Columbiana County, Ohio Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 27th-largest in Ohio
The population of Columbiana County, Ohio is 101,203 as of the 2023 American Community Survey, making it the 27th-largest county in Ohio. The median household income is $58,474, the median home value is $139,100, and the median age is 44.7.
The population of Columbiana County has declined 7.5% since 2010 (107,889 → 99,823), a -0.55% annualized rate.
101,203
Population
-0.55%
Annual growth
190
People / sq mi
$58,474
Median Income
$139,100
Median Home Value
Columbiana County covers 532 sq mi of land at 190.3 people per square mile.
About Columbiana County, OH
Columbiana County stands apart on settlement density — it is among the most densely settled of US counties, at roughly 190 people per square mile. Columbiana County is a county in Ohio with a population of 101,203. It ranks #27 among counties in Ohio by population.
Median household income is $58,474, below the US median of $78,538. The poverty rate is 10.8%, below the national 12.4%. Median home value is $139,100, with typical rent around $736.
Fewer adults hold degrees here than in most comparable places — 16.0%, below the national 35.0%. Most workers commute: only 5.6% work from home, below the national 14.0%, and the average commute runs about 25 minutes each way.
That density explains much of the rest of the profile in Columbiana County: denser places lean toward renting, shorter commutes by transit, and a younger working-age mix.
Columbiana County Population History (2010-2024)
The county of Columbiana County had a population of 107,889 in 2010 and 99,823 in 2024, a -7.5% growth over 14 years. The peak was 107,889 in 2010. Average annual growth rate: -0.55%.
99,823
Population (2024)
107,889
Population (2010)
107,889
Peak (2010)
-0.55%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 107,889 |
| 2011 | 107,437 |
| 2012 | 106,652 |
| 2013 | 106,007 |
| 2014 | 105,681 |
| 2015 | 104,788 |
| 2016 | 103,926 |
| 2017 | 103,198 |
| 2018 | 102,534 |
| 2019 | 101,794 |
| 2020 | 101,650 |
| 2021 | 101,372 |
| 2022 | 100,537 |
| 2023 | 100,137 |
| 2024 | 99,823 |
Race & Ethnicity
| White | 93.2% |
| Black or African American | 1.9% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.0% |
| Two or More Races | 0.0% |
Age & Sex
44.7
Median Age
49.3%
Female
50.7%
Male
21.4%
Age 65+
Age Distribution
Children (under 15): 16.4% · Seniors (65+): 21.4%
Income & Poverty
| Median household income | $58,474$-11,206 vs state |
| Mean household income | $75,850 |
| Per-capita income | $32,265 |
| Poverty rate | 10.8%+1.6% vs state |
| Unemployment rate | 2.8% |
| Employment-to-population | 55.2% |
Top Industries by Employment
The largest employment sector in Columbiana County is professional & business services, accounting for 23.2% of workers.
How residents commute
0.2%
Drive alone
2.3%
Carpool
81.0%
Public transit
5.6%
Work from home
24.6 min
Avg commute
Housing
$139,100$-60,100 vs state
Median home value
$736
Median rent
73.1%
Homeownership rate
46,133
Total housing units
89.7%
Occupied
10.3%
Vacant
26.9%
Renter-occupied
Social & access
93.1%
With health insurance
90.8%
With broadband internet
21.0%
Foreign-born
9.1%
Veterans (18+)
17.3%
With a disability
98.2%
Speak language other than English at home
Education
89.7%
High School+
16.0%
Bachelor's+
Largest cities in Ohio
Other counties in Ohio
Part of Ohio
Metro areas in Ohio
County rankings
Frequently Asked Questions
Columbiana County, Ohio has a population of 101,203 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 27th-largest county in Ohio. Population density is 190 people per square mile.
The population of Columbiana County has declined 7.5% since 2010 (107,889 → 99,823), a -0.55% annualized rate.
The median household income in Columbiana County, Ohio is $58,474, with mean (average) household income of $75,850 and per-capita income of $32,265. 10.8% of residents live below the federal poverty level.
In Columbiana County, the largest racial and ethnic groups are White (93.2%), Black or African American (1.9%), Hispanic or Latino (1.0%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Columbiana County, Ohio is 44.7 years. Residents are 49.3% female and 50.7% male.
The median home value in Columbiana County is $139,100 and median monthly rent is $736. 73.1% of occupied housing units are owner-occupied. The county has 46,133 total housing units, 10.3% of which are vacant.
The largest employment sector in Columbiana County, Ohio is professional, scientific, and management services, employing 23.2% of workers. The unemployment rate is 2.8%.
Columbus is among the largest cities associated with Columbiana County, Ohio, with a population of 906,480.
Columbiana County, OH Climate
Columbiana County, OH has an average annual temperature of 9.6°C (49°F) and receives about 984 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
9.6°C
Avg Temp
984
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -4° / 26° | 62 mm |
| February | -2° / 28° | 56 mm |
| March | 3° / 38° | 78 mm |
| April | 9° / 48° | 84 mm |
| May | 15° / 58° | 101 mm |
| June | 19° / 67° | 101 mm |
| July | 22° / 71° | 107 mm |
| August | 21° / 69° | 85 mm |
| September | 17° / 63° | 87 mm |
| October | 11° / 51° | 65 mm |
| November | 5° / 41° | 81 mm |
| December | 0° / 31° | 77 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 Columbiana County, OH
The most comfortable months to visit Columbiana County, OH are typically August, July and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 28°C high). The coldest is January (near -8°C low). July is usually the wettest month.
Where to stay near Columbiana County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.