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Lake County, Illinois

Lake County, Illinois · ZIP 60002, 60010, 60013

  • Census data · ACS 2019-2023
Browse the 72 townsFind my townSponsor a town here
  • 718,604 (2024 estimate)Population
  • 256,660Households
  • $108,917Median household income
  • $326,600Median home value
  • 72Towns with a page
  • 34ZIP codes

Lake County in numbersOfficial sources, refreshed yearly

Population, 2000 to 2020+10.9%
625k650k675k700k725k2000: 644,35620002010: 703,46220102020: 714,3422020644,356714,342
Population of Lake County at each census
CensusPopulation
2000644,356
2010703,462
2020714,342

As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.

Sources: Census 2000 Summary File 1: total population, county level, state 17, retrieved November 14, 2026; Census 2010 Summary File 1: total population, county level, state 17, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, county level, state 17, retrieved November 14, 2026.

Household income in Lake County
Under $50k21.8%
$50k to $100k24.2%
$100k to $150k18.9%
$150k to $200k12.2%
$200k and over22.9%

Median household income $108,917 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.

Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, county level, state 17, retrieved November 14, 2026.

Housing tenure in Lake County
Owner occupied
190,963 units
Renter occupied
65,697 units
Vacancy rate
5%

Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.

Source: American Community Survey 5-year data profile 2019–2023, county level, state 17, retrieved November 14, 2026.

Jobs by sector in Lake County2023
Professional, scientific, and technical services43,924
Wholesale trade40,861
Health care and social assistance39,442
Retail trade33,701
Manufacturing31,261
Management of companies and enterprises29,773
Accommodation and food services27,680
Administrative and support and waste management and remediation services21,001

337,069 employees in 20,076 establishments with payroll in 2023, all sectors; employers themselves are not named in the source. County Business Patterns counts are published with noise.

Source: County Business Patterns 2023: employment by sector, county level, state 17, retrieved November 14, 2026.

Lake County compared with its state
Lake County compared with its state, American Community Survey 2019-2023
MeasureLake CountyIllinois
Population711,88512,692,653
Median household income$108,917$81,702
Median age38.938.9
Median home value$326,600$250,500
Bachelor’s degree or higher47.0%37.2%
Foreign-born residents19.5%14.4%
Owner-occupied homes74.4%66.8%
Mean commute to work28.8 minutes28.1 minutes

Source: American Community Survey 5-year data profile 2019–2023, county level, state 17, retrieved November 14, 2026.

Townships, towns and villages in Lake County72 with a page · sort by any column

Type
Waukegan TownshipTownship89,64321.2 sq mi
WaukeganCity88,57024.3 sq mi
Vernon TownshipTownship71,81635.8 sq mi
Warren TownshipTownship65,66135.9 sq mi
Avon TownshipTownship63,61122.4 sq mi
Libertyville TownshipTownship54,67435.4 sq mi
Ela TownshipTownship46,38034.4 sq mi
Buffalo GroveVillage43,0729.57 sq mi
Lake Villa TownshipTownship39,93622.8 sq mi
Shields TownshipTownship37,71517.8 sq mi
Moraine TownshipTownship34,77311.9 sq mi
Fremont TownshipTownship34,11134.2 sq mi
MundeleinVillage32,64110.9 sq mi
West Deerfield TownshipTownship31,78617.8 sq mi
Highland ParkCity30,79412.2 sq mi
North ChicagoCity30,6398.00 sq mi
GurneeVillage30,54613.5 sq mi
Grant TownshipTownship28,55717.6 sq mi
Antioch TownshipTownship27,94634.8 sq mi
Round Lake BeachVillage27,0915.05 sq mi
Vernon HillsVillage27,0027.74 sq mi
ZionCity24,5839.94 sq mi
Wauconda TownshipTownship24,37322.8 sq mi
GrayslakeVillage21,26210.9 sq mi
LibertyvilleVillage20,6438.81 sq mi
Lake ZurichVillage19,9606.92 sq mi
Lake ForestCity19,64217.2 sq mi
DeerfieldVillage19,1385.54 sq mi
Benton TownshipTownship18,89514.2 sq mi
Round LakeVillage18,6545.56 sq mi
Cuba TownshipTownship17,33822.8 sq mi
AntiochVillage15,1088.28 sq mi
LindenhurstVillage14,5644.53 sq mi
Beach ParkVillage14,2127.08 sq mi
WaucondaVillage14,0555.07 sq mi
Fox LakeVillage10,9257.83 sq mi
Gages LakeCensus designated place10,7062.98 sq mi
Hawthorn WoodsVillage9,5848.27 sq mi
Lake VillaVillage8,7376.53 sq mi
Long GroveVillage8,39312.4 sq mi
LincolnshireVillage8,0084.57 sq mi
Park CityCity7,9401.16 sq mi
Round Lake ParkVillage7,8362.07 sq mi
VoloVillage7,3614.12 sq mi
Newport TownshipTownship6,80631.9 sq mi
Winthrop HarborVillage6,5654.65 sq mi
Lake BluffVillage5,6004.08 sq mi
HighwoodCity5,3580.72 sq mi
Grandwood ParkCensus designated place5,3111.44 sq mi
Lake BarringtonVillage5,1605.74 sq mi
KildeerVillage4,5544.31 sq mi
Green OaksVillage4,1074.00 sq mi
RiverwoodsVillage3,7843.97 sq mi
Deer ParkVillage3,6693.67 sq mi
HainesvilleVillage3,5321.85 sq mi
WadsworthVillage3,5029.84 sq mi
Long LakeCensus designated place3,2191.18 sq mi
North BarringtonVillage3,1424.72 sq mi
Venetian VillageCensus designated place2,7041.77 sq mi
Round Lake HeightsVillage2,5990.58 sq mi
Fox Lake HillsCensus designated place2,3041.27 sq mi
Channel LakeCensus designated place1,9881.80 sq mi
KnollwoodCensus designated place1,9070.60 sq mi
Forest LakeCensus designated place1,7970.35 sq mi
Port BarringtonVillage1,5791.16 sq mi
BannockburnVillage1,3772.04 sq mi
Tower LakesVillage1,2130.92 sq mi
Third LakeVillage1,1140.59 sq mi
Lake CatherineCensus designated place1,0910.91 sq mi
MettawaVillage5625.45 sq mi
Indian CreekVillage5350.27 sq mi
Old Mill CreekVillage16010.7 sq mi

Populations: Census Population Estimates, Vintage 2024: subcounty totals, state 17 (2024). Land areas: Census Gazetteer 2025: counties. A dash means the figure is not in the cited file.

County officialsFrom public records

No county official is published yet. Names appear once a researcher drafts them from the county’s own site and a second person approves; office contacts only, never personal details.

Across Lake County

Jobs across Lake County

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Events in the next 31 days

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Neighboring counties

Neighboring counties

Sources: Census county adjacency file 2024, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 26, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 17, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 55, retrieved November 14, 2026.