Checked
Union, IA
City in Hardin County, Iowa.
Population
378
Land area
0.6sq mi
People per sq mi
662
ZIP codes
0
Union and its ZIP codes
Union at a glance
- Union is about 12 times as dense as Iowa as a whole.
Local data for Union, IA
Counts from official public data
Economy and federal money
Jobs, pay, income and spending are for Hardin County. PPP loans are for Union.
Unemployment rate
3.6%
Aug 2026, +0.6 pts in a year
Average annual pay
$56,405
6,553 jobs, 2025
Income per person
$67,117
BEA, 2024
Federal spending
$118M
FY 2026, $6,975 per person
Environment and hazard risk
Union, IA, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: hail
Storm events since 1996
631
Countywide, mostly thunderstorm wind
Flood insurance policies
29
0.4% of homes, county
July high / Jan low
84° / 8°F
37.8 inches of rain a year
Health statistics
Share of adults in Union, IA, CDC PLACES estimates
Obesity
37.9%
U.S. 33.3% +4.6 pts
Diabetes
13.0%
U.S. 12.1% +0.9 pts
Smoking
15.0%
U.S. 12.8% +2.2 pts
Uninsured (18-64)
6.1%
U.S. 11.1% -5.0 pts
Cities near Union
| Name | Distance | Land area (sq mi) |
|---|---|---|
| WhittenCity | 3.1 mi | 0.5 |
| LiscombCity | 4.6 mi | 1 |
| New ProvidenceCity | 6.2 mi | 1 |
| EldoraCity | 8.1 mi | 4.3 |
| ConradCity | 9.7 mi | 1.2 |
| AlbionCity | 9.8 mi | 0.6 |
| ClemonsCity | 10 mi | 0.2 |
| St. AnthonyCity | 11 mi | 0.6 |
| Steamboat RockCity | 11 mi | 0.5 |
| BeamanCity | 12 mi | 0.2 |
| HubbardCity | 13 mi | 1.8 |
| ZearingCity | 13 mi | 0.7 |
| OwasaCity | 15 mi | 0.6 |
| WellsburgCity | 15 mi | 1.1 |
| Green MountainCensus-designated place | 16 mi | 0.7 |
| MarshalltownCity | 16 mi | 19.2 |
Frequently asked questions
- What county is Union, IA in?
- Union is in Hardin County, Iowa.
- What is the population of Union, IA?
- About 378 people live in Union, based on American Community Survey 5-year estimates.
- What cities are near Union?
- Nearby places include Whitten (3.1 mi), Liscomb (4.6 mi), New Providence (6.2 mi), Eldora (8.1 mi), Conrad (9.7 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023