Lake County Map, Ohio

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

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

Map of Lake County, Ohio

Map of Lake County, Ohio

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

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About Lake County, Ohio

Lake County is a county located in the U.S. state of Ohio. It's county seat is Painesville. As per 2020 census, the population of Lake County is 232023 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 228.21 sq mi (591 km2). Lake County was established on -21848.

Lake County Facts

ContinentNorth America
CountryUnited States
StateOhio
County SeatPainesville
Largest City/TownMentor
EstablishedMarch 6, 1840
Total Area979 sq mi (2,536 sq km)
Land Area227 sq mi (588 sq km)
Water Area752 sq mi (1,948 sq km)
Population232,603 (Census 2020)
Population Density1,025 people per sq mi
Time ZoneEastern Time Zone (ET)
Major HighwaysI-90, State Route 2, US-20, State Route 44, State Route 84
Neighboring CountiesCuyahoga County, Geauga County, Ashtabula County
Famous ForLake Erie shoreline, beaches, parks, suburban Cleveland area
Top AttractionsHeadlands Beach State Park, Fairport Harbor Lighthouse, Mentor Lagoons, Holden Arboretum
Official Websitehttps://www.lakecountyohio.gov/

Cities and Towns in Lake County, Ohio

  • Painesville (county seat) – 20,312 (Census 2020)
  • Mentor – 47,450 (Census 2020)
  • Willoughby – 23,959 (Census 2020)
  • Eastlake – 17,670 (Census 2020)

Roads and Highways in Lake County, Ohio

Lake County is well connected by highways that run along Lake Erie and link it to Cleveland and northeastern Ohio.

  • I-90 – major east-west interstate connecting Cleveland to Erie, Pennsylvania
  • State Route 2 – runs along the Lake Erie shoreline connecting cities in the county
  • US-20 – historic east-west route passing through several communities
  • State Route 44 – north-south highway connecting Painesville to Geauga County
  • State Route 84 – connects Mentor to inland communities

Neighboring Counties of Lake County

  • Cuyahoga County (west)
  • Geauga County (south)
  • Ashtabula County (east)

Top Attractions in Lake County, Ohio

Lake County offers lakeside recreation, parks, and cultural attractions along the shores of Lake Erie.

  • Headlands Beach State Park – largest natural beach in Ohio
  • Fairport Harbor Lighthouse – historic lighthouse with museum
  • Mentor Lagoons Nature Preserve – scenic area with trails and wetlands
  • Holden Arboretum – one of the largest arboretums in the United States
  • Lake Metroparks – system of parks with trails and nature centers
  • Historic Kirtland – area known for religious and historical sites
  • Indian Point Park – lakeside park with scenic views
  • Grand River – popular for fishing and boating

Distance from Lake County to Nearby Cities

  • Lake County to Cleveland – 25 mi (40 km)
  • Lake County to Akron – 50 mi (80 km)
  • Lake County to Erie – 70 mi (113 km)
  • Lake County to Youngstown – 60 mi (97 km)
  • Lake County to Columbus – 170 mi (274 km)

FAQs about Lake County

Where is Lake County located?

Lake County is located in northeastern Ohio along the southern shore of Lake Erie.

What is Lake County known for?

It is known for its Lake Erie shoreline, beaches, and parks.

What is the population of Lake County?

The population was 232,603 according to the 2020 Census.

What is the county seat of Lake County?

The county seat is Painesville.

What is the largest city in Lake County?

Mentor is the largest city in the county.