US Census Data

Lake County, Illinois

54 cities & places have their primary county here.

Population
711,885
+1.5%’19–’23
Median household income
$108,917
+21.8%’19–’23
Median home value
$326,600
+23.2%’19–’23

Lake County is a county in Illinois with a population of 711,885. 54 cities and places have their primary county here. Its median household income of $108,917 runs above the Illinois figure of $81,702.

Between 2019 and 2023, Lake County's population grew 1.5% from 701,473 to 711,885, while its median household income rose 21.8% from $89,427 to $108,917.

White (non-Hispanic) residents are the largest group, 57.1% of the population. 68.0% of workers drive to work alone.

Demographics

ACS 2019–2023
Population
711,885
Median age
38.9 yrs
Median household income
$108,917
Median home value
$326,600
Median gross rent
$1,434
Housing units
270,083
Homeownership rate
74.4%
Bachelor's degree or higher
47.0%
Unemployment rate
5.1%

Trends

ACS 5-year · 2019–2023
Population
701,473711,885
Median household income
$89,427$108,917
Median home value
$265,100$326,600
Median gross rent
$1,197$1,434
YearPopulationMedian household incomeMedian home valueMedian gross rent
2019701,473$89,427$265,100$1,197
2020699,682$92,654$271,700$1,216
2021714,484$97,127$279,500$1,286
2022713,159$104,553$313,700$1,382
2023711,885$108,917$326,600$1,434

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

CountShare
Under 538,4585.4%
5 to 17129,64018.2%
18 to 2472,32710.2%
25 to 3480,22811.3%
35 to 4491,34812.8%
45 to 5495,02213.3%
55 to 6496,03813.5%
65 to 7465,9089.3%
75 and over42,9166.0%

Race & ethnicity

CountShare
White (non-Hispanic)406,80657.1%
Black or African American45,1086.3%
American Indian & Alaska Native4500.1%
Asian59,5348.4%
Native Hawaiian & Pacific Islander2320.0%
Some other race4,0220.6%
Two or more races21,9373.1%
Hispanic or Latino (any race)173,79624.4%

Educational attainment (age 25+)

CountShare
No high school diploma44,3779.4%
High school graduate92,68419.7%
Some college or associate's113,03024.0%
Bachelor's degree129,37227.4%
Graduate or professional degree91,99719.5%

Commute to work

Mean travel time to work
29 min

How workers get to work

CountShare
Drove alone245,07168.0%
Carpooled30,2658.4%
Public transit9,9492.8%
Walked7,3012.0%
Bicycle5020.1%
Worked from home62,39317.3%
Other means5,0141.4%

Travel time

CountShare
Under 15 min63,38921.3%
15 to 29 min105,20235.3%
30 to 44 min69,74123.4%
45 to 59 min29,1179.8%
60+ min30,65310.3%

Households

Average household size
2.70
Poverty rate
8.1% (55,934 of 693,133)
CountShare
Family households183,93971.7%
Nonfamily households72,72128.3%

Housing

Median year structure built
1982

Occupancy

CountShare
Occupied256,66095.0%
Vacant13,4235.0%

Tenure (of occupied units)

CountShare
Owner-occupied190,96374.4%
Renter-occupied65,69725.6%

Units in structure

CountShare
1-unit, detached179,40766.4%
1-unit, attached27,96210.4%
2 to 4 units15,6885.8%
5 to 19 units21,8178.1%
20 or more units20,6877.7%
Mobile home & other4,5221.7%

Geography

County GEOID
17097
State
Illinois
Land area
444 sq mi
Water area
925 sq mi
Center point
42.1860, -87.8059

Cities & places

54

Compare with nearby counties

5

Illinois rankings

21

Other counties in Illinois

101