Lake Forest Population

1990–2026

86,498

2026 projection

0.7% since 2020 (increase)

020K40K60K80K100K19901995200020052010201520202025

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 Forest. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202686,498+1650.19%
202586,333-2590.30%
202486,592+4040.47%
202386,188+1340.16%
202286,054+1030.12%
202185,951+200.02%
202085,931+3450.40%
201985,586+4340.51%
201885,152+9491.13%
201784,203+9511.14%

Showing 10 of 19 years.

Lake Forest Demographics

40.2median age

Median age

Female41.7 yrs
Male38.9 yrs

Adults

67,921
12,776 seniors · 19%55,145 other adults

Sex

Female 49.8% · 42,983Male 50.2% · 43,298

Population by age

MaleFemale85+ years, male: 60185+ years, female: 1,04980–84 years, male: 41380–84 years, female: 57275–79 years, male: 69775–79 years, female: 1,19770–74 years, male: 1,65470–74 years, female: 1,98565–69 years, male: 2,28165–69 years, female: 2,32760–64 years, male: 2,33460–64 years, female: 3,43455–59 years, male: 2,87055–59 years, female: 2,58150–54 years, male: 3,41450–54 years, female: 3,44745–49 years, male: 3,47745–49 years, female: 2,57840–44 years, male: 3,03640–44 years, female: 3,40235–39 years, male: 3,47135–39 years, female: 3,33230–34 years, male: 3,14930–34 years, female: 2,61025–29 years, male: 2,45925–29 years, female: 2,78520–24 years, male: 2,57920–24 years, female: 2,85215–19 years, male: 2,40715–19 years, female: 1,61510–14 years, male: 2,49310–14 years, female: 2,1375–9 years, male: 3,2585–9 years, female: 2,5160–4 years, male: 2,7050–4 years, female: 2,56485+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–41K1K2K2K3K3K

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 863 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 Forest Income

$135,175median household income

Median household income

$135,175

Half of households earn more, half earn less

Median earnings

$75,296

Typical yearly pay for a worker 25 or older.

Poverty rate

8.5%

About 1 in 12 residents

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

Lake Forest Marital Status

57% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married57%59%55%
Never married29%33%26%
Divorced8%6%11%
Widowed4%1%7%
Separated1%1%2%

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

Sources

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

Population

American Community Survey, 2024 5-year