Iowa Demographics, ZIP Codes and Area Codes
Iowa is the 31st most populated state in the United states, associated with 26 major cities, 99 counties, 5 NPA codes, 998 standard zip codes, 44 unique zip codes and accommodates 3,188,836 local residents.
Iowa Demographics Summary
| Population | 3,188,836 residents |
| Male Population | 1,598,555 males |
| Female Population | 1,590,281 females |
| Male to Female Ratio | 1005 females per 1,000 males |
| Land Area | 55,857 square miles |
| White Population | 2,769,619 |
| Hispanic or Latino Population | 208,637 |
| Black Population | 120,619 |
| Asian Population | 78,940 |
| Total US Natives or Citizens | 3,188,836 |
| Total Non US Citizens | 99,983 |
| Avg. household income | $92,053 |
| Percapita Income | $37,949 |
| Total Housing units | 3,188,836 |
| Vacant Housing units | 126,925 |
| Total US Natives or Citizens | 331,097,593 |
| Total Non-US Citizens | 21,614,904 |
26 Most Populous Cities in Iowa
The 31st most populous state Iowa is a place for 26 most populous cities (having the population of more than 20000 residents) in the United States.
| City | ZIP Code | Population |
|---|---|---|
| Des Moines, IA | 24 | 213,164 |
| Cedar Rapids, IA | 17 | 136,929 |
| Davenport, IA | 9 | 101,448 |
| Sioux City, IA | 9 | 85,469 |
| Iowa City, IA | 4 | 74,878 |
| West Des Moines, IA | 1 | 68,744 |
| Ankeny, IA | 2 | 68,392 |
| Waterloo, IA | 5 | 67,256 |
| Ames, IA | 5 | 66,265 |
| Council Bluffs, IA | 3 | 62,670 |
| Dubuque, IA | 7 | 59,315 |
| Urbandale, IA | 2 | 45,591 |
| Marion, IA | 1 | 41,401 |
| Cedar Falls, IA | 2 | 40,686 |
| Bettendorf, IA | 1 | 38,997 |
| Marshall city, IA | 2 | 27,511 |
| Mason City, IA | 3 | 27,271 |
| Ottumwa, IA | 3 | 25,359 |
| Waukee, IA | 2 | 25,045 |
| Fort Dodge, IA | 4 | 24,850 |
| Clinton, IA | 9 | 24,524 |
| Burlington, IA | 1 | 23,976 |
| Johnston, IA | 1 | 23,856 |
| Muscatine, IA | 2 | 23,671 |
| Coralville, IA | 2 | 22,494 |
| North Liberty, IA | 1 | 20,393 |
5 Area Codes Used in Iowa
The 31st most populous state Iowa is associated with 5 area (NPA) codes in the United States for dialing/telecommunication purposes.
99 Counties of Iowa
The 31st most populous state Iowa consists of 99 counties in the United States.
- Adair County, IA
- Adams County, IA
- Allamakee County, IA
- Appanoose County, IA
- Audubon County, IA
- Benton County, IA
- Black Hawk County, IA
- Boone County, IA
- Bremer County, IA
- Buchanan County, IA
- Buena Vista County, IA
- Butler County, IA
- Calhoun County, IA
- Carroll County, IA
- Cass County, IA
- Cedar County, IA
- Cerro Gordo County, IA
- Cherokee County, IA
- Chickasaw County, IA
- Clarke County, IA
- Clay County, IA
- Clayton County, IA
- Clinton County, IA
- Crawford County, IA
- Dallas County, IA
- Davis County, IA
- Decatur County, IA
- Delaware County, IA
- Des Moines County, IA
- Dickinson County, IA
- Dubuque County, IA
- Emmet County, IA
- Fayette County, IA
- Floyd County, IA
- Franklin County, IA
- Fremont County, IA
- Greene County, IA
- Grundy County, IA
- Guthrie County, IA
- Hamilton County, IA
- Hancock County, IA
- Hardin County, IA
- Harrison County, IA
- Henry County, IA
- Howard County, IA
- Humboldt County, IA
- Ida County, IA
- Iowa County, IA
- Jackson County, IA
- Jasper County, IA
- Jefferson County, IA
- Johnson County, IA
- Jones County, IA
- Keokuk County, IA
- Kossuth County, IA
- Lee County, IA
- Linn County, IA
- Louisa County, IA
- Lucas County, IA
- Lyon County, IA
- Madison County, IA
- Mahaska County, IA
- Marion County, IA
- Marshall County, IA
- Mills County, IA
- Mitchell County, IA
- Monona County, IA
- Monroe County, IA
- Montgomery County, IA
- Muscatine County, IA
- O'Brien County, IA
- Osceola County, IA
- Page County, IA
- Palo Alto County, IA
- Plymouth County, IA
- Pocahontas County, IA
- Polk County, IA
- Pottawattamie County, IA
- Poweshiek County, IA
- Ringgold County, IA
- Sac County, IA
- Scott County, IA
- Shelby County, IA
- Sioux County, IA
- Story County, IA
- Tama County, IA
- Taylor County, IA
- Union County, IA
- Van Buren County, IA
- Wapello County, IA
- Warren County, IA
- Washington County, IA
- Wayne County, IA
- Webster County, IA
- Winnebago County, IA
- Winneshiek County, IA
- Woodbury County, IA
- Worth County, IA
- Wright County, IA
Adjacent States to Iowa in USA