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COUNTY

Kennebec County

Maine · 129,067 residents (2025 est.) · 867 sq mi
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The short version

Kennebec County is a county of 126,808 people in Maine. At a median age of 43.7, this is an older place than the country as a whole. 2% of people here were born outside the United States. Owners hold 74% of the housing stock. Home values have roughly tripled since 2000, reaching $238,200. Renters pay $992 a month at the median.

At a glance
Lower income
median household income $69,077, below the US median
US median: $82,259
Older
median age 43.7
US median: 38.9
Average education
32% hold a bachelor's degree
US average: 36%
Less affordable
home values up 55%, inflation adjusted
US median home: $376,019
Unique to this place

What stands out about Kennebec County

What changed most since 1990

  • White share98.4% → 91.8% (−6.6 pts)US over the same years: −17.8 pts
  • Median home value (2024 dollars)$190,805 → $238,200 (+25%)US over the same years: +67%
  • Median age34.2 → 43.7 (+9.5 years)US over the same years: +6.0 years

Among the 16 counties in Maine

  • 8th in household income$69,077
  • 9th in share with a bachelor's degree31.9%
  • 9th in home value$238,200
  • 6th in diversity score19.4
Section 01

Population & growth

Total population
126,808
+8%since 2000
from 117,114 in 2000
129,067 in 2025 (Census Bureau estimate)
1990 – 2025
Population density
146 / sq mi
+8%since 2000
from 135 / sq mi in 2000
US average: 281
Median age
43.7
+13%since 2000
from 38.7 in 2000
US average: 38.9
Land area
867 sq mi
Population, 1990 – 2024
115K118K121K125K128K19902000201020202024Kennebec County
2024127K
1990201020202024
Age distribution, 2024
Under 54.6%(5,851)
US avg: 5.6%
5 to 95.8%(7,295)
US avg: 6%
10 to 145%(6,394)
US avg: 6.4%
15 to 196.2%(7,839)
US avg: 6.6%
20 to 246.2%(7,903)
US avg: 6.5%
25 to 3411.7%(14,837)
US avg: 13.7%
35 to 4412.1%(15,332)
US avg: 13.2%
45 to 5412.1%(15,360)
US avg: 12.2%
55 to 6415.1%(19,191)
US avg: 12.7%
65 to 7412.8%(16,249)
US avg: 10.2%
75 to 846.2%(7,851)
US avg: 5.1%
85 and over2.1%(2,706)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$69,077
+4%inflation adjusted, since 2000
from $36,498 in 2000
US average: $82,259
1990 – 2024
Per capita income
$38,597
+108%since 2000
from $18,520 in 2000
US average: $44,673
Households earning $100K+
46.2%
+21.0 ptssince 2009
from 25.2% in 2009
US average: 53.3%
Poverty rate
11.6%
+0.5 ptssince 2000
from 11.1% in 2000
US average: 12.5%
Income inequality (Gini)
0.432
+2%since 2010
from 0.423 in 2010
US average: 0.476
Workforce by industry, 2024
Information12.8%
US avg: 10.8%
Wholesale trade7.9%
US avg: 6.9%
Retail trade6.8%
US avg: 9.9%
Other services5.3%
US avg: 6.7%
Finance & insurance4.2%
US avg: 5.9%
Public administration4.1%
US avg: 4.8%
Professional, scientific, technical2.8%
US avg: 5.1%
Transportation & warehousing2.2%
US avg: 2.2%
Agriculture, forestry, fishing1.7%
US avg: 1.6%
Arts, entertainment, food1.6%
US avg: 1.9%
Construction1.6%
US avg: 1.2%
Education & health services1.5%
US avg: 0.9%
Manufacturing0.2%
US avg: 0.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$238,200
+55%inflation adjusted, since 2000
from $84,200 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$992
+24%inflation adjusted, since 2000
from $439 in 2000
US average: $1,442
Owner-occupied
73.7%
+2.5 ptssince 2000
from 71.2% in 2000
26.3% rent
Vacancy rate
14.5%
−0.9 ptssince 2009
from 15.4% in 2009
US average: 10.0%
Persons per household
2.25 people
−3%since 2009
from 2.32 people in 2009
US average: 2.54
Owner cost-burdened
19.3%
−5.0 ptssince 2009
from 24.3% in 2009
US average: 22.9%
Renter cost-burdened
43.9%
−0.9 ptssince 2009
from 44.8% in 2009
US average: 47.4%
Afford Score
3.4
+12%since 2009
from 3.1 in 2009
1990 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Gentrification Score
51
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04

