Princeton is located in Washington County, Maine. Princeton has a 2025 population of 750 . Princeton is currently declining at a rate of -0.27% annually but its population has increased by 0.27% since the most recent census, which recorded a population of 748 in 2020.
The average household income in Princeton is $71,145 with a poverty rate of 18.06%. The median age in Princeton is 40.4 years: 39.7 years for males, and 40.8 years for females. For every 100 females there are 108.4 males.
Data after 2023 is projected based on recent change
The racial composition of Princeton includes 85.27% White, 6.52% Native American, and smaller percentages for and multiracial populations.
White (85.27%)
Two or more races (8.21%)
Native American (6.52%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 654 | 85.27% |
| Two or more races | 63 | 8.21% |
| Native American | 50 | 6.52% |
Married
Widowed
Divorced
Separated
Never Married
Princeton's average per capita income is $50,833. Household income levels show a median of $52,935. The poverty rate stands at 18.06%.
Name | Median | Mean |
|---|---|---|
| Married Families | $91,875 | - |
| Families | $76,375 | $90,194 |
| Households | $52,935 | $71,145 |
| Non Families | $21,964 | $40,388 |
Average Income
Median Household Income
Poverty Rate