Lake County Map, Illinois

Written and Fact-checked by | Updated On: April 26, 2026 | 14:30 ET

Map of Lake County - Lake County is a county located in the U.S. state of Illinois. 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.

Lake County Map, Illinois

Lake County Map, Illinois

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

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Lake County, Illinois

Lake County is a county located in the U.S. state of Illinois. It's county seat is Waukegan. As per 2020 census, the population of Lake County is 711239 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 443 sq mi (1,147 km2). Lake County was established on 1839.

Facts about Lake County, Illinois

CountryUnited States
StateIllinois
RegionNortheastern Illinois
County SeatWaukegan
Named AfterLake Michigan
Established1839
Organized1839
Coordinates42.33° N, 87.83° W
Total Area~1,368 sq mi
Land Area~444 sq mi
Water Area~924 sq mi
Population (2020)~714,342
Population RankThird most populous county in Illinois
Largest CityWaukegan
Main IndustriesManufacturing, Healthcare, Technology, Defense, Retail
Major Water BodyLake Michigan
Time ZoneCentral Time (UTC−06:00)
Known ForLake Michigan shoreline, forest preserves, Chicago suburbs
Websitehttps://www.lakecountyil.gov

Ctities in Lake county

City NameTypePopulation (2020)Pop. DensityArea
BarringtonVillage10,7222,326.8/sq mi (898.4/km2)4.608 sq mi (11.93 km2)
Buffalo GroveVillage43,2124,518.7/sq mi (1,744.7/km2)9.563 sq mi (24.77 km2)
Barrington HillsVillage4,114152.3/sq mi (58.8/km2)27.004 sq mi (69.94 km2)
AntiochVillage14,6221,780.3/sq mi (687.4/km2)8.213 sq mi (21.27 km2)
BannockburnVillage1,013499.5/sq mi (192.9/km2)2.028 sq mi (5.25 km2)
Beach ParkVillage14,2492,012.9/sq mi (777.2/km2)7.079 sq mi (18.33 km2)
GrayslakeVillage21,2481,949.4/sq mi (752.7/km2)10.9 sq mi (28.23 km2)
Green OaksVillage4,1281,035.9/sq mi (400.0/km2)3.985 sq mi (10.32 km2)
GurneeVillage30,7062,274.0/sq mi (878.0/km2)13.503 sq mi (34.97 km2)
HainesvilleVillage3,5461,919.9/sq mi (741.3/km2)1.847 sq mi (4.78 km2)
Hawthorn WoodsVillage9,0621,126.3/sq mi (434.9/km2)8.046 sq mi (20.84 km2)
Highland ParkCity30,1762,465.2/sq mi (951.8/km2)12.241 sq mi (31.7 km2)
HighwoodCity5,0747,037.4/sq mi (2,717.2/km2)0.721 sq mi (1.87 km2)
Indian CreekVillage5362,007.5/sq mi (775.1/km2)0.267 sq mi (0.69 km2)
KildeerVillage4,091967.1/sq mi (373.4/km2)4.23 sq mi (10.96 km2)
Lake BarringtonVillage5,100889.1/sq mi (343.3/km2)5.736 sq mi (14.86 km2)
Lake BluffVillage5,6161,378.2/sq mi (532.1/km2)4.075 sq mi (10.55 km2)
Lake ForestCity19,3671,126.0/sq mi (434.7/km2)17.2 sq mi (44.55 km2)
Lake VillaVillage8,7411,341.7/sq mi (518.0/km2)6.515 sq mi (16.87 km2)
Lake ZurichVillage19,7592,877.0/sq mi (1,110.8/km2)6.868 sq mi (17.79 km2)
LibertyvilleVillage20,5792,336.4/sq mi (902.1/km2)8.808 sq mi (22.81 km2)
LincolnshireVillage7,9401,741.6/sq mi (672.4/km2)4.559 sq mi (11.81 km2)
LindenhurstVillage14,4063,182.2/sq mi (1,228.7/km2)4.527 sq mi (11.72 km2)
Long GroveVillage8,366675.4/sq mi (260.8/km2)12.387 sq mi (32.08 km2)
MettawaVillage53397.8/sq mi (37.8/km2)5.449 sq mi (14.11 km2)
MundeleinVillage31,5603,292.6/sq mi (1,271.3/km2)9.585 sq mi (24.83 km2)
North BarringtonVillage3,171673.0/sq mi (259.8/km2)4.712 sq mi (12.2 km2)
North ChicagoCity30,7593,848.2/sq mi (1,485.8/km2)7.993 sq mi (20.7 km2)
Old Mill CreekVillage16215.2/sq mi (5.9/km2)10.671 sq mi (27.64 km2)
Park CityCity7,8856,815.0/sq mi (2,631.3/km2)1.157 sq mi (3 km2)
RiverwoodsVillage3,790955.4/sq mi (368.9/km2)3.967 sq mi (10.27 km2)
Round LakeVillage18,7213,368.9/sq mi (1,300.7/km2)5.557 sq mi (14.39 km2)
Round Lake BeachVillage27,2525,402.9/sq mi (2,086.1/km2)5.044 sq mi (13.06 km2)
Round Lake HeightsVillage2,6224,560.0/sq mi (1,760.6/km2)0.575 sq mi (1.49 km2)
Round Lake ParkVillage7,6803,722.7/sq mi (1,437.4/km2)2.063 sq mi (5.34 km2)
Third LakeVillage1,1111,895.9/sq mi (732.0/km2)0.586 sq mi (1.52 km2)
Tower LakesVillage1,2261,334.1/sq mi (515.1/km2)0.919 sq mi (2.38 km2)
Vernon HillsVillage26,8503,468.5/sq mi (1,339.2/km2)7.741 sq mi (20.05 km2)
VoloVillage6,1221,563.7/sq mi (603.8/km2)3.915 sq mi (10.14 km2)
WadsworthVillage3,517356.8/sq mi (137.8/km2)9.857 sq mi (25.53 km2)
WaucondaVillage14,0842,776.8/sq mi (1,072.1/km2)5.072 sq mi (13.14 km2)
WaukeganCity89,3213,687.1/sq mi (1,423.6/km2)24.225 sq mi (62.74 km2)
Winthrop HarborVillage6,7051,446.0/sq mi (558.3/km2)4.637 sq mi (12.01 km2)
ZionCity24,6552,489.4/sq mi (961.2/km2)9.904 sq mi (25.65 km2)
DeerfieldVillage19,1963,472.5/sq mi (1,340.7/km2)5.528 sq mi (14.32 km2)
Deer ParkVillage3,6811,007.4/sq mi (389.0/km2)3.654 sq mi (9.46 km2)
Fox LakeVillage10,9781,401.5/sq mi (541.1/km2)7.833 sq mi (20.29 km2)
Island LakeVillage8,0512,404.7/sq mi (928.5/km2)3.348 sq mi (8.67 km2)
Fox River GroveVillage4,7022,748.1/sq mi (1,061.0/km2)1.711 sq mi (4.43 km2)
LakemoorVillage6,1821,174.6/sq mi (453.5/km2)5.263 sq mi (13.63 km2)
Port BarringtonVillage1,5841,365.5/sq mi (527.2/km2)1.16 sq mi (3 km2)

Roads and Highways in Lake County, Illinois

Lake County is served by a dense network of highways that connect it to Chicago, Wisconsin, and the surrounding suburbs.

  • Interstate 94 – runs north-south, connecting Waukegan to Chicago and Milwaukee
  • Interstate 294 – runs along the western side, linking the county to Chicago’s western suburbs
  • U.S. Route 41 – runs north-south along the Lake Michigan shoreline, connecting Waukegan to Chicago
  • U.S. Route 45 – runs north-south, linking the county to Cook County and Wisconsin
  • Illinois Route 120 – runs east-west, connecting Waukegan to McHenry and the Fox Lake area
  • Illinois Route 132 – provides access to Gurnee and major shopping destinations

Neighboring Counties of Lake County

  • McHenry County (west)
  • Cook County (south)
  • Kenosha County, Wisconsin (north)

Top Attractions in Lake County, Illinois

Lake County offers a mix of lakefront scenery, entertainment, shopping, and outdoor recreation.

  • Six Flags Great America – A major amusement park with rides, shows, and family attractions.
  • Illinois Beach State Park – Offers beaches, dunes, hiking trails, and scenic Lake Michigan views.
  • Gurnee Mills – A large outlet shopping center with retail, dining, and entertainment options.
  • Chain O’Lakes State Park – A popular destination for boating, fishing, and camping.
  • Ravinia Festival – A well-known outdoor music venue hosting concerts and events.
  • Volo Auto Museum – Features classic cars and unique exhibits.
  • Waukegan Harbor and Marina – A scenic waterfront area with boating and lake views.

Distance from Lake County to Nearby Cities

  • Waukegan to Chicago – 40 mi (64 km)
  • Waukegan to Milwaukee – 55 mi (89 km)
  • Waukegan to Rockford – 75 mi (121 km)
  • Waukegan to Kenosha – 15 mi (24 km)
  • Waukegan to Joliet – 70 mi (113 km)

FAQs about Lake County

Where is Lake County located?

Lake County is located in northeastern Illinois along Lake Michigan, north of Chicago.

What is Lake County known for?

The county is known for its lakefront attractions, amusement parks, shopping centers, and outdoor recreation.

What is the county seat of Lake County?

Waukegan is the county seat and a major city in Lake County.

Are there outdoor activities in Lake County?

Yes, visitors can enjoy beaches, parks, lakes, trails, and outdoor recreation throughout the county.

How can I reach Lake County?

Lake County is accessible via Interstates 94 and 294, U.S. Routes 41 and 45, and several Illinois state highways.

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