County · Maine
Kennebec County, Maine
Kennebec County, Maine. Kennebec County had 129,067 residents in 2025 by the Census Bureau's estimate, up 3.7% since 2020, in line with Maine (+3.8%). It holds 34 places (4 cities, villages and boroughs, 24 towns and townships and 6 census-designated) and 36 census tracts. GEOID 23011.
Kennebec County is the county of the Augusta-Waterville, ME micropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
129,067
Census Bureau estimate (no margin published)
2020 Census count: 123,642 · ACS 2020-2024: 126,808
Median household income
$69,077
±$2,603 (90% margin)
Maine: $74,733
Median home value
$238,200
±$5,239 (90% margin)
Maine: $296,600
Median gross rent
$992
±$43 (90% margin)
Maine: $1,139
How many people live in Kennebec County, and is it growing?
The 2020 Census counted 123,642 residents in Kennebec County. The Census Bureau estimates 129,067 for July 1, 2025, up 3.7% since 2020, in line with Maine (+3.8%). The 2020-2024 American Community Survey puts the population at 126,808 over 867 square miles of land.
| Measure | Kennebec County | Maine | Change since 2015-2019 |
|---|---|---|---|
| Total population | 126,808 | 1,387,817 | +5,055 |
| Households | 54,312±666 | 597,159 | +2,207 |
| Average household size | 2.25±0.03 | 2.26 | no clear change |
| Housing units | 63,521±59 | 751,876 | +767 |
Kennebec County's population since 2000
From 117,114 in 2000 to 129,067 in 2025: up 10.2%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Kennebec County?
Kennebec County holds 34 places: 4 cities, villages and boroughs (incorporated places), 24 towns and townships (county subdivisions with their own government) and 6 census-designated places. The largest is Augusta with 19,155 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Augusta | 18,899 | $47,979 |
|---|---|---|
| Waterville | 15,828 | $53,580 |
| Winslow | 7,948 | $70,917 |
| Oakland | 6,230 | $77,813 |
| Winthrop | 6,121 | $86,470 |
| Gardiner | 5,961 | $71,782 |
| Winslow CDP | 5,318 | $59,547 |
| Sidney | 4,645 | $83,488 |
| Vassalboro | 4,520 | $72,300 |
| China | 4,408 | $96,309 |
| Monmouth | 4,066 | $74,648 |
| West Gardiner | 3,671 | $96,172 |
| Litchfield | 3,586 | $84,904 |
| Clinton | 3,370 | $71,458 |
| Belgrade | 3,250 | $88,338 |
| Farmingdale | 2,995 | $71,635 |
| Pittston | 2,875 | $86,614 |
| Chelsea | 2,778 | $85,471 |
| Benton | 2,715 | $61,437 |
| Winthrop CDP | 2,666 | $61,058 |
| Windsor | 2,632 | $63,178 |
| Readfield | 2,597 | $86,504 |
| Hallowell | 2,570 | $68,398 |
| Oakland CDP | 2,536 | $44,848 |
| Manchester | 2,456 | $92,031 |
| Albion | 2,006 | $62,361 |
| Farmingdale CDP | 2,000 | $62,006 |
| Randolph | 1,743 | $66,574 |
| Mount Vernon | 1,721 | $74,395 |
| Clinton CDPGEOID 2313435 | 1,386 | $70,625 |
| Fayette | 1,160 | $59,500 |
| Rome | 1,148 | $77,639 |
| Wayne | 1,129 | $93,194 |
| Vienna | 578 | $75,481 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Kennebec County?
The median resident of Kennebec County is 43.7 years old; 18.7% are under 18 and 21.1% are 65 or older. The largest group is non-Hispanic white residents at 91.8%, then non-Hispanic residents of two or more races at 3.7%. 2.4% of residents were born outside the United States.
| Measure | Kennebec County | Maine | Change since 2015-2019 |
|---|---|---|---|
| Median age | 43.7±0.3 | 44.8 | −0.7 |
| Under 18 years | 18.7% | 18.1% | – |
| 65 years and over | 21.1%±0.1 pts | 22.4% | – |
| Hispanic or Latino (any race) | 2.3% | 2.2% | +0.7 pts |
| White alone, not Hispanic | 91.8%±0.4 pts | 89.9% | −2.8 pts |
| Black or African American alone, not Hispanic | 0.9%±0.1 pts | 1.8% | no clear change |
| Asian alone, not Hispanic | 0.9%±0.1 pts | 1.1% | no clear change |
| American Indian and Alaska Native alone, not Hispanic | 0.2%±0.1 pts | 0.3% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.1 pts | 0.0% | – |
| Two or more races, not Hispanic | 3.7%±0.4 pts | 4.2% | – |
| Some other race alone, not Hispanic | 0.4%±0.2 pts | 0.4% | – |
| Born outside the United States | 2.4%±0.3 pts | 4.1% | no clear change |
| Speak a language other than English at home (age 5+) | 4.8%±0.5 pts | 6.0% | – |
| Civilian veterans (age 18+) | 9.5%±0.7 pts | 8.4% | – |
| With a disability | 16.9%±0.8 pts | 15.8% | – |
| No health insurance coverage | 5.8%±0.8 pts | 6.2% | −1.6 pts |
| High school graduate or higher (age 25+) | 94.8%±0.6 pts | 94.8% | – |
| Bachelor's degree or higher (age 25+) | 31.9%±1.3 pts | 36.2% | +3.8 pts |
| Graduate or professional degree (age 25+) | 12.2%±0.9 pts | 13.7% | – |
| Moved from another state in the past year | 1.9%±0.4 pts | 2.7% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Kennebec County earn?
