Algonquin vs McHenry

A side-by-side comparison of Algonquin and McHenry: population, income, housing, and more.

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

Algonquin has the higher population (29,904 vs 27,774 in McHenry). Algonquin has the higher median household income ($131,753 vs $86,865 in McHenry). Algonquin has the higher median home value ($324,000 vs $244,900 in McHenry).

Population, income & housing

	Algonquin	McHenry
Population	29,904	27,774
Median age	41.3 yrs	43.5 yrs
Median household income	$131,753	$86,865
Median home value	$324,000	$244,900
Median gross rent	$1,800	$1,508
Housing units	11,080	11,671
Homeownership rate	87.8%	73.4%
Bachelor's degree or higher	43.6%	25.5%
Unemployment rate	4.4%	3.5%

Trends (ACS 5-year, 2019–2023)

	Algonquin	McHenry
Population	30,799 → 29,904 (-2.9%)	26,813 → 27,774 (+3.6%)
Median household income	$102,856 → $131,753 (+28.1%)	$75,811 → $86,865 (+14.6%)
Median home value	$255,700 → $324,000 (+26.7%)	$181,300 → $244,900 (+35.1%)
Median gross rent	$1,677 → $1,800 (+7.3%)	$1,221 → $1,508 (+23.5%)

Algonquin

Population

30,79929,904

Median household income

$102,856$131,753

Median home value

$255,700$324,000

Median gross rent

$1,677$1,800

McHenry

Population

26,81327,774

Median household income

$75,811$86,865

Median home value

$181,300$244,900

Median gross rent

$1,221$1,508

Age & race/ethnicity

Age distribution (share)

	Algonquin	McHenry
Under 5	5.2%	4.5%
5 to 17	15.8%	15.1%
18 to 24	8.4%	6.9%
25 to 34	13.5%	12.7%
35 to 44	10.9%	12.9%
45 to 54	14.0%	13.0%
55 to 64	17.5%	15.5%
65 to 74	7.7%	10.8%
75 and over	6.9%	8.6%

Race & ethnicity (share)

	Algonquin	McHenry
White (non-Hispanic)	74.0%	77.7%
Black or African American	2.2%	0.7%
American Indian & Alaska Native	0.1%	0.0%
Asian	5.6%	1.8%
Native Hawaiian & Pacific Islander	0.0%	0.1%
Some other race	0.3%	0.0%
Two or more races	3.7%	2.7%
Hispanic or Latino	14.2%	17.1%

Educational attainment (age 25+)

Share of adults 25+

	Algonquin	McHenry
No high school diploma	4.8%	9.2%
High school graduate	20.7%	32.2%
Some college or associate's	30.9%	33.1%
Bachelor's degree	27.7%	18.6%
Graduate or professional degree	15.9%	6.9%

Commute to work

How workers get to work (share)

	Algonquin	McHenry
Drove alone	72.9%	76.7%
Carpooled	5.0%	7.1%
Public transit	1.0%	1.5%
Walked	0.8%	1.5%
Bicycle	0.0%	0.0%
Worked from home	19.4%	12.4%
Other means	0.8%	0.8%

Housing

Units in structure (share)

	Algonquin	McHenry
1-unit, detached	74.3%	67.5%
1-unit, attached	17.8%	11.4%
2 to 4 units	2.5%	8.3%
5 to 19 units	1.8%	7.6%
20 or more units	3.6%	4.7%
Mobile home & other	0.0%	0.5%

Poverty & households

	Algonquin	McHenry
Poverty rate	4.5%	4.0%
Average household size	2.74	2.38
Mean commute (minutes)	32	31
Median year structure built	1994	1988