Lake County Population

1870–2026

7,633

2026 projection

3% since 2020 (increase)

05K10K15K20K25K18801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Lake County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20267,633+811.07%
20257,552+811.08%
20247,471+470.63%
20237,424+370.50%
20227,387-170.23%
20217,404-50.07%
20207,409-6638.21%
20198,072+2653.39%
20187,807+380.49%
20177,769+1782.34%

Showing 10 of 30 years.

Lake County Demographics

37.3median age

Median age

Female37.4 yrs
Male37.2 yrs

Adults

6,011
1,116 seniors (65+) · 19% of adults4,895 other adults

Sex

Female 49.3% · 3,638Male 50.7% · 3,742

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 74 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Lake County Income

$96,575median household income

Median household income

$96,575

Half of households earn more, half earn less

Median earnings

$59,583

Typical yearly pay for a worker 25 or older.

Poverty rate

7.9%

About 1 in 13 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Lake County Marital Status

47% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married47%50%45%
Never married33%36%30%
Divorced16%13%19%
Widowed3%1%5%
Separated<1%<1%1%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201