What is the largest city in Mahoning County, OH?

Youngstown is the largest city or town in Mahoning County, with about 59,331 residents.

How many ZIP codes are in Mahoning County?

Mahoning County includes 29 ZIP Code Tabulation Areas, including 44401, 44405, 44406, 44429, 44436.

What is the population of Mahoning County, OH?

About 226,491 people live in Mahoning County, based on American Community Survey 5-year estimates.

What counties border Mahoning County?

Mahoning County borders Stark County, Trumbull County, Portage County, Mercer County, PA, Columbiana County, Lawrence County, PA.

Mahoning County, OH: Cities, ZIP Codes & Local Data

Population

226,491

Land area

411sq mi

People per sq mi

550

ZIP codes

29

Mahoning County at a glance

Mahoning County is 90% denser than Ohio as a whole.
By population, it ranks 13th among 88 counties in Ohio.
The median household income is $56,942, 20% below the Ohio median of $71,389.
A typical owner-occupied home is valued at $154,700 (28% below Ohio) and median rent is $791 a month.
Its largest cities are Youngstown (59,331), Austintown (30,164) and Struthers (9,923).

Local data for Mahoning County, OH

Counts from official public data

Housing and community stats

Mahoning County, OH, American Community Survey 2020-2024

Full profile

Median household income

$56,942

Poverty rate

18.9%

Median home value

$154,700

Prices +6.3% in a year

Median rent

$791/mo

Homeownership

70.3%

Bachelor's or higher

27.0%

Median age

43.2

Average commute

22.5 min

Largest reported origins and ancestries: German Americans (39,332), Italian Americans (37,919), Irish Americans (31,524).

Home values and rents Income, education and commute

Economy and federal money

Jobs, income, federal spending and pandemic loans

Details

Unemployment rate

4.7%

Sep 2026, +0.1 pts in a year

Average annual pay

$53,850

93,307 jobs, 2025

Income per person

$58,371

BEA, 2024

Federal spending

$1.6B

FY 2026, $6,839 per person

PPP loans

$652M

8,351 loans, 81,495 jobs reported

Campaign donations

$1M

Itemized, 2026 cycle

Economy Federal spending PPP loans

How people get to work

Mahoning County, OH, workers 16 and older. American Community Survey 5-year estimates

Drove alone78.9%
Carpooled7.2%
Public transit1.2%
Walked1.4%
Bicycle0.1%
Taxi, ride-hailing, motorcycle or other1.4%
Worked from home9.8%

Average one-way commute: 22.5 minutes for people who do not work from home.

Environment and hazard risk

Mahoning County, OH, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Moderate

Top: hail

Storm events since 1996

484

Most often thunderstorm wind

Flood insurance policies

143

0.1% of homes, county

July high / Jan low

83° / 17°F

40.8 inches of rain a year

Hazards, floods and storm history Check a flood zone 59 historic places

Health statistics

Share of adults in Mahoning County, OH, CDC PLACES estimates

All 40 measures

Obesity

38.6%

U.S. 33.3% +5.3 pts

Diabetes

14.8%

U.S. 12.1% +2.7 pts

Smoking

16.9%

U.S. 12.8% +4.1 pts

Uninsured (18-64)

9.1%

U.S. 11.1% -2.0 pts

Cities, towns and ZIP codes in Mahoning County

Population shown

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Frequently asked questions

What is the largest city in Mahoning County, OH?: Youngstown is the largest city or town in Mahoning County, with about 59,331 residents.
How many ZIP codes are in Mahoning County?: Mahoning County includes 29 ZIP Code Tabulation Areas, including 44401, 44405, 44406, 44429, 44436.
What is the population of Mahoning County, OH?: About 226,491 people live in Mahoning County, based on American Community Survey 5-year estimates.
What counties border Mahoning County?: Mahoning County borders Stark County, Trumbull County, Portage County, Mercer County, PA, Columbiana County, Lawrence County, PA.