Kennebec County, Maine Demographics 2026

Population Overview

Kennebec County is located in Maine with a total population of 125,614. It is the 4th most populous county out of 16 in Maine. The county encompasses 4 Census-designated places.

Age Demographics

The median age in Kennebec County is 44.0 years. This is 2% lower than the state median of 44.8 years.

Economy, Income & Housing

The median household income in Kennebec County is $65,062. This is 9% lower than the state median of $71,773. Compared to the national median of $78,538, household income here is 17% lower. The poverty rate stands at 12.3%. This is 14% higher than the state poverty rate of 10.8%. The unemployment rate is 4.0%. This is 3% higher than the state rate of 3.9%. The median home value is $219,900. Housing costs are 17% lower than the state median of $266,400. The home-value-to-income ratio is 3.4x. 72.8% of occupied housing units are owner-occupied. This homeownership rate is 2% lower than the state average of 74.0%.

Race & Ethnicity

Kennebec County has a predominantly White (non-Hispanic) population, comprising 92.7% of all residents. Hispanic or Latino residents account for 2.2%. The Black or African American population (0.8%) is well below the state average of 1.6%.

Education

30.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 13% lower than the state rate of 35.3%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 94.8%.