Race & ethnicity

2000
White, non-Hispanic97%(113,566)
Black0.3%(384)
Hispanic / Latino0.7%(852)
Asian0.6%(685)
Other0%
2024
White, non-Hispanic91.8%(116,399)
Black0.9%(1,080)
Hispanic / Latino2.3%(2,861)
Asian0.9%(1,129)
Other4.2%(5,339)
Diversity Score
19
+95%since 2009
from 10 in 2009
1990 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Segregation Score
24
−2%since 2020
from 25 in 2020
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Puerto Rican0.5%(676)
Mexican0.5%(608)
Spaniard0.2%(203)
Cuban0.1%(184)
Peruvian0.1%(139)
Dominican0.1%(100)
Salvadoran0.1%(91)
Colombian0.1%(66)
+ 6 more hispanic origin groups with data
Asian origin
Chinese0.3%(393)
Filipino0.1%(168)
Korean0.1%(164)
Vietnamese0.1%(140)
Asian Indian0.1%(136)
Taiwanese0%(63)
Pakistani0%(23)
Burmese0%(9)
Pacific Islander origin
Tongan0%(1)
Ancestry
English21.9%(27,775)
Irish15.5%(19,717)
French15.4%(19,521)
French Canadian7.6%(9,673)
German7.1%(9,008)
American5.7%(7,279)
Italian5%(6,301)
Scottish4.3%(5,450)
Polish2.1%(2,725)
Swedish1.5%(1,876)
Scotch-Irish1.4%(1,793)
Russian0.9%(1,173)
+ 41 more ancestry groups with data
Norwegian0.9%(1,164)
Canadian0.7%(914)
Dutch0.7%(897)
Arab0.7%(890)
Welsh0.6%(822)
Lebanese0.5%(599)
Portuguese0.4%(532)
British0.4%(487)
Lithuanian0.4%(478)
Danish0.3%(369)
Hungarian0.3%(363)
Czech0.3%(353)
Finnish0.3%(342)
Ukrainian0.2%(224)
Armenian0.2%(216)
Slovak0.1%(189)
West Indian0.1%(165)
Greek0.1%(155)
Turkish0.1%(148)
Brazilian0.1%(126)
Austrian0.1%(103)
Jamaican0.1%(66)
Belgian0%(59)
Iraqi0%(57)
Croatian0%(56)
Swiss0%(50)
Haitian0%(46)
Ghanaian0%(40)
Slovene0%(39)
Syrian0%(37)
Romanian0%(34)
Latvian0%(21)
Moroccan0%(18)
Serbian0%(16)
Ethiopian0%(15)
Barbadian0%(15)
Nigerian0%(10)
Section 05

Education

Bachelor's degree or higher
31.9%
+11.3 ptssince 2000
from 20.7% in 2000
US average: 35.6%
High school or higher
94.8%
+9.6 ptssince 2000
from 85.2% in 2000
US average: 89.6%
Graduate degree
12.2%
+4.6 ptssince 2000
from 7.6% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
25.4 min
+61%since 2000
from 15.8 min in 2000
US average: 26.5
Drive alone to work
73.7%
−7.2 ptssince 2009
from 80.8% in 2009
US average: 68.9%
Carpooled to work
6.8%
−2.8 ptssince 2009
from 9.6% in 2009
US average: 8.5%
Public transit
0.2%
+0.1 ptssince 2009
from 0.1% in 2009
US average: 3.2%
Worked from home
15.3%
+11.0 ptssince 2009
from 4.3% in 2009
US average: 15.0%
Walked to work
2.4%
−1.1 ptssince 2009
from 3.6% in 2009
US average: 2.4%
Biked to work
0.1%
Unchangedsince 2009
from 0.1% in 2009
US average: 0.4%
No vehicle available
7.5%
−0.8 ptssince 2009
from 8.3% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
3.9%
−3.9 ptssince 2011
from 7.8% in 2011
US average: 5.2%
Labor force participation
60.1%
−4.5 ptssince 2011
from 64.7% in 2011
US average: 63.5%
Women 20-64 in the labor force
74.3%
−1.2 ptssince 2020
from 75.5% in 2020
US average: 74.6%
Self-employed
17.3%
+0.5 ptssince 2009
from 16.8% in 2009
US average: 13.1%
Management & professional
42.5%
+7.7 ptssince 2009
from 34.8% in 2009
US average: 42.5%
Section 08

