Mahoning County, Ohio Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 12th-largest in Ohio
The population of Mahoning County, Ohio is 227,063 as of the 2023 American Community Survey, making it the 12th-largest county in Ohio. The median household income is $55,576, the median home value is $141,100, and the median age is 43.4.
The population of Mahoning County has declined 5.3% since 2010 (238,315 → 225,786), a -0.39% annualized rate.
227,063
Population
-0.39%
Annual growth
552
People / sq mi
$55,576
Median Income
$141,100
Median Home Value
Mahoning County covers 411 sq mi of land at 551.8 people per square mile.
About Mahoning County, OH
What distinguishes Mahoning County is density: among the most densely settled of US counties, around 552 people per square mile. With 227,063 residents, Mahoning County is a county in Ohio. It ranks #12 among counties in Ohio by population.
Incomes run on the lower side: a median household income of $55,576, below the US median of $78,538. Poverty sits at 13.9%, above the national 12.4%. Homes carry a median value of $141,100, with typical rent around $775.
26.4% of adults 25 and older hold a bachelor’s degree, below the national average of 35.0%. Remote work is below the national 14.0% at 8.7%, and the average commute runs about 23 minutes each way.
That density explains much of the rest of the profile in Mahoning County: denser places lean toward renting, shorter commutes by transit, and a younger working-age mix.
Mahoning County Population History (2010-2024)
The county of Mahoning County had a population of 238,315 in 2010 and 225,786 in 2024, a -5.3% growth over 14 years. The peak was 238,315 in 2010. Average annual growth rate: -0.38%.
225,786
Population (2024)
238,315
Population (2010)
238,315
Peak (2010)
-0.38%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 238,315 |
| 2011 | 237,304 |
| 2012 | 235,689 |
| 2013 | 234,431 |
| 2014 | 233,472 |
| 2015 | 231,988 |
| 2016 | 230,263 |
| 2017 | 229,438 |
| 2018 | 228,975 |
| 2019 | 227,510 |
| 2020 | 228,017 |
| 2021 | 226,559 |
| 2022 | 226,104 |
| 2023 | 225,988 |
| 2024 | 225,786 |
Race & Ethnicity
| White | 76.0% |
| Black or African American | 14.3% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.1% |
| Two or More Races | 0.0% |
Age & Sex
43.4
Median Age
51.0%
Female
49.0%
Male
22.0%
Age 65+
Age Distribution
Children (under 15): 16.6% · Seniors (65+): 22.0%
Income & Poverty
| Median household income | $55,576$-14,104 vs state |
| Mean household income | $76,826 |
| Per-capita income | $33,850 |
| Poverty rate | 13.9%+4.7% vs state |
| Unemployment rate | 3.8% |
| Employment-to-population | 55.0% |
Top Industries by Employment
The largest employment sector in Mahoning County is professional & business services, accounting for 26.7% of workers.
How residents commute
1.1%
Drive alone
1.2%
Carpool
80.1%
Public transit
8.7%
Work from home
22.7 min
Avg commute
Housing
$141,100$-58,100 vs state
Median home value
$775
Median rent
70.3%
Homeownership rate
108,077
Total housing units
90.9%
Occupied
9.1%
Vacant
29.7%
Renter-occupied
Social & access
95.2%
With health insurance
91.5%
With broadband internet
17.6%
Foreign-born
7.1%
Veterans (18+)
16.7%
With a disability
93.8%
Speak language other than English at home
Education
91.6%
High School+
26.4%
Bachelor's+
Largest cities in Ohio
Other counties in Ohio
Part of Ohio
Metro areas in Ohio
County rankings
Frequently Asked Questions
Mahoning County, Ohio has a population of 227,063 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 12th-largest county in Ohio. Population density is 552 people per square mile.
The population of Mahoning County has declined 5.3% since 2010 (238,315 → 225,786), a -0.39% annualized rate.
The median household income in Mahoning County, Ohio is $55,576, with mean (average) household income of $76,826 and per-capita income of $33,850. 13.9% of residents live below the federal poverty level.
In Mahoning County, the largest racial and ethnic groups are White (76.0%), Black or African American (14.3%), Hispanic or Latino (1.1%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Mahoning County, Ohio is 43.4 years. Residents are 51.0% female and 49.0% male.
The median home value in Mahoning County is $141,100 and median monthly rent is $775. 70.3% of occupied housing units are owner-occupied. The county has 108,077 total housing units, 9.1% of which are vacant.
The largest employment sector in Mahoning County, Ohio is professional, scientific, and management services, employing 26.7% of workers. The unemployment rate is 3.8%.
Columbus is among the largest cities associated with Mahoning County, Ohio, with a population of 906,480.
Mahoning County, OH Climate
Mahoning County, OH has an average annual temperature of 9.5°C (49°F) and receives about 983 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
9.5°C
Avg Temp
983
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -4° / 25° | 59 mm |
| February | -2° / 28° | 51 mm |
| March | 3° / 37° | 77 mm |
| April | 9° / 48° | 85 mm |
| May | 15° / 58° | 96 mm |
| June | 19° / 67° | 103 mm |
| July | 22° / 71° | 106 mm |
| August | 21° / 69° | 87 mm |
| September | 17° / 63° | 95 mm |
| October | 11° / 51° | 68 mm |
| November | 5° / 41° | 80 mm |
| December | 0° / 31° | 76 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 Mahoning County, OH
The most comfortable months to visit Mahoning 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 Mahoning County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.