Island Lake vs Spring Grove

A side-by-side comparison of Island Lake and Spring Grove: population, income, housing, and more.

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

Island Lake has the higher population (8,023 vs 5,866 in Spring Grove). Spring Grove has the higher median household income ($133,224 vs $98,125 in Island Lake). Spring Grove has the higher median home value ($371,200 vs $241,900 in Island Lake).

Population, income & housing

	Island Lake	Spring Grove
Population	8,023	5,866
Median age	39.5 yrs	38.9 yrs
Median household income	$98,125	$133,224
Median home value	$241,900	$371,200
Median gross rent	$1,855	—
Housing units	3,045	1,867
Homeownership rate	81.7%	97.1%
Bachelor's degree or higher	27.6%	41.8%
Unemployment rate	6.7%	8.7%

Trends (ACS 5-year, 2019–2023)

	Island Lake	Spring Grove
Population	8,035 → 8,023 (-0.1%)	5,614 → 5,866 (+4.5%)
Median household income	$83,292 → $98,125 (+17.8%)	$123,150 → $133,224 (+8.2%)
Median home value	$171,100 → $241,900 (+41.4%)	$302,700 → $371,200 (+22.6%)
Median gross rent	$1,388 → $1,855 (+33.6%)	$2,101 → $2,226 (+5.9%)

Island Lake

Population

8,0358,023

Median household income

$83,292$98,125

Median home value

$171,100$241,900

Median gross rent

$1,388$1,855

Spring Grove

Population

5,6145,866

Median household income

$123,150$133,224

Median home value

$302,700$371,200

Median gross rent

$2,101$2,226

Age & race/ethnicity

Age distribution (share)

	Island Lake	Spring Grove
Under 5	7.2%	7.7%
5 to 17	14.9%	18.2%
18 to 24	8.6%	6.7%
25 to 34	12.4%	11.8%
35 to 44	13.4%	11.1%
45 to 54	14.7%	14.0%
55 to 64	15.4%	17.8%
65 to 74	10.1%	8.5%
75 and over	3.2%	4.2%

Race & ethnicity (share)

	Island Lake	Spring Grove
White (non-Hispanic)	74.0%	80.8%
Black or African American	0.3%	0.0%
American Indian & Alaska Native	0.1%	0.1%
Asian	2.7%	1.3%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.2%
Two or more races	1.9%	10.1%
Hispanic or Latino	21.0%	7.6%

Educational attainment (age 25+)

Share of adults 25+

	Island Lake	Spring Grove
No high school diploma	9.2%	1.7%
High school graduate	29.4%	21.2%
Some college or associate's	33.8%	35.3%
Bachelor's degree	20.9%	30.3%
Graduate or professional degree	6.7%	11.5%

Commute to work

How workers get to work (share)

	Island Lake	Spring Grove
Drove alone	76.3%	74.2%
Carpooled	9.9%	2.4%
Public transit	0.1%	2.6%
Walked	0.4%	0.0%
Bicycle	0.0%	0.0%
Worked from home	11.9%	19.5%
Other means	1.4%	1.3%

Housing

Units in structure (share)

	Island Lake	Spring Grove
1-unit, detached	74.1%	97.4%
1-unit, attached	21.5%	0.0%
2 to 4 units	0.3%	2.2%
5 to 19 units	2.6%	0.0%
20 or more units	0.8%	0.0%
Mobile home & other	0.8%	0.4%

Poverty & households

	Island Lake	Spring Grove
Poverty rate	6.5%	1.0%
Average household size	2.75	3.14
Mean commute (minutes)	32	33
Median year structure built	1989	1997