City in Louisa County, Iowa · 0.1 sq mi · 388 people per sq mi
38 people live in Cotter. The median resident is 60.7 years old.
2026 projection
From 39 in 2020
Poverty rate 34.48%
Men 60.3 · Women 64.2
2010–2026
38
2026 projection
2.6% 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
38
2026 projection
2.6% 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 | 38 | -1 | 2.56% |
|---|---|---|---|
| 2025 | 39 | +1 | 2.63% |
| 2024 | 38 | 0 | 0.00% |
| 2023 | 38 | 0 | 0.00% |
| 2022 | 38 | -1 | 2.56% |
| 2021 | 39 | 0 | 0.00% |
| 2020 | 39 | 0 | 0.00% |
| 2019 | 39 | -1 | 2.50% |
| 2018 | 40 | -1 | 2.44% |
| 2017 | 41 | 0 | 0.00% |
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.
Cotter has a population change higher than Louisa 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 0.31 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
24% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 24% | 27% | 21% |
| Never married | 64% | 73% | 57% |
| Divorced | 0% | 0% | 0% |
| Widowed | 12% | 0% | 21% |
| Separated | 0% | 0% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
11 sources