City in Louisa County, Iowa · 0.2 sq mi · 1,547 people per sq mi
372 people live in Columbus City. The typical household earns $89,875, and the median resident is 46.8 years old.
2026 projection
From 392 in 2020
Poverty rate 5.88%
Men 46.5 · Women 47.1
2010–2026
372
2026 projection
5.1% 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
372
2026 projection
5.1% 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 | 372 | -2 | 0.53% |
|---|---|---|---|
| 2025 | 374 | -5 | 1.32% |
| 2024 | 379 | 0 | 0.00% |
| 2023 | 379 | -4 | 1.04% |
| 2022 | 383 | -1 | 0.26% |
| 2021 | 384 | -8 | 2.04% |
| 2020 | 392 | +2 | 0.51% |
| 2019 | 390 | -1 | 0.26% |
| 2018 | 391 | 0 | 0.00% |
| 2017 | 391 | -2 | 0.51% |
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.
Columbus City 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 3 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 17 residents
58% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 58% | 62% | 53% |
| Never married | 22% | 25% | 19% |
| Divorced | 13% | 9% | 19% |
| Widowed | 6% | 5% | 9% |
| Separated | 0% | 0% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources