Adams County, Ohio Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 78th-largest in Ohio
The population of Adams County, Ohio is 27,510 as of the 2023 American Community Survey, making it the 78th-largest county in Ohio. The median household income is $49,521, the median home value is $157,500, and the median age is 42.3.
The population of Adams County has declined 3.0% since 2010 (28,530 → 27,671), a -0.22% annualized rate.
27,510
Population
-0.22%
Annual growth
47
People / sq mi
$49,521
Median Income
$157,500
Median Home Value
Adams County covers 584 sq mi of land at 47.1 people per square mile.
About Adams County, OH
Adams County is a county in Ohio with a population of 27,510. It ranks #78 among counties in Ohio by population. The median age is 42.3, older than the national median. The population is 49.7% male and 50.3% female.
The median household income in Adams County is $49,521, below the US median of $74,580. 14.8% of residents live below the federal poverty level. Home values sit at a median of $157,500, with monthly rent averaging $700. The homeownership rate of 71.0% is higher than the national rate of 64.8%.
Educational attainment in Adams County reflects 14.3% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 5.3% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 35.8 minutes each way.
Adams County Population History (2010-2024)
The county of Adams County had a population of 28,530 in 2010 and 27,671 in 2024, a -3.0% growth over 14 years. The peak was 28,530 in 2010. Average annual growth rate: -0.22%.
27,671
Population (2024)
28,530
Population (2010)
28,530
Peak (2010)
-0.22%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 28,530 |
| 2011 | 28,454 |
| 2012 | 28,288 |
| 2013 | 28,085 |
| 2014 | 28,060 |
| 2015 | 27,919 |
| 2016 | 27,817 |
| 2017 | 27,747 |
| 2018 | 27,685 |
| 2019 | 27,640 |
| 2020 | 27,451 |
| 2021 | 27,589 |
| 2022 | 27,449 |
| 2023 | 27,542 |
| 2024 | 27,671 |
Race & Ethnicity
| White | 96.5% |
| Black or African American | 0.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.3% |
| Two or More Races | 0.0% |
Age & Sex
42.3
Median Age
50.3%
Female
49.7%
Male
18.5%
Age 65+
Age Distribution
Children (under 15): 19.2% · Seniors (65+): 18.5%
Income & Poverty
| Median household income | $49,521$-20,159 vs state |
| Mean household income | $65,434 |
| Per-capita income | $25,484 |
| Poverty rate | 14.8%+5.6% vs state |
| Unemployment rate | 3.3% |
| Employment-to-population | 47.7% |
Top Industries by Employment
The largest employment sector in Adams County is professional & business services, accounting for 28.6% of workers.
How residents commute
0.7%
Drive alone
1.5%
Carpool
84.0%
Public transit
5.3%
Work from home
35.8 min
Avg commute
Housing
$157,500$-41,700 vs state
Median home value
$700
Median rent
71.0%
Homeownership rate
12,737
Total housing units
80.3%
Occupied
19.7%
Vacant
29.0%
Renter-occupied
Social & access
92.2%
With health insurance
90.1%
With broadband internet
19.0%
Foreign-born
8.9%
Veterans (18+)
22.2%
With a disability
98.8%
Speak language other than English at home
Education
85.2%
High School+
14.3%
Bachelor's+
Largest cities in Ohio
Other counties in Ohio
Part of Ohio
Metro areas in Ohio
County rankings
Frequently Asked Questions
Adams County, Ohio has a population of 27,510 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 78th-largest county in Ohio. Population density is 47 people per square mile.
The population of Adams County has declined 3.0% since 2010 (28,530 → 27,671), a -0.22% annualized rate.
The median household income in Adams County, Ohio is $49,521, with mean (average) household income of $65,434 and per-capita income of $25,484. 14.8% of residents live below the federal poverty level.
In Adams County, the largest racial and ethnic groups are White (96.5%), Hispanic or Latino (1.3%), Black or African American (0.4%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Adams County, Ohio is 42.3 years. Residents are 50.3% female and 49.7% male.
The median home value in Adams County is $157,500 and median monthly rent is $700. 71.0% of occupied housing units are owner-occupied. The county has 12,737 total housing units, 19.7% of which are vacant.
The largest employment sector in Adams County, Ohio is professional, scientific, and management services, employing 28.6% of workers. The unemployment rate is 3.3%.
Columbus is among the largest cities associated with Adams County, Ohio, with a population of 906,480.
More from Ohio
Population 1,321,635
Population 1,249,418
Population 827,878
Population 538,087
Full rankings of Ohio counties
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.