Knox County, Maine
Population estimates, July 1, 2025, (V2025) 41,117
People
Population
Population estimates, July 1, 2025, (V2025) 41,117
Population estimates, July 1, 2024, (V2024) 40,981
Population estimates base, April 1, 2020, (V2025) 40,608
Population estimates base, April 1, 2020, (V2024) 40,611
Population, percent change - April 1, 2020 (estimates base) to July 1, 2025, (V2025) 1.3%
Population, percent change - April 1, 2020 (estimates base) to July 1, 2024, (V2024) 0.9%
Population, Census, April 1, 2020 40,607
Population, Census, April 1, 2010 39,736
Age and Sex
Persons under 5 years, percent 3.6%
Persons under 18 years, percent 16.2%
Persons 65 years and over, percent 29.4%
Female persons, percent 50.0%
Race and Hispanic Origin
White alone, percent 96.0%
Black alone, percent(a) 1.0%
American Indian and Alaska Native alone, percent(a) 0.5%
Asian alone, percent(a) 0.7%
Native Hawaiian and Other Pacific Islander alone, percent(a) Z
Two or More Races, percent 1.8%
Hispanic or Latino, percent(b) 2.0%
White alone, not Hispanic or Latino, percent 94.2%
Population Characteristics
Veterans, 2020-2024 2,953
Foreign-born persons, percent, 2020-2024 3.1%
Housing
Housing Units, July 1, 2025, (V2025) 25,078
Owner-occupied housing unit rate, 2020-2024 78.7%
Median value of owner-occupied housing units, 2020-2024 $324,900
Median selected monthly owner costs - with a mortgage, 2020-2024 $1,691
Median selected monthly owner costs - without a mortage, 2020-2024 $740
Median gross rent, 2020-2024 $1,165
Building Permits, 2025 191
Families & Living Arrangements
Households, 2020-2024 18,484
Persons per household, 2020-2024 2.12
Living in the same house 1 year ago, percent of persons age 1 year+ , 2020-2024 90.3%
Language other than English spoken at home, percent of persons age 5 years+, 2020-2024 4.2%
Computer and Internet Use
Households with a computer, percent, 2020-2024 94.8%
Households with a broadband Internet subscription, percent, 2020-2024 90.3%
Education
High school graduate or higher, percent of persons age 25 years+, 2020-2024 94.8%
Bachelor's degree or higher, percent of persons age 25 years+, 2020-2024 39.7%
Health
With a disability, under age 65 years, percent, 2020-2024 8.6%
Persons without health insurance, under age 65 years, percent 10.2%
Economy
In civilian labor force, total, percent of population age 16 years+, 2020-2024 57.9%
In civilian labor force, female, percent of population age 16 years+, 2020-2024 55.4%
Total accommodation and food services sales, 2022 ($1,000)(c) 174,806
Total health care and social assistance receipts/revenue, 2022 ($1,000)(c) 365,514
Total transportation and warehousing receipts/revenue, 2022 ($1,000)(c) 43,809
Total retail sales, 2022 ($1,000)(c) 1,066,820
Total retail sales per capita, 2022(c) $25,907
Transportation
Mean travel time to work (minutes), workers age 16 years+, 2020-2024 19.6
Income & Poverty
Median households income (in 2024 dollars), 2020-2024 $74,096
Per capita income in past 12 months (in 2024 dollars), 2020-2024 $44,763
Persons in poverty, percent 9.9%
Businesses
Businesses
Total employer establishments, 2023 1,823
Total employment, 2023 14,502
Total annual payroll, 2023 ($1,000) 763,477
Total employment, percent change, 2022-2023 2.4%
Total nonemployer establishments, 2023 5,867
All employer firms, Reference year 2023 1,209
Male-owned employer firms, Reference year 2023 496
Female-owned employer firms, Reference year 2023 405
Minority-owned employer firms, Reference year 2023 S
Nonminority-owned employer firms, Reference year 2023 985
Veteran-owned employer firms, Reference year 2023 S
Nonveteran-owned employer firms, Reference year 2023 916
Geography
Geography
Population per square mile, 2020 111.2
Population per square mile, 2010 108.8
Land area in square miles, 2020 365.14
Land area in square miles, 2010 365.13
FIPS Code 23013