Union is located in Butler County, Kansas. Union has a 2025 population of 137. Union is currently declining at a rate of -2.14% annually and its population has decreased by -3.52% since the most recent census, which recorded a population of 142 in 2020.
The average household income in Union is $36,540 with a poverty rate of 45.83%. The median age in Union is 23.9 years: 34.6 years for males, and 23.8 years for females.
Data after 2023 is projected based on recent change
The racial composition of Union includes 96.73% White, and smaller percentages for Two or more races, Black or African American, Native American and multiracial populations.
White (96.7%)
Two or more races (1.6%)
Black or African American (1.2%)
Native American (0.4%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 237 | 96.73% |
| Two or more races | 4 | 1.63% |
| Black or African American | 3 | 1.22% |
| Native American | 1 | 0.41% |
Married
Widowed
Divorced
Separated
Never Married
Union's average per capita income is $49,583. Household income levels show a median of $0. The poverty rate stands at 45.83%.
Name | Median | Mean |
|---|---|---|
| Households | - | $36,540 |
| Families | - | $36,450 |
| Married Families | - | - |
| Non Families | - | $37,267 |
Average Income
Median Household Income
Poverty Rate