Kennebec County, Maine Demographics 2026
Kennebec County, Maine has a population of 126,808, the 4th most populous county in Maine. The median household income is $69,077 and the median home value is $238,200. The poverty rate is 11.6%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Kennebec County Quick Facts
How Kennebec County Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 125,614 | 126,808 | +1.0% |
| Median household income | $65,062 | $69,077 | +6.2% |
| Median home value | $219,900 | $238,200 | +8.3% |
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 19 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Kennebec County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Augusta | 19,077 | $47,979 | 18.2% | $201,000 |
| Waterville | 17,077 | $53,580 | 20.6% | $184,600 |
| Gardiner | 6,088 | $71,782 | 10.4% | $221,600 |
| Winslow | 5,873 | $59,547 | 11.3% | $217,900 |
| Winthrop | 3,108 | $61,058 | 21.3% | $244,900 |
| Oakland | 2,710 | $44,848 | 13.7% | $167,000 |
| Hallowell | 2,592 | $68,398 | 7.8% | $295,300 |
| Farmingdale | 2,064 | $62,006 | 16.8% | $239,200 |
| Randolph | 1,610 | $66,574 | 15.7% | $174,300 |
| Clinton | 1,381 | $70,625 | 1.4% | $163,800 |
Explore Maine Rankings
Population Overview
Kennebec County is located in Maine with a total population of 126,808. It is the 4th most populous county out of 16 in Maine. The county encompasses 10 Census-designated places.
Age Demographics
The median age in Kennebec County is 43.7 years. This is 2% lower than the state median of 44.8 years.
Economy, Income & Housing
The median household income in Kennebec County is $69,077. This is 8% lower than the state median of $74,733. It is also 14% lower than the national median of $80,734. The poverty rate stands at 11.6%. This is 8% higher than the state poverty rate of 10.8%. The unemployment rate is 3.9%. This is 4% higher than the state rate of 3.8%. The median home value is $238,200. Housing costs are 20% lower than the state median of $296,600. The home-value-to-income ratio is 3.4x. 73.7% of occupied housing units are owner-occupied.
Race & Ethnicity
Kennebec County has a predominantly White (non-Hispanic) population, comprising 91.8% of all residents. Hispanic or Latino residents account for 2.3%. The Black or African American population (0.9%) is well below the state average of 1.8%.
Education
31.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 12% lower than the state rate of 36.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 94.8%.
Data Sources & Methodology
All figures for Kennebec County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Maine and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.
Frequently Asked Questions
What is the population of Kennebec County, Maine?
Kennebec County has a population of 126,808, making it the 4th most populous county in Maine.
What is the median income in Kennebec County?
The median household income in Kennebec County is $69,077 with a poverty rate of 11.6%.
How many cities are in Kennebec County, Maine?
Kennebec County contains 10 Census-designated places.