Aroostook County vs Kennebec County

A side-by-side comparison of Aroostook County and Kennebec County: population, income, housing, and more.

Aroostook County and Kennebec County are counties in Maine. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Kennebec County has the higher population (125,614 vs 67,227 in Aroostook County). Kennebec County has the higher median household income ($65,062 vs $54,254 in Aroostook County). Kennebec County has the higher median home value ($219,900 vs $131,700 in Aroostook County).

Population, income & housing

	Aroostook County	Kennebec County
Population	67,227	125,614
Median age	48.4 yrs	44.0 yrs
Median household income	$54,254	$65,062
Median home value	$131,700	$219,900
Median gross rent	$736	$952
Housing units	38,444	63,140
Homeownership rate	74.4%	72.8%
Bachelor's degree or higher	22.4%	30.9%
Unemployment rate	5.4%	4.1%

Trends (ACS 5-year, 2019–2023)

	Aroostook County	Kennebec County
Population	67,809 → 67,227 (-0.9%)	121,753 → 125,614 (+3.2%)
Median household income	$41,123 → $54,254 (+31.9%)	$55,365 → $65,062 (+17.5%)
Median home value	$99,600 → $131,700 (+32.2%)	$159,400 → $219,900 (+38.0%)
Median gross rent	$574 → $736 (+28.2%)	$761 → $952 (+25.1%)

Aroostook County

Population

67,80967,227

Median household income

$41,123$54,254

Median home value

$99,600$131,700

Median gross rent

$574$736

Kennebec County

Population

121,753125,614

Median household income

$55,365$65,062

Median home value

$159,400$219,900

Median gross rent

$761$952

Age & race/ethnicity

Age distribution (share)

	Aroostook County	Kennebec County
Under 5	4.8%	4.7%
5 to 17	13.9%	14.2%
18 to 24	6.6%	8.8%
25 to 34	9.9%	11.7%
35 to 44	10.7%	11.9%
45 to 54	12.5%	12.5%
55 to 64	16.1%	15.4%
65 to 74	14.8%	12.7%
75 and over	10.6%	8.1%

Race & ethnicity (share)

	Aroostook County	Kennebec County
White (non-Hispanic)	92.9%	92.7%
Black or African American	0.7%	0.8%
American Indian & Alaska Native	1.3%	0.2%
Asian	0.4%	0.8%
Native Hawaiian & Pacific Islander	0.1%	0.0%
Some other race	0.1%	0.3%
Two or more races	2.9%	3.1%
Hispanic or Latino	1.6%	2.2%

Educational attainment (age 25+)

Share of adults 25+

	Aroostook County	Kennebec County
No high school diploma	8.8%	5.2%
High school graduate	38.8%	34.0%
Some college or associate's	30.0%	30.0%
Bachelor's degree	15.5%	19.1%
Graduate or professional degree	6.9%	11.8%

Commute to work

How workers get to work (share)

	Aroostook County	Kennebec County
Drove alone	78.8%	75.1%
Carpooled	9.1%	7.0%
Public transit	0.0%	0.1%
Walked	2.3%	2.6%
Bicycle	0.1%	0.1%
Worked from home	8.1%	13.8%
Other means	1.6%	1.3%

Housing

Units in structure (share)

	Aroostook County	Kennebec County
1-unit, detached	74.0%	67.9%
1-unit, attached	0.7%	1.0%
2 to 4 units	9.8%	11.4%
5 to 19 units	4.2%	6.8%
20 or more units	2.4%	2.8%
Mobile home & other	8.8%	10.0%

Poverty & households

	Aroostook County	Kennebec County
Poverty rate	14.4%	12.3%
Average household size	2.20	2.25
Mean commute (minutes)	19	24
Median year structure built	1971	1975