherokee County


Fremont County


Guthrie County


Dickinson County




Notes:
Created by statecancerprofiles.cancer.gov on 07/05/2025 6:58 pm.

Φ Rural-Urban Continuum Codes provided by the USDA.

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.