Des Moines-West Des Moines-Ames, IA Combined Statistical Area Demographics
Des Moines-West Des Moines-Ames, IA Combined Statistical Area is the 67th most populous of 184 combined statistical areas in the United States, with 856,908 residents across 5,881 square miles. That is about 146 people per square mile.
At the 2020 census
| Population | 856,908 |
|---|---|
| Land area | 5,881 sq mi |
| Density | 146 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Des Moines-West Des Moines-Ames, IA Combined Statistical Area compares to the US
We're computing this combined statistical area's comparison table — check back shortly. Population, land area, and density above are already exact.
Central Location: Des Moines-West Des Moines-Ames, IA Combined Statistical Area
Measured from the combined statistical area's main population center using 2020 census blocks.
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Counties in the Des Moines-West Des Moines-Ames, IA Combined Statistical Area area
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Polk County, IA | 492,401 | 572.4 | 860 |
| Dallas County, IA | 99,678 | 588.3 | 169 |
| County Story | 98,537 | 572.8 | 172 |
| County Warren | 52,403 | 569.8 | 92 |
| Jasper County, IA | 37,813 | 730.4 | 52 |
| Marion County | 33,414 | 554.5 | 60 |
| County Boone | 26,715 | 571.6 | 47 |
| County Mahaska | 22,190 | 570.9 | 39 |
| County Madison | 16,548 | 561.0 | 29 |
| Guthrie County | 10,623 | 590.6 | 18 |
Related places
Nearest combined statistical areas
- Cedar Rapids-Iowa City, IA Combined Statistical Area
- Spencer-Spirit Lake, IA Combined Statistical Area
- Burlington-Fort Madison, IA-IL Combined Statistical Area
- Omaha-Fremont, NE-IA Combined Statistical Area
- Rochester-Austin-Winona, MN Combined Statistical Area
- Mankato-New Ulm, MN Combined Statistical Area
About this page
This page shows demographics for a US combined statistical area from the 2020 census and the American Community Survey: population, land area, density, and how the region compares to national averages.
Combined areas are built from whole counties, listed below. Statistics aggregate the member counties' census tracts.