Warren County Map, Ohio

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

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

Map of Warren County, Ohio

Map of Warren County, Ohio

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

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About Warren County, Ohio

Warren County is a county located in the U.S. state of Ohio. It's county seat is Lebanon. As per 2020 census, the population of Warren County is 246553 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 399.63 sq mi (1,035 km2). Warren County was established on -35307.

Warren County Facts

ContinentNorth America
CountryUnited States
StateOhio
County SeatLebanon
Largest City/TownSpringboro
EstablishedMay 1, 1803
Total Area407 sq mi (1,054 sq km)
Land Area402 sq mi (1,041 sq km)
Water Area5.2 sq mi (13.5 sq km)
Population242,337 (Census 2020)
Population Density603 people per sq mi
Time ZoneEastern Time Zone (ET)
Major HighwaysI-71, I-75, US-42, US-22, State Route 48
Neighboring CountiesMontgomery County, Butler County, Clermont County, Clinton County, Greene County, Hamilton County
Famous ForAmusement parks nearby, Kings Island, rapid suburban growth
Top AttractionsKings Island, Lebanon Mason Monroe Railroad, Caesar Creek State Park, Warren County Historical Society
Official Websitehttps://www.co.warren.oh.us/

Cities and Towns in Warren County, Ohio

  • Lebanon (county seat) – 20,841 (Census 2020)
  • Springboro – 19,062 (Census 2020)
  • Mason – 36,841 (Census 2020)
  • Franklin – 12,786 (Census 2020)

Roads and Highways in Warren County, Ohio

Warren County is a major transportation hub in southwestern Ohio with strong interstate access.

  • I-71 – connects Cincinnati to Columbus, passing through the county
  • I-75 – major north-south interstate near the western edge of the county
  • US-42 – runs through Lebanon and connects to Cincinnati and Xenia
  • US-22 – east-west route linking Lebanon to Columbus region
  • State Route 48 – connects Lebanon to Dayton and surrounding areas

Neighboring Counties of Warren County

  • Clinton County (east)
  • Greene County (northeast)
  • Montgomery County (north)
  • Butler County (west)
  • Hamilton County (southwest)
  • Clermont County (south)

Top Attractions in Warren County, Ohio

Warren County offers major attractions, parks, and historic sites.

  • Kings Island – large amusement park with roller coasters and entertainment
  • Caesar Creek State Park – popular for boating, hiking, and camping
  • Lebanon Mason Monroe Railroad – historic scenic train rides
  • Warren County Historical Society – museum showcasing local history
  • Armco Park – recreational park with lake and trails
  • Downtown Lebanon – historic district with shops and restaurants
  • Little Miami Scenic Trail – biking and walking trail
  • Fort Ancient Earthworks nearby – UNESCO World Heritage site

Distance from Warren County to Nearby Cities

  • Warren County to Cincinnati – 30 mi (48 km)
  • Warren County to Dayton – 25 mi (40 km)
  • Warren County to Columbus – 75 mi (121 km)
  • Warren County to Springfield – 35 mi (56 km)
  • Warren County to Lexington, KY – 90 mi (145 km)

FAQs about Warren County

Where is Warren County located?

Warren County is located in southwestern Ohio between Cincinnati and Dayton.

What is Warren County known for?

It is known for Kings Island, rapid suburban growth, and major transportation routes.

What is the population of Warren County?

The population was 242,337 according to the 2020 Census.

What is the county seat of Warren County?

The county seat is Lebanon.

Are there attractions in Warren County?

Yes, the county offers amusement parks, state parks, trails, and historic sites.