Union is located in Hardin County, Iowa. Union has a 2025 population of 441 . Union is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The average household income in Union is $124,048 with a poverty rate of 0%. The median age in Union is 40.9 years: 40.3 years for males, and 50.4 years for females. For every 100 females there are 103.2 males.
Data after 2023 is projected based on recent change
The racial composition of Union includes 94.56% White, and smaller percentages for and multiracial populations.
White (94.56%)
Two or more races (5.44%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 417 | 94.56% |
| Two or more races | 24 | 5.44% |
Married
Widowed
Divorced
Separated
Never Married
Union's average per capita income is $65,750. Household income levels show a median of $117,222. The poverty rate stands at 0%.
Name | Median | Mean |
|---|---|---|
| Families | $138,704 | $143,724 |
| Married Families | $138,704 | - |
| Households | $117,222 | $124,048 |
| Non Families | $53,000 | $51,245 |
Average Income
Median Household Income
Poverty Rate