Trumbull County Map, Ohio

Written and Fact-checked by | Updated On: April 30, 2026 | 13:31 ET

Map of Trumbull County - Trumbull County is a county located in the U.S. state of Ohio. Trumbull County Map showing cities, highways, important places and water bodies. Get Where is Trumbull County located in the map, major cities in Trumbull county, population, areas, and places of interest.

Map of Trumbull County, Ohio

Map of Trumbull County, Ohio

About Trumbull County Map, Ohio: The map showing the county boundary, county seat, major cities, highways, water bodies and neighbouring counties.

Ohio More Maps & Info

Ohio MapOhio County MapOhio Cities Map
Ohio ZipcodesWhere is OhioWhere is Akron
Ohio Area CodesOhio Blank MapOhio River Map
Ohio Physical MapOhio Road MapWhere is Cincinnati
Where is Cleveland/a>Where is ColumbusWhere is Toledo

About Trumbull County, Ohio

Trumbull County is a county located in the U.S. state of Ohio. It's county seat is Warren. As per 2020 census, the population of Trumbull County is 201335 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 616.48 sq mi (1,597 km2). Trumbull County was established on -36332.

Trumbull County Facts

ContinentNorth America
CountryUnited States
StateOhio
County SeatWarren
Largest City/TownWarren
EstablishedJuly 10, 1800
Total Area637 sq mi (1,650 sq km)
Land Area625 sq mi (1,619 sq km)
Water Area12 sq mi (31 sq km)
Population201,977 (Census 2020)
Population Density323 people per sq mi
Time ZoneEastern Time Zone (ET)
Major HighwaysI-80 (Ohio Turnpike), I-76, State Route 11, US-422, State Route 5
Neighboring CountiesAshtabula County, Geauga County, Portage County, Mahoning County, Mercer County (PA)
Famous ForManufacturing history, Mosquito Lake, industrial heritage
Top AttractionsMosquito Lake State Park, National Packard Museum, Trumbull Art Gallery, Eastwood Mall Complex
Official Websitehttps://www.co.trumbull.oh.us/

Cities and Towns in Trumbull County, Ohio

  • Warren (county seat) – 39,201 (Census 2020)
  • Niles – 18,443 (Census 2020)
  • Girard – 9,137 (Census 2020)
  • Hubbard – 7,558 (Census 2020)

Roads and Highways in Trumbull County, Ohio

Trumbull County is well connected by highways that provide access to northeastern Ohio and western Pennsylvania.

  • I-80 (Ohio Turnpike) – major east-west toll road across northern Ohio
  • I-76 – connects the county to Akron and Pennsylvania
  • State Route 11 – north-south highway linking the county to Youngstown and Ashtabula
  • US-422 – runs east-west through Warren and connects to Cleveland and Pennsylvania
  • State Route 5 – connects Warren to Youngstown and surrounding areas

Neighboring Counties of Trumbull County

  • Ashtabula County (north)
  • Geauga County (west)
  • Portage County (southwest)
  • Mahoning County (south)
  • Mercer County, Pennsylvania (east)

Top Attractions in Trumbull County, Ohio

Trumbull County offers a mix of outdoor recreation, history, and cultural attractions.

  • Mosquito Lake State Park – popular for boating, fishing, and camping
  • National Packard Museum – showcases classic automobiles and history
  • Trumbull Art Gallery – features local and regional artwork
  • Eastwood Mall Complex – major shopping and entertainment destination
  • Warren Historic District – downtown area with historic architecture
  • Packard Park – scenic park with walking trails and green space
  • Hubbard parks – community parks with recreational facilities
  • Girard community area – small-town charm with local events

Distance from Trumbull County to Nearby Cities

  • Trumbull County to Youngstown – 15 mi (24 km)
  • Trumbull County to Cleveland – 55 mi (89 km)
  • Trumbull County to Akron – 50 mi (80 km)
  • Trumbull County to Pittsburgh – 70 mi (113 km)
  • Trumbull County to Columbus – 160 mi (257 km)

FAQs about Trumbull County

Where is Trumbull County located?

Trumbull County is located in northeastern Ohio.

What is Trumbull County known for?

It is known for its manufacturing history, Mosquito Lake, and industrial heritage.

What is the population of Trumbull County?

The population was 201,977 according to the 2020 Census.

What is the county seat of Trumbull County?

The county seat is Warren.

Are there attractions in Trumbull County?

Yes, the county offers parks, museums, and shopping destinations.