Union is located in Hardin County, Iowa. Union has a 2025 population of 432. 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 $110,014 with a poverty rate of 0%. The median age in Union is 36.5 years: 36.4 years for males, and 40.2 years for females.
Data after 2023 is projected based on recent change
The racial composition of Union includes 100% White, and smaller percentages for and multiracial populations.
White (100.0%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 432 | 100% |
Married
Widowed
Divorced
Separated
Never Married
Union's average per capita income is $33,870. Household income levels show a median of $73,698. The poverty rate stands at 0%.
Name | Median | Mean |
|---|---|---|
| Households | $73,698 | $110,014 |
| Families | $73,333 | $124,495 |
| Married Families | $73,333 | - |
| Non Families | - | $78,214 |
Average Income
Median Household Income
Poverty Rate