Kennebec County Flag

Kennebec County

State:
Maine
County Seat:
Augusta

Kennebec County's estimated 2025 population is 128,707 with a growth rate of 0.57% 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 5.43% since that time.

128,707
Total Population
148
Population Density (mi²)
4
Population Rank (State)
724 0.57%
Annual Population Growth

Kennebec County Population

Kennebec County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Kennebec County includes 93.44% White, and smaller percentages for Black or African American, Asian, other race, Native American and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White117,37893.44%
Two or more races5,1184.07%
Black or African American1,0210.81%
Asian9930.79%
Other race8150.65%
Native American2890.23%

Kennebec County Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Kennebec County's average per capita income is $47,041. Household income levels show a median of $65,062. The poverty rate stands at 12.32%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$100,699$116,881
Families$85,945$102,912
Households$65,062$85,256
Non Families$39,077$52,488

$47,041

Average Income

$65,062

Median Household Income

12.32%

Poverty Rate