Knox County vs Sagadahoc County

A side-by-side comparison of Knox County and Sagadahoc County: population, income, housing, and more.

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

Knox County has the higher population (40,860 vs 37,093 in Sagadahoc County). Sagadahoc County has the higher median household income ($82,080 vs $71,903 in Knox County). Sagadahoc County has the higher median home value ($300,200 vs $290,800 in Knox County).

Population, income & housing

	Knox County	Sagadahoc County
Population	40,860	37,093
Median age	49.2 yrs	47.3 yrs
Median household income	$71,903	$82,080
Median home value	$290,800	$300,200
Median gross rent	$1,079	$1,050
Housing units	24,428	19,109
Homeownership rate	78.5%	77.8%
Bachelor's degree or higher	39.1%	41.1%
Unemployment rate	3.9%	4.6%

Trends (ACS 5-year, 2019–2023)

	Knox County	Sagadahoc County
Population	39,759 → 40,860 (+2.8%)	35,452 → 37,093 (+4.6%)
Median household income	$57,751 → $71,903 (+24.5%)	$63,694 → $82,080 (+28.9%)
Median home value	$213,400 → $290,800 (+36.3%)	$213,400 → $300,200 (+40.7%)
Median gross rent	$856 → $1,079 (+26.1%)	$894 → $1,050 (+17.4%)

Knox County

Population

39,75940,860

Median household income

$57,751$71,903

Median home value

$213,400$290,800

Median gross rent

$856$1,079

Sagadahoc County

Population

35,45237,093

Median household income

$63,694$82,080

Median home value

$213,400$300,200

Median gross rent

$894$1,050

Age & race/ethnicity

Age distribution (share)

	Knox County	Sagadahoc County
Under 5	3.8%	4.3%
5 to 17	13.3%	13.6%
18 to 24	6.1%	5.9%
25 to 34	10.4%	12.0%
35 to 44	11.2%	12.1%
45 to 54	12.6%	12.0%
55 to 64	15.5%	16.0%
65 to 74	16.2%	14.1%
75 and over	10.9%	9.9%

Race & ethnicity (share)

	Knox County	Sagadahoc County
White (non-Hispanic)	94.1%	92.4%
Black or African American	0.4%	0.5%
American Indian & Alaska Native	0.3%	0.1%
Asian	0.3%	0.7%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.1%	0.4%
Two or more races	3.1%	3.9%
Hispanic or Latino	1.8%	2.0%

Educational attainment (age 25+)

Share of adults 25+

	Knox County	Sagadahoc County
No high school diploma	5.7%	5.2%
High school graduate	30.1%	27.7%
Some college or associate's	25.1%	25.9%
Bachelor's degree	24.6%	24.0%
Graduate or professional degree	14.5%	17.1%

Commute to work

How workers get to work (share)

	Knox County	Sagadahoc County
Drove alone	69.4%	76.2%
Carpooled	9.6%	6.6%
Public transit	0.0%	0.3%
Walked	4.7%	2.9%
Bicycle	0.1%	0.3%
Worked from home	14.5%	12.6%
Other means	1.7%	1.0%

Housing

Units in structure (share)

	Knox County	Sagadahoc County
1-unit, detached	79.3%	75.9%
1-unit, attached	1.9%	1.9%
2 to 4 units	7.7%	7.7%
5 to 19 units	2.8%	4.7%
20 or more units	2.1%	2.6%
Mobile home & other	6.2%	7.2%

Poverty & households

	Knox County	Sagadahoc County
Poverty rate	8.8%	11.1%
Average household size	2.17	2.28
Mean commute (minutes)	20	25
Median year structure built	1973	1977