Sumner is located in Oxford County, Maine. Sumner has a 2025 population of 1,016. Sumner is currently growing at a rate of 0.2% annually and its population has increased by 2.01% since the most recent census, which recorded a population of 996 in 2020.
The average household income in Sumner is $67,759 with a poverty rate of 5.12%.The median age in Sumner is 47.7 years: 51.3 years for males, and 47.3 years for females.
Data after 2023 is projected based on recent change
The racial composition of Sumner includes 95.38% White, and smaller percentages for other race, Black or African American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 950 | 95.38% |
| Two or more races | 36 | 3.61% |
| Other race | 6 | 0.6% |
| Black or African American | 4 | 0.4% |
Married
Widowed
Divorced
Separated
Never Married
Sumner's average per capita income is $31,500. Household income levels show a median of $51,250. The poverty rate stands at 5.12%.
Name | Median | Mean |
|---|---|---|
| Families | $55,208 | $69,939 |
| Married Families | $54,167 | - |
| Households | $51,250 | $67,759 |
| Non Families | $37,361 | $52,827 |
Average Income
Median Household Income
Poverty Rate