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, Black or African American, Asian, Native Hawaiian or Pacific Islander, other race and multiracial populations.
White
Two or more races
Native American
Black or African American
Asian
Native Hawaiian or Pacific Islander
Other race
Race | Population | Percentage (of total) |
|---|---|---|
| White | 2,594 | 96.32% |
| Two or more races | 81 | 3.01% |
| Native American | 18 | 0.67% |
| Black or African American | 0 | 0% |
| Asian | 0 | 0% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
| Other race | 0 | 0% |
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