City in Clinton County, Iowa · 6.2 sq mi · 921 people per sq mi
5,728 people live in DeWitt. The typical household earns $92,587, and the median resident is 38.6 years old.
2026 projection
From 5,514 in 2020
Poverty rate 2.83%
Men 40.4 · Women 36.5
1870–2026
5,728
2026 projection
3.9% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
1870–2026
5,728
2026 projection
3.9% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 5,728 | +24 | 0.42% |
|---|---|---|---|
| 2025 | 5,704 | +89 | 1.59% |
| 2024 | 5,615 | +40 | 0.72% |
| 2023 | 5,575 | +58 | 1.05% |
| 2022 | 5,517 | -16 | 0.29% |
| 2021 | 5,533 | +19 | 0.34% |
| 2020 | 5,514 | +31 | 0.57% |
| 2019 | 5,483 | +48 | 0.88% |
| 2018 | 5,435 | +26 | 0.48% |
| 2017 | 5,409 | +9 | 0.17% |
Showing 10 of 31 years.
The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.
DeWitt is growing faster than Clinton County, Iowa, and the U.S.
Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.
Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 55 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 35 residents
57% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 57% | 59% | 54% |
| Never married | 24% | 25% | 24% |
| Divorced | 12% | 11% | 13% |
| Widowed | 6% | 2% | 9% |
| Separated | 1% | 2% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources