Lake County Population 2018

Lake County's estimated population is 485,846 with a growth rate of -0.37% in the past year according to the most recent United States census data. Lake County is the 2nd largest county in Indiana.

Year Population Growth Growth Rate
2016485,846-1,803-0.37%
2015487,649-2,923-0.60%
2014490,572-782-0.16%
2013491,354-1,717-0.35%
2012493,071-1,658-0.34%
2011494,729-1,241-0.25%
2010495,97020,3764.28%
1990475,594-47,371-9.06%
1980522,965-23,288-4.26%
1970546,25332,9846.43%
1960513,269145,11739.42%
1950368,15274,95725.57%
1940293,19531,88512.20%
1930261,310101,35363.36%
1920159,95777,09393.04%
191082,86444,972118.68%
190037,89214,00658.64%
189023,8868,79558.28%
188015,0912,75222.30%
187012,3393,19434.93%
18609,1455,154129.14%
18503,9912,523171.87%
18401,4680.00%

Lake County Population Growth

Population Data via

Lake County Race Data

Race Population Percentage
White346,55671.33%
Black or African American121,97225.11%
Two or More Races8,8411.82%
Asian7,4791.54%
American Indian and Alaska Native2,5350.52%
Native Hawaiian and Other Pacific Islander2660.05%

Lake County Population Pyramid

0k5k10k15k20k Male Population0k5k10k15k20k Female Population8580757065605550454035302520151050
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