People & community

Male
48.9%
+0.4 ptssince 2009
from 48.5% in 2009
Female
51.1%
−0.4 ptssince 2009
from 51.5% in 2009
Foreign born
2.4%
+0.1 ptssince 2009
from 2.3% in 2009
US average: 14.1%
Veterans
9.5%
−5.1 ptssince 2009
from 14.6% in 2009
US average: 6.2%
With a disability
16.9%
−0.4 ptssince 2012
from 17.3% in 2012
US average: 13.3%
Uninsured
5.8%
−3.8 ptssince 2013
from 9.6% in 2013
US average: 8.4%
Broadband at home
91.1%
+14.1 ptssince 2017
from 77.0% in 2017
US average: 91.0%
Computer in household
95.0%
+4.5 ptssince 2020
from 90.5% in 2020
US average: 95.5%
Same house as last year
88.0%
+1.2 ptssince 2020
from 86.8% in 2020
US average: 87.7%
English only at home
95.2%
+0.6 ptssince 2016
from 94.5% in 2016
US average: 77.7%
Spanish at home
0.9%
Unchangedsince 2016
from 0.9% in 2016
US average: 13.6%
Marital status
Men 15+
Never married33.1%(17,240)
Married50.8%(26,437)
Widowed3%(1,585)
Divorced13.1%(6,795)
Women 15+
Never married28.8%(15,909)
Married46.7%(25,789)
Widowed8.4%(4,621)
Divorced16.1%(8,892)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Uninsured
5.8%
−3.8 ptssince 2013
from 9.6% in 2013
US average: 8.4%
Employer-based
54.8%
−2.2 ptssince 2020
from 57.0% in 2020
US average: 54.8%
Direct-purchase
14.4%
+0.1 ptssince 2020
from 14.3% in 2020
US average: 13.8%
Medicare
23.3%
+1.2 ptssince 2020
from 22.1% in 2020
US average: 18.4%
Medicaid
22.4%
+2.7 ptssince 2020
from 19.7% in 2020
US average: 20.9%
VA health care
4.6%
Unchangedsince 2020
from 4.6% in 2020
US average: 2.2%
Any private
68.9%
−1.8 ptssince 2020
from 70.7% in 2020
US average: 67.1%
Any public
41.7%
+3.9 ptssince 2020
from 37.8% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)23.5%(2,296)
US avg: 26.4%
Gulf War (1990s)25.9%(2,532)
US avg: 24.3%
Vietnam era31.7%(3,098)
US avg: 33.1%
Korean War4.6%(454)
US avg: 4.5%
World War II0.8%(75)
US avg: 1%

Share of the 9,769 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
Over time

Kennebec County, decade by decade

Kennebec County population, inflation-adjusted income and home value, education, and diversity by year
YearPopulationMedian household incomeMedian home valueBachelor's degree+Diversity score
1990115,904$68,680$190,80518.1%3.9
2000117,114$66,487$153,38320.7%7.4
2010122,151$66,135$213,05224.1%11.1
2020123,642$67,108$198,77429.3%21.0
2024126,808$69,077$238,20031.9%19.4

Census years come from the decennial census and the latest year from the American Community Survey, so part of any change between those two rows can reflect the different surveys. Dollar figures are adjusted for inflation to 2024 dollars; a figure ending in "+" was at the Census Bureau's reporting cap that year. The diversity score runs from 0 to 100; see how it's calculated.

Drill deeper

Places similar to Kennebec County

Morgan County
Pop 126,483
Bossier Parish
Pop 131,867
Douglas County
Pop 120,920
Faulkner County
Pop 133,979
Places similar to Kennebec County
Head to head

Compare Kennebec County to nearby counties

KENNEBEC COUNTY VS
Androscoggin County
Income$67,873−2%
Home value$252,800+6%
Population116,487−10%
SEE FULL COMPARISON →
KENNEBEC COUNTY VS
Waldo County
Income$72,782+5%
Home value$257,700+8%
Population40,693−68%
SEE FULL COMPARISON →
KENNEBEC COUNTY VS
Lincoln County
Income$76,875+11%
Home value$332,700+40%
Population36,595−72%
SEE FULL COMPARISON →
KENNEBEC COUNTY VS
Sagadahoc County
Income$87,806+27%
Home value$333,300+40%
Population37,979−71%
SEE FULL COMPARISON →
Frequently asked

How many people live in Kennebec County, Maine?

Kennebec County, Maine has about 126,808 residents according to the 2024 American Community Survey.

What is the median household income in Kennebec County, Maine?

The typical household in Kennebec County, Maine earns about $69,077 a year. Half of households make more than that, and half make less.

Is Kennebec County, Maine expensive?

In Kennebec County, Maine, the median home is worth about $238,200, and the typical rent is about $992 a month.

How educated are people in Kennebec County, Maine?

About 31.9% of adults age 25 and over in Kennebec County, Maine hold a bachelor's degree or higher.

What is the poverty rate in Kennebec County, Maine?

About 11.6% of people in Kennebec County, Maine live below the federal poverty line.

Has Kennebec County, Maine grown since 1990?

Yes, Kennebec County, Maine has grown since 1990. The population has added about 10,904 residents, a change of about 9 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →