City in Hardin County, Iowa · 5.7 sq mi · 881 people per sq mi
4,989 people live in Iowa Falls. The typical household earns $50,417, and the median resident is 39.4 years old.
2026 projection
From 5,106 in 2020
Poverty rate 10.71%
Men 38.1 · Women 45.5
1880–2026
4,989
2026 projection
2.3% since 2020 (decrease)
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.
1880–2026
4,989
2026 projection
2.3% since 2020 (decrease)
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 | 4,989 | -24 | 0.48% |
|---|---|---|---|
| 2025 | 5,013 | +17 | 0.34% |
| 2024 | 4,996 | -31 | 0.62% |
| 2023 | 5,027 | -43 | 0.85% |
| 2022 | 5,070 | +15 | 0.30% |
| 2021 | 5,055 | -51 | 1.00% |
| 2020 | 5,106 | -35 | 0.68% |
| 2019 | 5,141 | -70 | 1.34% |
| 2018 | 5,211 | -42 | 0.80% |
| 2017 | 5,253 | +14 | 0.27% |
Showing 10 of 30 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.
Iowa Falls has a population change higher than Hardin County, and lower than 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 50 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 9 residents
44% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 44% | 45% | 42% |
| Never married | 31% | 34% | 28% |
| Divorced | 16% | 16% | 16% |
| Widowed | 9% | 4% | 14% |
| Separated | <1% | 1% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources