City in Hardin County, Iowa · 0.6 sq mi · 664 people per sq mi
About 380 people live in Union. The typical household earns $55,625, and the median resident is 51.1 years old.
2026 projection
From 394 in 2020
Poverty rate 6.61%
Men 52.4 · Women 48
2010–2026
379
2026 projection
3.8% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
2010–2026
379
2026 projection
3.8% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 379 | -3 | 0.79% |
|---|---|---|---|
| 2025 | 382 | 0 | 0.00% |
| 2024 | 382 | -1 | 0.26% |
| 2023 | 383 | -6 | 1.54% |
| 2022 | 389 | -2 | 0.51% |
| 2021 | 391 | -3 | 0.76% |
| 2020 | 394 | +13 | 3.41% |
| 2019 | 381 | -2 | 0.52% |
| 2018 | 383 | -2 | 0.52% |
| 2017 | 385 | -5 | 1.28% |
Showing 10 of 17 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 4 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 15 residents
48% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 48% | 50% | 46% |
| Never married | 24% | 26% | 22% |
| Divorced | 21% | 17% | 25% |
| Widowed | 7% | 5% | 8% |
| Separated | <1% | 1% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau