Union is a city located in Hardin County, Iowa. Union has a 2025 population of 374 . Union is currently declining at a rate of -1.06% annually and its population has decreased by -4.35% since the most recent census, which recorded a population of 391 in 2020.
The average household income in Union is $72,296 with a poverty rate of 15.09%. The median age in Union is 49.9 years: 52.9 years for males, and 47.8 years for females. For every 100 females there are 88.0 males.
Data after 2023 is projected based on recent change
The racial composition of Union includes 97.7% White, and smaller percentages for Two or more races, Asian and multiracial populations.
White (97.7%)
Two or more races (2.05%)
Asian (0.26%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 382 | 97.7% |
| Two or more races | 8 | 2.05% |
| Asian | 1 | 0.26% |
Married
Widowed
Divorced
Separated
Never Married
Union's average per capita income is $39,777. Household income levels show a median of $60,000. The poverty rate stands at 15.09%.
Name | Median | Mean |
|---|---|---|
| Married Families | $82,262 | - |
| Families | $80,714 | $92,471 |
| Households | $60,000 | $72,296 |
| Non Families | $39,286 | $46,022 |
Average Income
Median Household Income
Poverty Rate