Kennebec County's estimated 2026 population is 129,462 with a growth rate of 0.31% in the past year according to the most recent United States census data. Kennebec County is the 4th largest county in Maine. The 2010 population was 122,074 and has seen a growth of 6.05% since that time.
Data after 2023 is projected based on recent change
Overall: 43.7 years
Female: 44.7 years
Male: 42.2 years
There are 103,069 adults, (26,806 of whom are seniors) in Kennebec County.
Female: 64,771 (51.1%)
Male: 62,037 (48.9%)
The racial composition of Kennebec County includes 92.41% White, and smaller percentages for Asian, Black or African American, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 117,182 | 92.41% |
| Two or more races | 6,261 | 4.94% |
| Asian | 1,129 | 0.89% |
| Black or African American | 1,083 | 0.85% |
| Other race | 875 | 0.69% |
| Native American | 277 | 0.22% |
| Native Hawaiian or Pacific Islander | 1 | 0% |
Kennebec County's average per capita income is $49,450. Household income levels show a median of $69,077. The poverty rate stands at 11.63%.
Name | Median | Mean |
|---|---|---|
| Married Families | $106,482 | $120,761 |
| Families | $89,070 | $106,335 |
| Households | $69,077 | $88,742 |
| Non Families | $40,647 | $55,141 |
Average Income
Median Household Income
Poverty Rate