Guernsey County, Ohio Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 64th-largest in Ohio
The population of Guernsey County, Ohio is 38,283 as of the 2023 American Community Survey, making it the 64th-largest county in Ohio. The median household income is $55,756, the median home value is $154,100, and the median age is 42.7.
The population of Guernsey County has declined 4.8% since 2010 (40,152 → 38,219), a -0.35% annualized rate.
38,283
Population
-0.35%
Annual growth
73
People / sq mi
$55,756
Median Income
$154,100
Median Home Value
Guernsey County covers 522 sq mi of land at 73.3 people per square mile.
About Guernsey County, OH
Guernsey County is a county in Ohio with a population of 38,283. It ranks #64 among counties in Ohio by population. The median age is 42.7, older than the national median. The population is 49.9% male and 50.1% female.
The median household income in Guernsey County is $55,756, below the US median of $74,580. 11.7% of residents live below the federal poverty level. Home values sit at a median of $154,100, with monthly rent averaging $803. The homeownership rate of 71.6% is higher than the national rate of 64.8%.
Educational attainment in Guernsey County reflects 15.3% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 3.8% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 23.1 minutes each way.
Guernsey County Population History (2010-2024)
The county of Guernsey County had a population of 40,152 in 2010 and 38,219 in 2024, a -4.8% growth over 14 years. The peak was 40,152 in 2010. Average annual growth rate: -0.35%.
38,219
Population (2024)
40,152
Population (2010)
40,152
Peak (2010)
-0.35%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 40,152 |
| 2011 | 39,915 |
| 2012 | 39,886 |
| 2013 | 39,716 |
| 2014 | 39,699 |
| 2015 | 39,402 |
| 2016 | 39,237 |
| 2017 | 39,077 |
| 2018 | 39,011 |
| 2019 | 38,876 |
| 2020 | 38,419 |
| 2021 | 38,283 |
| 2022 | 38,069 |
| 2023 | 38,126 |
| 2024 | 38,219 |
Race & Ethnicity
| White | 94.1% |
| Black or African American | 1.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.9% |
| Two or More Races | 0.0% |
Age & Sex
42.7
Median Age
50.1%
Female
49.9%
Male
20.0%
Age 65+
Age Distribution
Children (under 15): 18.0% · Seniors (65+): 20.0%
Income & Poverty
| Median household income | $55,756$-13,924 vs state |
| Mean household income | $74,239 |
| Per-capita income | $32,089 |
| Poverty rate | 11.7%+2.5% vs state |
| Unemployment rate | 2.8% |
| Employment-to-population | 53.4% |
Top Industries by Employment
The largest employment sector in Guernsey County is professional & business services, accounting for 23.0% of workers.
How residents commute
0.1%
Drive alone
0.8%
Carpool
84.0%
Public transit
3.8%
Work from home
23.1 min
Avg commute
Housing
$154,100$-45,100 vs state
Median home value
$803
Median rent
71.6%
Homeownership rate
19,024
Total housing units
85.4%
Occupied
14.6%
Vacant
28.4%
Renter-occupied
Social & access
90.0%
With health insurance
89.3%
With broadband internet
15.0%
Foreign-born
8.1%
Veterans (18+)
17.8%
With a disability
95.7%
Speak language other than English at home
Education
85.7%
High School+
15.3%
Bachelor's+
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County rankings
Frequently Asked Questions
Guernsey County, Ohio has a population of 38,283 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 64th-largest county in Ohio. Population density is 73 people per square mile.
The population of Guernsey County has declined 4.8% since 2010 (40,152 → 38,219), a -0.35% annualized rate.
The median household income in Guernsey County, Ohio is $55,756, with mean (average) household income of $74,239 and per-capita income of $32,089. 11.7% of residents live below the federal poverty level.
In Guernsey County, the largest racial and ethnic groups are White (94.1%), Black or African American (1.7%), Hispanic or Latino (0.9%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Guernsey County, Ohio is 42.7 years. Residents are 50.1% female and 49.9% male.
The median home value in Guernsey County is $154,100 and median monthly rent is $803. 71.6% of occupied housing units are owner-occupied. The county has 19,024 total housing units, 14.6% of which are vacant.
The largest employment sector in Guernsey County, Ohio is professional, scientific, and management services, employing 23.0% of workers. The unemployment rate is 2.8%.
Columbus is among the largest cities associated with Guernsey County, Ohio, with a population of 906,480.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.