United States › Maine › Knox County COUNTY · 2010 ACS
Knox County Maine · 39,736 residents · 365 sq mi
Time machine
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The short version
Knox County is home to 39,736 people in Maine. The median age is 46.2, about 9 years above the US median. 2% of people here were born outside the United States. Owners hold 74% of the housing stock. The average commute runs 19 minutes. Households take in $45,264 at the median, 14% less than the US figure.
At a glance
Lower income
below the US median
US median: $52,703
Older
median age 46.2
US median: 37.2
Average education
27% hold a bachelor's degree
US average: 28%
Less affordable
home values up 46%, inflation adjusted
US median home: $225,659
Section 01
Population & growth 39,736
Unchangedsince 2000
from 39,618 in 2000
from 41.4 in 2000
US average: 37.2
Population, 1990 – 2024
36K 37K 39K 40K 41K 1990 2000 2010 2020 2024 Knox County Age distribution, 2010
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Section 02
Income & economy $45,264
−3%inflation adjusted, since 2000
from $36,774 in 2000
US average: $52,703
from $19,981 in 2000
US average: $27,286
Households earning $100K+
from 24.2% in 2009
US average: 33.3%
from 10.1% in 2000
US average: 13.8%
Workforce by industry, 2010
Agriculture, forestry, fishing 5.9%
Public administration 3.3%
Transportation & warehousing 2.9%
Professional, scientific, technical 2.7%
Arts, entertainment, food 1.3%
Education & health services 0.2%
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$203,800
+46%inflation adjusted, since 2000
from $110,200 in 2000
US average: $225,659
$726
+11%inflation adjusted, since 2000
from $517 in 2000
US average: $853
from 74.0% in 2000
25.9% rent
from 27.4% in 2009
US average: 12.1%
from 2.36 people in 2009
US average: 2.60
from 32.5% in 2009
US average: 30.9%
from 47.3% in 2009
US average: 46.8%
from 4.6 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04
Race & ethnicity 2000
White, non-Hispanic 97.9%(38,777)
Hispanic / Latino 0.6%(225)
2010
White, non-Hispanic 96.5%(38,337)
Hispanic / Latino 0.8%(337)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 27 more ancestry groups with data from 26.2% in 2000
US average: 27.9%
High school or higher
from 87.5% in 2000
US average: 84.9%
from 9.2% in 2000
US average: 10.2%
Section 06
Commute & transportation from 13.2 min in 2000
US average: 25.2
from 75.5% in 2009
US average: 76.2%
from 10.0% in 2009
US average: 10.4%
from 0.4% in 2009
US average: 4.7%
from 8.1% in 2009
US average: 4.1%
from 3.4% in 2009
US average: 2.8%
from 0.3% in 2009
US average: 0.5%
from 6.4% in 2009
US average: 8.7%
Section 07
Work & employment from 11.7% in 2009
US average: 12.9%
from 29.0% in 2009
US average: 35.2%
Section 08
People & community from 1.9% in 2009
US average: 12.8%
from 13.9% in 2009
US average: 9.9%
Marital status (2024)
Men 15+
Never married 29.7%(5,250)
Women 15+
Never married 22.2%(3,958)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
from 13.0% in 2013
US average: 8.4%
from 48.2% in 2020
US average: 54.8%
Direct-purchase
from 22.6% in 2020
US average: 13.8%
from 29.3% in 2020
US average: 18.4%
from 18.6% in 2020
US average: 20.9%
VA health care
from 3.0% in 2020
US average: 2.2%
Any private
from 68.8% in 2020
US average: 67.1%
Any public
from 42.5% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 24.3%(718)
Share of the 2,953 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
Places similar to Knox County Head to head
Compare Knox County to nearby counties KNOX COUNTY VS
Lincoln County
Income $76,875 +70%
Home value $332,700 +63%
Population 36,595 −11%
SEE FULL COMPARISON →
KNOX COUNTY VS
Waldo County
Income $72,782 +61%
Home value $257,700 +26%
Population 40,693 −1%
SEE FULL COMPARISON →
KNOX COUNTY VS
Sagadahoc County
Income $87,806 +94%
Home value $333,300 +64%
Population 37,979 −8%
SEE FULL COMPARISON →
KNOX COUNTY VS
Kennebec County
Income $69,077 +53%
Home value $238,200 +17%
Population 129,067 +214%
SEE FULL COMPARISON →
Frequently asked
How many people live in Knox County, Maine? Knox County, Maine has about 39,736 residents according to the 2010 American Community Survey.
What is the median household income in Knox County, Maine? The typical household in Knox County, Maine earns about $45,264 a year. Half of households make more than that, and half make less.
Is Knox County, Maine expensive? In Knox County, Maine, the median home is worth about $203,800, and the typical rent is about $726 a month.
How educated are people in Knox County, Maine? About 26.9% of adults age 25 and over in Knox County, Maine hold a bachelor's degree or higher.
What is the poverty rate in Knox County, Maine? About 12.5% of people in Knox County, Maine live below the federal poverty line.
Has Knox County, Maine grown since 1990? Yes, Knox County, Maine has grown since 1990. The population has added about 3,426 residents, a change of about 9 percent over that period.
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