Union is located in Knox County, Maine. Union has a 2025 population of 2,453. Union is currently growing at a rate of 0.29% annually and its population has increased by 2.94% since the most recent census, which recorded a population of 2,383 in 2020.
The average household income in Union is $91,623 with a poverty rate of 12.02%.The median age in Union is 39.2 years: 41.2 years for males, and 36.9 years for females.
Data after 2023 is projected based on recent change
The racial composition of Union includes 96.32% White, and smaller percentages for Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 2,594 | 96.32% |
| Two or more races | 81 | 3.01% |
| Native American | 18 | 0.67% |
Married
Widowed
Divorced
Separated
Never Married
Union's average per capita income is $41,705. Household income levels show a median of $80,865. The poverty rate stands at 12.02%.
Name | Median | Mean |
|---|---|---|
| Married Families | $91,250 | - |
| Families | $84,286 | $95,862 |
| Households | $80,865 | $91,623 |
| Non Families | $58,958 | $82,910 |
Average Income
Median Household Income
Poverty Rate