What is the largest city in Trumbull County, OH?

Warren is the largest city or town in Trumbull County, with about 38,912 residents.

How many ZIP codes are in Trumbull County?

Trumbull County includes 25 ZIP Code Tabulation Areas, including 44402, 44403, 44404, 44410, 44417.

What is the population of Trumbull County, OH?

About 200,929 people live in Trumbull County, based on American Community Survey 5-year estimates.

What counties border Trumbull County?

Trumbull County borders Mahoning County, Portage County, Mercer County, PA, Ashtabula County, Geauga County, Crawford County, PA.

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

Population

200,929

Land area

618sq mi

People per sq mi

325

ZIP codes

25

Trumbull County at a glance

It is the 15th most populous of 88 counties in Ohio.
Households here earn a median of $56,435 a year, 21% less than the Ohio figure of $71,389.
A typical owner-occupied home is valued at $141,800 (34% below Ohio) and median rent is $797 a month.
The biggest population centers are Warren (38,912), Niles (18,287) and Girard (9,505).

Local data for Trumbull County, OH

Counts from official public data

Housing and community stats

Trumbull County, OH, American Community Survey 2020-2024

Full profile

Median household income

$56,435

Poverty rate

16.6%

Median home value

$141,800

Prices +5.1% in a year

Median rent

$797/mo

Homeownership

71.3%

Bachelor's or higher

20.9%

Median age

43.7

Average commute

23.4 min

Largest reported origins and ancestries: German Americans (30,703), Irish Americans (22,643), Italian Americans (20,933).

Home values and rents Income, education and commute

Economy and federal money

Jobs, income, federal spending and pandemic loans

Details

Unemployment rate

4.8%

Sep 2026, -0.2 pts in a year

Average annual pay

$53,596

65,092 jobs, 2025

Income per person

$52,479

BEA, 2024

Federal spending

$1.4B

FY 2026, $6,871 per person

PPP loans

$379M

4,030 loans, 46,879 jobs reported

Campaign donations

$1.1M

Itemized, 2026 cycle

Economy Federal spending PPP loans

How people get to work

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

Drove alone81.1%
Carpooled8.8%
Public transit0.5%
Walked1.3%
Bicycle0.1%
Taxi, ride-hailing, motorcycle or other1.5%
Worked from home6.6%

Average one-way commute: 23.4 minutes for people who do not work from home.

Environment and hazard risk

Trumbull County, OH, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Moderate

Top: strong wind

Storm events since 1996

746

Most often thunderstorm wind

Flood insurance policies

298

0.4% of homes, county

July high / Jan low

82° / 18°F

42.7 inches of rain a year

Hazards, floods and storm history Check a flood zone 29 historic places

Health statistics

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

All 40 measures

Obesity

39.7%

U.S. 33.3% +6.4 pts

Diabetes

15.5%

U.S. 12.1% +3.4 pts

Smoking

18.4%

U.S. 12.8% +5.6 pts

Uninsured (18-64)

8.7%

U.S. 11.1% -2.4 pts

Cities, towns and ZIP codes in Trumbull County

Population shown

Frequently asked questions

What is the largest city in Trumbull County, OH?: Warren is the largest city or town in Trumbull County, with about 38,912 residents.
How many ZIP codes are in Trumbull County?: Trumbull County includes 25 ZIP Code Tabulation Areas, including 44402, 44403, 44404, 44410, 44417.
What is the population of Trumbull County, OH?: About 200,929 people live in Trumbull County, based on American Community Survey 5-year estimates.
What counties border Trumbull County?: Trumbull County borders Mahoning County, Portage County, Mercer County, PA, Ashtabula County, Geauga County, Crawford County, PA.