Grayslake vs Round Lake

A side-by-side comparison of Grayslake and Round Lake: population, income, housing, and more.

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

Grayslake has the higher population (20,707 vs 18,588 in Round Lake). Grayslake has the higher median household income ($113,697 vs $108,965 in Round Lake). Grayslake has the higher median home value ($293,900 vs $257,400 in Round Lake).

Population, income & housing

	Grayslake	Round Lake
Population	20,707	18,588
Median age	35.9 yrs	36.7 yrs
Median household income	$113,697	$108,965
Median home value	$293,900	$257,400
Median gross rent	$1,434	$1,494
Housing units	8,268	6,569
Homeownership rate	76.3%	79.4%
Bachelor's degree or higher	59.1%	40.5%
Unemployment rate	5.7%	6.4%

Trends (ACS 5-year, 2019–2023)

	Grayslake	Round Lake
Population	20,720 → 20,707 (-0.1%)	18,349 → 18,588 (+1.3%)
Median household income	$97,265 → $113,697 (+16.9%)	$82,521 → $108,965 (+32.0%)
Median home value	$235,400 → $293,900 (+24.9%)	$197,800 → $257,400 (+30.1%)
Median gross rent	$1,160 → $1,434 (+23.6%)	$1,274 → $1,494 (+17.3%)

Grayslake

Population

20,72020,707

Median household income

$97,265$113,697

Median home value

$235,400$293,900

Median gross rent

$1,160$1,434

Round Lake

Population

18,34918,588

Median household income

$82,521$108,965

Median home value

$197,800$257,400

Median gross rent

$1,274$1,494

Age & race/ethnicity

Age distribution (share)

	Grayslake	Round Lake
Under 5	6.7%	6.7%
5 to 17	16.6%	21.2%
18 to 24	11.0%	7.8%
25 to 34	14.6%	11.2%
35 to 44	13.5%	18.4%
45 to 54	11.9%	16.1%
55 to 64	13.4%	9.5%
65 to 74	7.6%	6.5%
75 and over	4.8%	2.6%

Race & ethnicity (share)

	Grayslake	Round Lake
White (non-Hispanic)	70.1%	46.0%
Black or African American	8.6%	3.1%
American Indian & Alaska Native	0.1%	0.3%
Asian	3.9%	14.6%
Native Hawaiian & Pacific Islander	0.0%	0.2%
Some other race	0.1%	1.1%
Two or more races	5.0%	2.6%
Hispanic or Latino	12.3%	32.1%

Educational attainment (age 25+)

Share of adults 25+

	Grayslake	Round Lake
No high school diploma	2.8%	12.5%
High school graduate	11.2%	21.3%
Some college or associate's	26.8%	25.7%
Bachelor's degree	36.8%	29.5%
Graduate or professional degree	22.3%	11.0%

Commute to work

How workers get to work (share)

	Grayslake	Round Lake
Drove alone	70.2%	70.2%
Carpooled	8.6%	12.0%
Public transit	2.2%	1.5%
Walked	0.8%	0.3%
Bicycle	0.0%	0.0%
Worked from home	17.3%	15.3%
Other means	0.8%	0.7%

Housing

Units in structure (share)

	Grayslake	Round Lake
1-unit, detached	56.7%	56.5%
1-unit, attached	21.5%	26.5%
2 to 4 units	3.1%	2.1%
5 to 19 units	12.7%	7.1%
20 or more units	6.1%	3.8%
Mobile home & other	0.0%	4.0%

Poverty & households

	Grayslake	Round Lake
Poverty rate	5.6%	9.0%
Average household size	2.59	2.96
Mean commute (minutes)	27	31
Median year structure built	1994	2003