Lake County Population

1930–2026

33,401

2026 projection

6.9% since 2020 (increase)

05K10K15K20K25K30K35K19401960198020002020

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.
202633,401+90.03%
202533,392+90.03%
202433,383+1770.53%
202333,206+4051.23%
202232,801+7292.27%
202132,072+8272.65%
202031,245+6592.15%
201930,586+2400.79%
201830,346+690.23%
201730,277+5551.87%

Showing 10 of 24 years.

Lake County Demographics

44.3median age

Median age

Female44.9 yrs
Male43.1 yrs

Adults

25,394
7,894 seniors (65+) · 31% of adults17,500 other adults

Sex

Female 50.6% · 16,485Male 49.4% · 16,076

Population by age

MaleFemale85+ years, male: 27285+ years, female: 36680–84 years, male: 43580–84 years, female: 49475–79 years, male: 83875–79 years, female: 72170–74 years, male: 1,16770–74 years, female: 1,07365–69 years, male: 1,13965–69 years, female: 1,38960–64 years, male: 1,39160–64 years, female: 1,39355–59 years, male: 80555–59 years, female: 1,01350–54 years, male: 89350–54 years, female: 87745–49 years, male: 82845–49 years, female: 87740–44 years, male: 82640–44 years, female: 1,03535–39 years, male: 93635–39 years, female: 93430–34 years, male: 85530–34 years, female: 88325–29 years, male: 87825–29 years, female: 77120–24 years, male: 94320–24 years, female: 80515–19 years, male: 94915–19 years, female: 1,02110–14 years, male: 1,14110–14 years, female: 1,0965–9 years, male: 9945–9 years, female: 9360–4 years, male: 7860–4 years, female: 80185+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

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 326 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

$63,360median household income

Median household income

$63,360

Half of households earn more, half earn less

Median earnings

$41,126

Typical yearly pay for a worker 25 or older.

Poverty rate

17.2%

About 1 in 6 residents

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

Lake County Marital Status

51% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married51%51%50%
Never married29%32%26%
Divorced13%11%14%
Widowed6%4%8%
Separated1%1%1%

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

Sources

8 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year