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Interpretation of Demographics Data

Demographic Data Report for Iowa by County
Population: Age 65 and over
All Races (includes Hispanic), Both Sexes
2020-2024 American Community Survey 5-Year Data
Sorted by Percent

United States


Iowa


Polk County


Linn County


Scott County


Black Hawk County


Johnson County


Dubuque County


Pottawattamie County


Woodbury County


Dallas County


Story County


Cerro Gordo County


Clinton County


Warren County


Des Moines County


Muscatine County


Jasper County


Webster County


Lee County


Marshall County


Marion County


Wapello County


Sioux County


Boone County


Plymouth County


Benton County


Dickinson County


Bremer County


Winneshiek County


Washington County


Jones County


Fayette County


Carroll County


Jackson County


Clayton County


Mahaska County


Jefferson County


Henry County


Hardin County


Poweshiek County


Cedar County


Buchanan County


Delaware County


Clay County


Kossuth County


Page County


Tama County


Floyd County


Buena Vista County


Iowa County


Butler County


Allamakee County


Hamilton County


Cass County


Madison County


O'Brien County


Harrison County


Crawford County


Mills County


Cherokee County


Appanoose County


Wright County


Shelby County


Chickasaw County


Grundy County


Guthrie County


Hancock County


Union County


Montgomery County


Sac County


Winnebago County


Calhoun County


Lyon County


Mitchell County


Keokuk County


Emmet County


Franklin County


Louisa County


Greene County


Monona County


Humboldt County


Palo Alto County


Howard County


Clarke County


Lucas County


Van Buren County


Adair County


Worth County


Pocahontas County


Davis County


Decatur County


Fremont County


Monroe County


Ida County


Wayne County


Audubon County


Osceola County


Taylor County


Ringgold County


Adams County





Notes:
Created by statecancerprofiles.cancer.gov on 03/30/2026 1:44 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 65 and over, see the dictionary.

Data for United States does not include Puerto Rico.