City in Bremer County, Iowa · 2.5 sq mi · 823 people per sq mi
2,022 people live in Sumner. The typical household earns $58,854, and the median resident is 47.5 years old.
2026 projection
From 2,030 in 2020
Poverty rate 13.57%
Men 47.6 · Women 46.8
2010–2026
2,022
2026 projection
0.4% 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.
2010–2026
2,022
2026 projection
0.4% 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 | 2,022 | 0 | 0.00% |
|---|---|---|---|
| 2025 | 2,022 | -9 | 0.44% |
| 2024 | 2,031 | -1 | 0.05% |
| 2023 | 2,032 | -3 | 0.15% |
| 2022 | 2,035 | +2 | 0.10% |
| 2021 | 2,033 | +3 | 0.15% |
| 2020 | 2,030 | +5 | 0.25% |
| 2019 | 2,025 | +4 | 0.20% |
| 2018 | 2,021 | -1 | 0.05% |
| 2017 | 2,022 | -11 | 0.54% |
Showing 10 of 17 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.
Sumner has a population change lower than Bremer 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 21 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
51% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 51% | 56% | 47% |
| Never married | 24% | 20% | 26% |
| Divorced | 17% | 21% | 14% |
| Widowed | 8% | 2% | 12% |
| Separated | <1% | 0% | 2% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources