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Welcome to Lake County ...

Time Zone: Lake County lies in the Central Time Zone (CST/CDT) and observes daylight saving time.

The community of Waukegan is the Seat for Lake County.

Lake County was founded in 1839 and was created by taking area from McHenry County.

From the Census Estimates for 2019, <1> Lake had a population of 696,535 people. This is a decrease of 1.08% since the last Census (which gave a population of 704,170 people in 2010).

At the time of the 2010 Census, Lake represented 5.49% of the total population of Illinois.

Below are some of the communities located in Lake County:

  • Antioch
    (11 miles [17.7 km] to the north)
    • Antioch is located in Lake County (IL)
    • Jump to our Gazetteer entry for Antioch
    • Population from the 2020 Census: 14,174 people
    • Jump to TripAdvisor's Tourism page for Antioch <2>
  • Bannockburn
    (10 miles [16.1 km] to the southeast)
  • Beach Park
    (10 miles [16.1 km] to the northeast)
  • Buffalo Grove
    (11 miles [17.7 km] to the south)
  • Deer Park
    (11 miles [17.7 km] to the southwest)
  • Deerfield
    (12 miles [19.3 km] to the southeast)
  • Fox Lake
    (12 miles [19.3 km] to the northwest)
  • Grayslake
    (3 miles [4.8 km] to the northwest)
  • Continue List   (38 more) ...
    • Green Oaks
      (3 miles [4.8 km] to the east)
    • Gurnee
      (5 miles [8 km] to the northeast)
      • Gurnee is located in Lake County (IL)
      • Jump to our Gazetteer entry for Gurnee
      • Population from the 2020 Census: 30,168 people
      • Jump to TripAdvisor's Tourism page for Gurnee <2>
    • Hainesville
      (4 miles [6.4 km] to the northwest)
    • Hawthorn Woods
      (6 miles [9.7 km] to the southwest)
    • Highland Park
      (12 miles [19.3 km] to the southeast)
    • Highwood
      (11 miles [17.7 km] to the southeast)
    • Indian Creek
      (5 miles [8 km] to the south)
      • Indian Creek is located in Lake County (IL)
      • Jump to our Gazetteer entry for Indian Creek
      • Population from the 2020 Census: 538 people
    • Kildeer
      (9 miles [14.5 km] to the south)
    • Lake Barrington
      (11 miles [17.7 km] to the southwest)
      • Lake Barrington is located in Lake County (IL)
      • Jump to our Gazetteer entry for Lake Barrington
      • Population from the 2020 Census: 4,840 people
    • Lake Bluff
      (7 miles [11.3 km] to the east)
    • Lake Forest
      (8 miles [12.9 km] to the southeast)
    • Lake Villa
      (8 miles [12.9 km] to the northwest)
      • Lake Villa is located in Lake County (IL)
      • Jump to our Gazetteer entry for Lake Villa
      • Population from the 2020 Census: 8,525 people
    • Lake Zurich
      (9 miles [14.5 km] to the southwest)
    • Libertyville
      (2 miles [3.2 km] to the southeast)
    • Lincolnshire
      (8 miles [12.9 km] to the southeast)
    • Lindenhurst
      (7 miles [11.3 km] to the north)
      • Lindenhurst is located in Lake County (IL)
      • Jump to our Gazetteer entry for Lindenhurst
      • Population from the 2020 Census: 14,117 people
      • Lindenhurst has also been known as:
      • Lindenhurst village
      • Jump to TripAdvisor's Tourism page for Lindenhurst <2>
    • Long Grove
      (8 miles [12.9 km] to the south)
    • Mettawa
      (5 miles [8 km] to the southeast)
    • Mundelein
      (3 miles [4.8 km] to the south)
    • North Barrington
      (10 miles [16.1 km] to the southwest)
      • North Barrington is located in Lake County (IL)
      • Jump to our Gazetteer entry for North Barrington
      • Population from the 2020 Census: 2,938 people
    • North Chicago
      (7 miles [11.3 km] to the east)
      • North Chicago is located in Lake County (IL)
      • Jump to our Gazetteer entry for North Chicago
      • Population from the 2020 Census: 29,639 people
    • Old Mill Creek
      (8 miles [12.9 km] to the north)
    • Park City
      (5 miles [8 km] to the northeast)
      • Park City is located in Lake County (IL)
      • Jump to our Gazetteer entry for Park City
      • Population from the 2020 Census: 7,428 people
    • Port Barrington
      (11 miles [17.7 km] to the southwest)
      • Port Barrington is located in Lake County (IL)
      • Jump to our Gazetteer entry for Port Barrington
      • Population from the 2020 Census: 1,481 people
      • Port Barrington has also been known as:
      • Port Barrington village
    • Riverwoods
      (10 miles [16.1 km] to the southeast)
    • Round Lake
      (6 miles [9.7 km] to the west)
    • Round Lake Beach
      (6 miles [9.7 km] to the northwest)
    • Round Lake Heights
      (7 miles [11.3 km] to the northwest)
    • Round Lake Park
      (5 miles [8 km] to the northwest)
    • Third Lake
      (4 miles [6.4 km] to the north)
    • Tower Lakes
      (10 miles [16.1 km] to the southwest)
      • Tower Lakes is located in Lake County (IL)
      • Jump to our Gazetteer entry for Tower Lakes
      • Population from the 2020 Census: 1,219 people
    • Vernon Hills
      (5 miles [8 km] to the south)
    • Volo
      (9 miles [14.5 km] to the west)
      • Volo is located in Lake County (IL)
      • Jump to our Gazetteer entry for Volo
      • Population from the 2020 Census: 6,042 people
      • Jump to TripAdvisor's Tourism page for Volo <2>
    • Wadsworth
      (8 miles [12.9 km] to the northeast)
    • Wauconda
      (8 miles [12.9 km] to the southwest)
    • Waukegan
      (8 miles [12.9 km] to the northeast)
    • Winthrop Harbor
      (13 miles [20.9 km] to the northeast)
    • Zion
      (11 miles [17.7 km] to the northeast)
      • Zion is located in Lake County (IL)
      • Jump to our Gazetteer entry for Zion
      • Population from the 2020 Census: 23,321 people
      • Jump to TripAdvisor's Tourism page for Zion <2>

Websites of Interest ...

Footnotes ...

<1>On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2010 Census and the next count will be for the 2020 Census.
<2>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.