
Des Moines County
- State:
- Iowa
- County Seat:
- Burlington
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.