Mercer is located in Somerset County, Maine. Mercer has a 2025 population of 714. Mercer is currently declining at a rate of 0% annually and its population has increased by 0.56% since the most recent census, which recorded a population of 710 in 2020.
The average household income in Mercer is $82,320 with a poverty rate of 16.02%.The median age in Mercer is 41.1 years: 41.4 years for males, and 41 years for females.
Data after 2023 is projected based on recent change
The racial composition of Mercer includes 73.93% White, 7.56% other race, 6.17% Asian, and smaller percentages for and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 587 | 73.93% |
| Two or more races | 98 | 12.34% |
| Other race | 60 | 7.56% |
| Asian | 49 | 6.17% |
Married
Widowed
Divorced
Separated
Never Married
Mercer's average per capita income is $45,658. Household income levels show a median of $68,954. The poverty rate stands at 16.02%.
Name | Median | Mean |
|---|---|---|
| Married Families | $80,000 | - |
| Families | $69,362 | $81,807 |
| Households | $68,954 | $82,320 |
| Non Families | $40,833 | $64,896 |
Average Income
Median Household Income
Poverty Rate