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Lake County, Ohio

Lake County, Ohio
Lake County Courthouse
Seal of Lake County, Ohio
Map of Ohio highlighting Lake County
Location in the state of Ohio
Map of the United States highlighting Ohio
Ohio's location in the U.S.
Founded March 6, 1840[1]
Named for Lake Erie
Seat Painesville
Largest city Mentor
 • Total 979 sq mi (2,536 km2)
 • Land 227 sq mi (588 km2)
 • Water 752 sq mi (1,948 km2), 77%
 • (2010) 230,041
 • Density 1,011/sq mi (390/km²)
Congressional district 14th
Time zone Eastern: UTC-5/-4
Website .gov.lakecountyohiowww

Lake County is a county located in the U.S. state of Ohio. As of the 2010 census, the population was 230,041.[2] The county seat is Painesville.[3] The county was established on March 6, 1840, from land given by Cuyahoga and Geauga Counties. Its name is derived from its location on the southern shore of Lake Erie.[4]

Lake County is part of the Cleveland-Elyria, OH Metropolitan Statistical Area.


  • History 1
  • Geography 2
    • Adjacent counties 2.1
    • National protected area 2.2
  • Demographics 3
  • Environment 4
  • Transportation 5
  • Library services 6
  • Politics 7
  • Communities 8
    • Cities 8.1
    • Villages 8.2
    • Townships 8.3
    • Census-designated place 8.4
    • Unincorporated communities 8.5
  • See also 9
  • References 10
  • External links 11


After the discovery of the New World, the land that became Lake County was originally part of the French colony of Canada (New France), which was ceded in 1763 to Great Britain and renamed Province of Quebec. In the late 18th century the land became part of the Connecticut Western Reserve in the Northwest Territory, then was purchased by the Connecticut Land Company in 1795.


According to the U.S. Census Bureau, the county has a total area of 979 square miles (2,540 km2), of which 227 square miles (590 km2) is land and 752 square miles (1,950 km2) (77%) is water.[5] It is the smallest county in Ohio by land area but the third-largest by total area. It borders Ontario across Lake Erie.

Adjacent counties

National protected area


In 2010, 92.4% spoke English, 2.7% Spanish, and 1.4% Serbo-Croatian.[11]

As of the census[12] of 2000, there were 227,511 people, 89,700 households, and 62,520 families residing in the county. The population density was 997 people per square mile (385/km²). There were 93,487 housing units at an average density of 410 per square mile (158/km²). The racial makeup of the county was 95.40% White, 1.99% Black or African American, 0.11% Native American, 0.90% Asian, 0.02% Pacific Islander, 0.66% from other races, and 0.92% from two or more races. 1.70% of the population were Hispanic or Latino of any race. 18.5% were of German, 14.6% Italian, 12.7% Irish, 8.1% English, 6.2% Polish, 5.7% American and 5.4% Slovene ancestry according to Census 2000. 93.6% spoke English, 1.9% Spanish, and 0.8% Croatian as their first language.[11]

There were 89,700 households out of which 31.10% had children under the age of 18 living with them, 56.10% were married couples living together, 10.00% had a female householder with no husband present, and 30.30% were non-families. 25.60% of all households were made up of individuals and 9.80% had someone living alone who was 65 years of age or older. The average household size was 2.50 and the average family size was 3.03.

In the county, the population was spread out with 24.20% under the age of 18, 7.30% from 18 to 24, 29.70% from 25 to 44, 24.70% from 45 to 64, and 14.10% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 94.50 males. For every 100 females age 18 and over, there were 91.50 males.

The median income for a household in the county was $48,763, and the median income for a family was $57,134. Males had a median income of $40,916 versus $28,434 for females. The per capita income for the county was $23,160. About 3.50% of families and 5.10% of the population were below the poverty line, including 6.50% of those under age 18 and 5.40% of those age 65 or over.


Scorecard[13] ranks Lake County among the worst 10% of counties in the U.S. in terms of cancer risk, developmental and reproductive toxicants, and other categories as well; this is comparable with most major cities and densely populated areas.

Lake County has a large public park system. Kirtland is home to the Holden Arboretum and the location of Gildersleeve Mountain. Headlands Beach State Park is located in Mentor. The Grand River is a state wild and scenic river and the Chagrin River is a state scenic river.


Laketran is the transit agency servicing Lake County. Interstate 90 runs northeast/southwest through Lake County, roughly parallel to State Route 2; together these roads make up the major traffic arteries in the county. There is currently no passenger rail service in Lake County.

Library services

Lake County is served by the following libraries:


Lake County is known as a "purple" or "swing county within the state. A 2008 analysis of Ohio presidential election results from 1960 to 2004 found that no other county more closely follows the statewide Ohio voting pattern.[16] Lake County doesn't always vote with the winner, but consistently is closer to the winner's Ohio vote percentage than any other Ohio county.


Map of Lake County, Ohio with Municipal and Township Labels




Census-designated place

Unincorporated communities

See also


  1. ^ "Ohio County Profiles: Lake County" (PDF). Ohio Department of Development. Retrieved 2007-04-28. 
  2. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved February 8, 2015. 
  3. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  4. ^ "Lake County data".  
  5. ^ "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Retrieved February 8, 2015. 
  6. ^ "Annual Estimates of the Resident Population for Incorporated Places: April 1, 2010 to July 1, 2014". Retrieved June 4, 2015. 
  7. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved February 8, 2015. 
  8. ^ "Historical Census Browser". University of Virginia Library. Retrieved February 8, 2015. 
  9. ^ Forstall, Richard L., ed. (March 27, 1995). "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved February 8, 2015. 
  10. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. April 2, 2001. Retrieved February 8, 2015. 
  11. ^ a b
  12. ^ "American FactFinder".  
  13. ^
  14. ^ "HAPLR Top Ten by Population". HAPLR Index. 
  15. ^ a b "2005 Ohio Public Library Statistics:Statistics by County and Town". State Library of Ohio. Retrieved October 28, 2006. 
  16. ^ Exner, Rich (August 19, 2008). "Ohio's presidential election bellwether: Lake County". Cleveland Plain Dealer. Retrieved June 24, 2012. 

External links

  • Official website
  • Willoughby-Eastlake Public Library website

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