Des Moines County, IA Demographics
Des Moines County, IA is the 16th most populous of 99 counties in Iowa, with 38,910 residents across 416 square miles. That is about 94 people per square mile.
At the 2020 census
| Population | 38,910 |
|---|---|
| Land area | 416 sq mi |
| Density | 94 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Des Moines County compares to the US
We're computing this county's comparison table — check back shortly. Population, land area, and density above are already exact.
Central Location: Des Moines County, IA
Measured from the county's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around Des Moines County, IA — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Census tracts in Des Moines County, IA
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Census Tract 10 | 4,657 | 150.8 | 31 |
| Census Tract 5 | 4,437 | 1.1 | 3,976 |
| Census Tract 4 | 3,728 | 0.9 | 4,378 |
| Census Tract 3 | 3,655 | 2.2 | 1,672 |
| Census Tract 11 | 3,582 | 163.4 | 22 |
| Census Tract 6 | 3,564 | 1.4 | 2,527 |
| Census Tract 8 | 3,456 | 5.4 | 638 |
| Census Tract 9 | 3,337 | 3.8 | 878 |
| Census Tract 7 | 3,018 | 6.9 | 439 |
| Census Tract 2 | 2,840 | 1.3 | 2,210 |
| Census Tract 12 | 2,636 | 79.0 | 33 |
Related places
Other counties nearby
Nearest counties
Metro areas containing Des Moines County
About this page
This page shows demographics for a US county from the 2020 census and the American Community Survey: population, land area, density, urban share, and how the county compares to national averages for income, housing, age, and more.
Counties subdivide into census tracts, listed below with their populations. The drive-time and radius tables measure the population around the county's main population center.