Lake County Population 2017

Lake County's estimated population is 703,047 with a growth rate of -0.05% in the past year according to the most recent United States census data. Lake County is the 3rd largest county in Illinois.

Year Population Growth Growth Rate
2016703,047-366-0.05%
2015703,413560.01%
2014703,357-54-0.01%
2013703,4112,1910.31%
2012701,2203270.05%
2011700,893-3,455-0.49%
2010704,348187,93036.39%
1990516,41876,04617.27%
1980440,37257,73415.09%
1970382,63888,98230.30%
1960293,656114,55963.96%
1950179,09758,00347.90%
1940121,09416,70716.00%
1930104,38730,10240.52%
192074,28519,22734.92%
191055,05820,55459.57%
190034,50410,26942.37%
189024,2352,93913.80%
188021,2962821.34%
187021,0142,75715.10%
186018,2574,03128.34%
185014,22611,592440.09%
18402,6340.00%

Lake County Population Growth

Population Data via

Lake County Race Data

Race Population Percentage
White577,54782.15%
Asian52,4307.46%
Black or African American52,3657.45%
Two or More Races14,4562.06%
American Indian and Alaska Native5,9780.85%
Native Hawaiian and Other Pacific Islander6370.09%

Lake County Population Pyramid

0k5k10k15k20k25k30kLake County Male Population0k5k10k15k20k25k30kLake County Female Population

Population of Cities in Lake County

City 2010 Census 2016 Estimated Growth Growth Rate
Waukegan8909688182-914-1.03%
Buffalo Grove4144241346-96-0.23%
Mundelein30986314754891.58%
Gurnee3125430957-297-0.95%
North Chicago3257329951-2622-8.05%
Highland Park2973129641-90-0.30%
Vernon Hills250242632813045.21%
Zion2436624029-337-1.38%
Grayslake2088720831-56-0.27%
Libertyville2034420405610.30%
Lake Zurich19670199672971.51%
Lake Forest1937719388110.06%
Deerfield18245190007554.14%
Round Lake1829518375800.44%
Antioch1445614274-182-1.26%
Wauconda13637137581210.89%
Fox Lake1060910459-150-1.41%
Barrington1031810312-6-0.06%
Lake Villa866887831151.33%
Island Lake8074807730.04%
Lincolnshire72717262-9-0.12%
Winthrop Harbor68896794-95-1.38%
Lake Bluff57155672-43-0.75%
Highwood54235324-99-1.83%
Wadsworth37453714-31-0.83%
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990