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, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
White
Two or more races
Other race
Black or African American
Native American
Asian
Native Hawaiian or Pacific Islander
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% |
| Native American | 0 | 0% |
| Asian | 0 | 0% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
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