Half of Kennebec County's 54,312 households earn less than $69,077 a year (±$2,603), against $74,733 in Maine. In 2015-2019 it was $68,137 in 2024 dollars; the margins of error cannot tell the two periods apart. 11.6% of residents live below the poverty line.
| Measure | Kennebec County | Maine | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $69,077±$2,603 | $74,733 | no clear change |
| Mean household income | $88,742±$2,719 | $100,102 | – |
| Per capita income | $38,597±$1,065 | $43,742 | no clear change |
| People below the poverty line | 11.6%±1.2 pts | 10.7% | no clear change |
| Children under 18 below the poverty line | 15.1%±3.2 pts | 13.1% | no clear change |
| Households receiving SNAP | 13.6%±1.1 pts | 12.0% | – |
| Households with a broadband subscription | 91.1%±1.1 pts | 90.3% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Kennebec County?
Owners occupy 73.7% of Kennebec County's occupied homes and renters 26.3%. The median owner-occupied home is valued at $238,200 by its owner (±$5,239). The median renter pays $992 a month including utilities, and 38.5% of renters pay 35% or more of their income on rent.
| Measure | Kennebec County | Maine | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $238,200±$5,239 | $296,600 | +$42,027 |
| Median gross rent | $992±$43 | $1,139 | +$55 |
| Renters paying 35% or more of income on rent | 38.5%±4.1 pts | 37.9% | no clear change |
| Median monthly owner costs, with a mortgage | $1,499±$40 | $1,729 | – |
| Owner-occupied homes | 73.7%±1.6 pts | 74.3% | +3.2 pts |
| Housing units | 63,521±59 | 751,876 | +767 |
| Homeowner vacancy rate | 0.9%±0.5 pts | 0.7% | – |
| Rental vacancy rate | 1.8%±1.0 pts | 4.2% | – |
| Single-family detached homes | 67.7%±1.4 pts | 70.0% | – |
| Mobile homes | 9.9%±1.0 pts | 8.2% | – |
| Built 2020 or later | 1.0%±0.3 pts | 1.4% | – |
| Built 1939 or earlier | 22.5%±1.4 pts | 22.9% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Kennebec County building?
Builders took permits for 510 new housing units across Kennebec County in 2025 (398 single-family), 4.0 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Kennebec County get to work?
73.7% of Kennebec County's workers drive alone and 15.3% work from home. The average trip to work takes 25.4 minutes. The unemployment rate in 2020-2024 averaged 3.9%.
| Measure | Kennebec County | Maine | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 60.1%±1.1 pts | 61.7% | – |
| Unemployment rate | 3.9%±0.7 pts | 3.8% | no clear change |
| Drove alone to work | 73.7%±1.7 pts | 70.8% | – |
| Carpooled | 6.8%±0.9 pts | 7.9% | – |
| Public transportation | 0.2%±0.1 pts | 0.5% | – |
| Walked | 2.4%±0.6 pts | 3.4% | – |
| Worked from home | 15.3%±1.5 pts | 15.9% | +10.2 pts |
| Mean travel time to work | 25.4 min±0.9 | 24.6 min | +1.8 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Kennebec County's census tracts?
Kennebec County is divided into 36 census tracts. Among those with a reliable estimate, median household income runs from $38,389 (Tract 241.02) to $96,309 (Tract 200).
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Kennebec County compare with Maine's other counties?
| Measure | Rank |
|---|---|
| Population | 4th of 16 |
| Growth 2020-2025 | 8th of 16 |
| Residents per square mile | 5th of 16 |
| Median household income | 8th of 16 |
| Median home value | 9th of 16 |
| Median gross rent | 10th of 16 |
| Poverty rate | 10th of 16 |
| Bachelor's degree or higher | 9th of 16 |
| Median age | 13th of 16 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Kennebec County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.