Franklin County Map, Ohio

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

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

Map of Franklin County, Ohio

Map of Franklin County, Ohio

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

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About Franklin County, Ohio

Franklin County is a county located in the U.S. state of Ohio. It's county seat is Columbus. As per 2020 census, the population of Franklin County is 1321414 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 539.87 sq mi (1,398 km2). Franklin County was established on -35308.

Franklin County Facts

ContinentNorth America
CountryUnited States
StateOhio
County SeatColumbus
Largest City/TownColumbus
EstablishedApril 30, 1803
Total Area544 sq mi (1,409 sq km)
Land Area532 sq mi (1,378 sq km)
Water Area12 sq mi (31 sq km)
Population1,323,807 (Census 2020)
Population Density2,488 people per sq mi
Time ZoneEastern Time Zone (ET)
Major HighwaysI-70, I-71, I-270, US-23, US-33, US-40, State Route 315
Neighboring CountiesDelaware County, Licking County, Fairfield County, Pickaway County, Madison County, Union County
Famous ForColumbus, Ohio State University, government, business and cultural center
Top AttractionsOhio Statehouse, Columbus Zoo, Franklin Park Conservatory, COSI
Official Websitehttps://commissioners.franklincountyohio.gov/

Cities and Towns in Franklin County, Ohio

  • Columbus (county seat) – 905,748 (Census 2020)
  • Dublin (partly) – 49,328 (Census 2020)
  • Grove City – 41,252 (Census 2020)
  • Westerville (partly) – 39,190 (Census 2020)

Roads and Highways in Franklin County, Ohio

Franklin County has a major highway network centered around Columbus, making it one of the most connected regions in Ohio.

  • I-70 – east-west interstate connecting Columbus to Indianapolis and Pittsburgh
  • I-71 – north-south interstate linking Cleveland, Columbus, and Cincinnati
  • I-270 – outer beltway that circles Columbus and connects suburbs
  • US-23 – runs north-south connecting Columbus to Toledo and southern Ohio
  • US-33 – connects Columbus to Lancaster and southeastern Ohio
  • US-40 – historic east-west route through Columbus
  • State Route 315 – major route running through central Columbus

Neighboring Counties of Franklin County

  • Delaware County (north)
  • Licking County (east)
  • Fairfield County (southeast)
  • Pickaway County (south)
  • Madison County (west)
  • Union County (northwest)

Top Attractions in Franklin County, Ohio

Franklin County is a major cultural and entertainment hub with a wide range of attractions for visitors.

  • Ohio Statehouse – historic government building in downtown Columbus
  • Columbus Zoo and Aquarium – one of the top zoos in the United States
  • Franklin Park Conservatory – botanical gardens with indoor and outdoor exhibits
  • COSI (Center of Science and Industry) – interactive science museum
  • German Village – historic neighborhood with shops and restaurants
  • Scioto Mile – riverfront park system with trails and fountains
  • Easton Town Center – large shopping and entertainment complex
  • Ohio Stadium – home of Ohio State Buckeyes football

Distance from Franklin County to Nearby Cities

  • Franklin County to Cleveland – 140 mi (225 km)
  • Franklin County to Cincinnati – 105 mi (169 km)
  • Franklin County to Dayton – 70 mi (113 km)
  • Franklin County to Toledo – 135 mi (217 km)
  • Franklin County to Pittsburgh – 185 mi (298 km)

FAQs about Franklin County

Where is Franklin County located?

Franklin County is located in central Ohio and includes the state capital, Columbus.

What is Franklin County known for?

It is known for Columbus, Ohio State University, and being a major economic and cultural center.

What is the population of Franklin County?

The population was 1,323,807 according to the 2020 Census.

What is the largest city in Franklin County?

Columbus is the largest city and also the county seat.

What are major attractions in Franklin County?

Major attractions include the Columbus Zoo, COSI, Franklin Park Conservatory, and Ohio Statehouse.