Franklin County vs Knox County

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

Franklin County and Knox 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 30,145 in Franklin County). Knox County has the higher median household income ($71,903 vs $58,522 in Franklin County). Knox County has the higher median home value ($290,800 vs $176,700 in Franklin County).

Population, income & housing

	Franklin County	Knox County
Population	30,145	40,860
Median age	46.1 yrs	49.2 yrs
Median household income	$58,522	$71,903
Median home value	$176,700	$290,800
Median gross rent	$759	$1,079
Housing units	21,089	24,428
Homeownership rate	77.0%	78.5%
Bachelor's degree or higher	29.9%	39.1%
Unemployment rate	5.3%	3.9%

Trends (ACS 5-year, 2019–2023)

	Franklin County	Knox County
Population	29,982 → 30,145 (+0.5%)	39,759 → 40,860 (+2.8%)
Median household income	$51,422 → $58,522 (+13.8%)	$57,751 → $71,903 (+24.5%)
Median home value	$139,800 → $176,700 (+26.4%)	$213,400 → $290,800 (+36.3%)
Median gross rent	$635 → $759 (+19.5%)	$856 → $1,079 (+26.1%)

Franklin County

Population

29,98230,145

Median household income

$51,422$58,522

Median home value

$139,800$176,700

Median gross rent

$635$759

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

Age & race/ethnicity

Age distribution (share)

	Franklin County	Knox County
Under 5	4.1%	3.8%
5 to 17	13.1%	13.3%
18 to 24	10.7%	6.1%
25 to 34	10.9%	10.4%
35 to 44	10.5%	11.2%
45 to 54	11.2%	12.6%
55 to 64	16.5%	15.5%
65 to 74	14.1%	16.2%
75 and over	9.0%	10.9%

Race & ethnicity (share)

	Franklin County	Knox County
White (non-Hispanic)	94.0%	94.1%
Black or African American	0.6%	0.4%
American Indian & Alaska Native	0.2%	0.3%
Asian	0.5%	0.3%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.4%	0.1%
Two or more races	2.7%	3.1%
Hispanic or Latino	1.6%	1.8%

Educational attainment (age 25+)

Share of adults 25+

	Franklin County	Knox County
No high school diploma	6.2%	5.7%
High school graduate	35.5%	30.1%
Some college or associate's	28.4%	25.1%
Bachelor's degree	19.7%	24.6%
Graduate or professional degree	10.2%	14.5%

Commute to work

How workers get to work (share)

	Franklin County	Knox County
Drove alone	72.7%	69.4%
Carpooled	8.6%	9.6%
Public transit	0.0%	0.0%
Walked	4.7%	4.7%
Bicycle	0.4%	0.1%
Worked from home	11.5%	14.5%
Other means	2.1%	1.7%

Housing

Units in structure (share)

	Franklin County	Knox County
1-unit, detached	75.3%	79.3%
1-unit, attached	2.2%	1.9%
2 to 4 units	5.2%	7.7%
5 to 19 units	5.8%	2.8%
20 or more units	2.1%	2.1%
Mobile home & other	9.4%	6.2%

Poverty & households

	Franklin County	Knox County
Poverty rate	11.8%	8.8%
Average household size	2.32	2.17
Mean commute (minutes)	27	20
Median year structure built	1978	1973