Des Moines County's estimated 2025 population is 38,275 with a growth rate of 0.03% in the past year according to the most recent United States census data. Des Moines County is the 16th largest county in Iowa. The 2010 population was 40,243 and has seen a growth of -4.89% since that time.
Data after 2023 is projected based on recent change
The racial composition of Des Moines County includes 86.31% White, 4.22% Black or African American, and smaller percentages for Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 33,312 | 86.31% |
| Two or more races | 2,852 | 7.39% |
| Black or African American | 1,628 | 4.22% |
| Asian | 439 | 1.14% |
| Other race | 258 | 0.67% |
| Native American | 107 | 0.28% |
| Native Hawaiian or Pacific Islander | 1 | 0% |
Married
Widowed
Divorced
Separated
Never Married
Des Moines County's average per capita income is $41,600. Household income levels show a median of $60,662. The poverty rate stands at 14.14%.
Name | Median | Mean |
|---|---|---|
| Married Families | $93,292 | - |
| Families | $78,653 | $102,602 |
| Households | $60,662 | $81,543 |
| Non Families | $36,563 | $47,595 |
Average Income
Median Household Income
Poverty Rate