Knox County, Ohio Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 40th-largest in Ohio
The population of Knox County, Ohio is 62,888 as of the 2023 American Community Survey, making it the 40th-largest county in Ohio. The median household income is $73,988, the median home value is $218,300, and the median age is 39.4.
The population of Knox County has grown 4.5% since 2010 (61,087 → 63,848), a +0.32% annualized rate.
62,888
Population
+0.32%
Annual growth
120
People / sq mi
$73,988
Median Income
$218,300
Median Home Value
Knox County covers 525 sq mi of land at 119.7 people per square mile.
About Knox County, OH
Knox County is a county in Ohio with a population of 62,888. It ranks #40 among counties in Ohio by population. The median age is 39.4, in line with the national median. The population is 49.3% male and 50.7% female.
The median household income in Knox County is $73,988, near the US median of $74,580. 7.9% of residents live below the federal poverty level. Home values sit at a median of $218,300, with monthly rent averaging $925. The homeownership rate of 75.1% is higher than the national rate of 64.8%.
Educational attainment in Knox County reflects 24.3% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 11.4% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 26.9 minutes each way.
Knox County Population History (2010-2024)
The county of Knox County had a population of 61,087 in 2010 and 63,848 in 2024, a 4.5% growth over 14 years. The peak was 63,848 in 2024. Average annual growth rate: 0.32%.
63,848
Population (2024)
61,087
Population (2010)
63,848
Peak (2024)
0.32%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 61,087 |
| 2011 | 61,290 |
| 2012 | 60,781 |
| 2013 | 60,882 |
| 2014 | 61,035 |
| 2015 | 61,045 |
| 2016 | 60,953 |
| 2017 | 61,345 |
| 2018 | 61,921 |
| 2019 | 62,239 |
| 2020 | 62,792 |
| 2021 | 62,539 |
| 2022 | 63,186 |
| 2023 | 63,344 |
| 2024 | 63,848 |
Race & Ethnicity
| White | 94.0% |
| Black or African American | 0.9% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.8% |
| Two or More Races | 0.0% |
Age & Sex
39.4
Median Age
50.7%
Female
49.3%
Male
18.6%
Age 65+
Age Distribution
Children (under 15): 19.0% · Seniors (65+): 18.6%
Income & Poverty
| Median household income | $73,988+$4,308 vs state |
| Mean household income | $90,200 |
| Per-capita income | $34,636 |
| Poverty rate | 7.9%-1.3% vs state |
| Unemployment rate | 1.5% |
| Employment-to-population | 59.0% |
Top Industries by Employment
The largest employment sector in Knox County is professional & business services, accounting for 26.2% of workers.
How residents commute
0.4%
Drive alone
3.7%
Carpool
75.6%
Public transit
11.4%
Work from home
26.9 min
Avg commute
Housing
$218,300+$19,100 vs state
Median home value
$925
Median rent
75.1%
Homeownership rate
26,038
Total housing units
90.0%
Occupied
10.0%
Vacant
24.9%
Renter-occupied
Social & access
88.8%
With health insurance
92.0%
With broadband internet
19.7%
Foreign-born
8.0%
Veterans (18+)
13.2%
With a disability
93.9%
Speak language other than English at home
Education
91.1%
High School+
24.3%
Bachelor's+
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Part of Ohio
Metro areas in Ohio
County rankings
Frequently Asked Questions
Knox County, Ohio has a population of 62,888 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 40th-largest county in Ohio. Population density is 120 people per square mile.
The population of Knox County has grown 4.5% since 2010 (61,087 → 63,848), a +0.32% annualized rate.
The median household income in Knox County, Ohio is $73,988, with mean (average) household income of $90,200 and per-capita income of $34,636. 7.9% of residents live below the federal poverty level.
In Knox County, the largest racial and ethnic groups are White (94.0%), Black or African American (0.9%), Hispanic or Latino (0.8%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Knox County, Ohio is 39.4 years. Residents are 50.7% female and 49.3% male.
The median home value in Knox County is $218,300 and median monthly rent is $925. 75.1% of occupied housing units are owner-occupied. The county has 26,038 total housing units, 10.0% of which are vacant.
The largest employment sector in Knox County, Ohio is professional, scientific, and management services, employing 26.2% of workers. The unemployment rate is 1.5%.
Columbus is among the largest cities associated with Knox County, Ohio, with a population of 906,480.
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Statewide data for Ohio
Population, race, income, age, and trends across Ohio
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.