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
Remote work is unusually rare in Guernsey County: 3.8% of workers primarily work from home, below the 14.0% national rate. Guernsey County is a county in Ohio with a population of 38,283.
Earnings trail the nation, with the median household making $55,756, below the US median of $78,538. The poverty rate is 11.7%, below the national 12.4%. The typical home is valued at $154,100, with typical rent around $803.
Degree attainment is on the lower side for US counties: 15.3% of adults hold a bachelor’s degree, below the national 35.0%. Most workers commute: only 3.8% work from home, below the national 14.0%, and the average commute runs about 23 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.
Guernsey County, OH Climate
Guernsey County, OH has an average annual temperature of 10.6°C (51°F) and receives about 946 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
10.6°C
Avg Temp
946
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -2° / 28° | 57 mm |
| February | -1° / 30° | 57 mm |
| March | 5° / 40° | 79 mm |
| April | 10° / 50° | 84 mm |
| May | 16° / 60° | 95 mm |
| June | 20° / 68° | 96 mm |
| July | 22° / 72° | 104 mm |
| August | 22° / 71° | 91 mm |
| September | 18° / 64° | 70 mm |
| October | 12° / 53° | 62 mm |
| November | 6° / 42° | 80 mm |
| December | 0° / 33° | 71 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Guernsey County, OH
The most comfortable months to visit Guernsey County, OH are typically August, June and September, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 29°C high). The coldest is January (near -7°C low). July is usually the wettest month.
Where to stay near Guernsey County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.