Forest Lake vs Third Lake

A side-by-side comparison of Forest Lake and Third Lake: population, income, housing, and more.

Forest Lake and Third Lake are places in Illinois. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Forest Lake has the higher population (1,797 vs 1,203 in Third Lake). Third Lake has the higher median household income ($150,893 vs $92,956 in Forest Lake). Third Lake has the higher median home value ($329,500 vs $318,300 in Forest Lake).

Population, income & housing

	Forest Lake	Third Lake
Population	1,797	1,203
Median age	40.8 yrs	50.1 yrs
Median household income	$92,956	$150,893
Median home value	$318,300	$329,500
Housing units	737	501
Homeownership rate	94.5%	99.2%
Bachelor's degree or higher	52.4%	70.9%
Unemployment rate	5.3%	2.8%

Trends (ACS 5-year, 2019–2023)

	Forest Lake	Third Lake
Population	1,327 → 1,797 (+35.4%)	1,079 → 1,203 (+11.5%)
Median household income	$125,096 → $92,956 (-25.7%)	$116,563 → $150,893 (+29.5%)
Median home value	$321,200 → $318,300 (-0.9%)	$267,400 → $329,500 (+23.2%)
Median gross rent	—	$1,469 → $1,125 (-23.4%)

Forest Lake

Population

1,3271,797

Median household income

$125,096$92,956

Median home value

$321,200$318,300

Third Lake

Population

1,0791,203

Median household income

$116,563$150,893

Median home value

$267,400$329,500

Median gross rent

$1,469$1,125

Age & race/ethnicity

Age distribution (share)

	Forest Lake	Third Lake
Under 5	0.0%	4.5%
5 to 17	25.8%	15.0%
18 to 24	10.7%	6.0%
25 to 34	2.4%	6.7%
35 to 44	23.7%	13.6%
45 to 54	6.3%	14.7%
55 to 64	26.7%	13.5%
65 to 74	1.4%	19.3%
75 and over	2.8%	6.7%

Race & ethnicity (share)

	Forest Lake	Third Lake
White (non-Hispanic)	70.9%	82.9%
Black or African American	0.0%	0.0%
American Indian & Alaska Native	0.0%	0.0%
Asian	5.5%	1.2%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.0%
Two or more races	0.0%	1.9%
Hispanic or Latino	23.7%	14.0%

Educational attainment (age 25+)

Share of adults 25+

	Forest Lake	Third Lake
No high school diploma	25.7%	0.4%
High school graduate	16.2%	8.9%
Some college or associate's	5.7%	19.8%
Bachelor's degree	37.5%	35.3%
Graduate or professional degree	14.8%	35.6%

Commute to work

How workers get to work (share)

	Forest Lake	Third Lake
Drove alone	90.4%	75.6%
Carpooled	0.0%	6.5%
Public transit	0.0%	1.7%
Walked	0.0%	2.4%
Bicycle	0.0%	0.0%
Worked from home	4.8%	13.4%
Other means	4.8%	0.5%

Housing

Units in structure (share)

	Forest Lake	Third Lake
1-unit, detached	100.0%	94.4%
1-unit, attached	0.0%	0.0%
2 to 4 units	0.0%	0.0%
5 to 19 units	0.0%	5.6%
20 or more units	0.0%	0.0%
Mobile home & other	0.0%	0.0%

Poverty & households

	Forest Lake	Third Lake
Poverty rate	5.3%	2.2%
Average household size	2.73	2.44
Mean commute (minutes)	30	30
Median year structure built	1994	1985