City in Linn County, Iowa · 4.8 sq mi · 1,567 people per sq mi
7,465 people live in Hiawatha. The typical household earns $66,270, and the median resident is 32.4 years old.
2026 projection
From 7,183 in 2020
Poverty rate 13.74%
Men 31.7 · Women 33.1
1960–2026
7,465
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.
1960–2026
7,465
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 | 7,465 | +33 | 0.44% |
|---|---|---|---|
| 2025 | 7,432 | +117 | 1.60% |
| 2024 | 7,315 | +122 | 1.70% |
| 2023 | 7,193 | +71 | 1.00% |
| 2022 | 7,122 | -22 | 0.31% |
| 2021 | 7,144 | -39 | 0.54% |
| 2020 | 7,183 | -12 | 0.17% |
| 2019 | 7,195 | +19 | 0.26% |
| 2018 | 7,176 | +18 | 0.25% |
| 2017 | 7,158 | +45 | 0.63% |
Showing 10 of 22 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.
Hiawatha is growing faster than Linn 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 72 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 7 residents
40% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 40% | 44% | 36% |
| Never married | 42% | 42% | 43% |
| Divorced | 13% | 13% | 14% |
| Widowed | 4% | <1% | 7% |
| Separated | <1% | 1% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources