Union is located in Hardin County, Iowa. Union has a 2025 population of 929 . 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 $86,271 with a poverty rate of 12.7%. The median age in Union is 48 years: 55.5 years for males, and 46.5 years for females. For every 100 females there are 73.3 males.
Data after 2023 is projected based on recent change
The racial composition of Union includes 97.52% White, and smaller percentages for Two or more races, Asian and multiracial populations.
White (97.52%)
Two or more races (1.4%)
Asian (1.08%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 906 | 97.52% |
| Two or more races | 13 | 1.4% |
| Asian | 10 | 1.08% |
Married
Widowed
Divorced
Separated
Never Married
Union's average per capita income is $42,070. Household income levels show a median of $80,238. The poverty rate stands at 12.7%.
Name | Median | Mean |
|---|---|---|
| Married Families | $88,125 | - |
| Families | $83,657 | $101,505 |
| Households | $80,238 | $86,271 |
| Non Families | $36,750 | $42,469 |
Average Income
Median Household Income
Poverty Rate