Algonquin

Population: 29,904
Median household income: $131,753
Median home value: $324,000

Algonquin is a community in McHenry County, Illinois, home to 29,904 residents. At $131,753, its median household income sits above McHenry County's $102,836.

From 2019 to 2023, Algonquin's population declined 2.9% from 30,799 to 29,904, while its median home value rose 26.7% from $255,700 to $324,000.

The typical home was built around 1994. 4.5% of residents live below the poverty line.

Demographics

ACS 2019–2023

Population: 29,904
Median age: 41.3 yrs
Median household income: $131,753
Median home value: $324,000
Median gross rent: $1,800
Housing units: 11,080
Homeownership rate: 87.8%
Bachelor's degree or higher: 43.6%
Unemployment rate: 4.4%

Trends

ACS 5-year · 2019–2023

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

Year	Population	Median household income	Median home value	Median gross rent
2019	30,799	$102,856	$255,700	$1,677
2020	30,848	$109,819	$268,100	$1,659
2021	29,869	$115,346	$273,600	$1,725
2022	29,888	$129,658	$305,900	$1,805
2023	29,904	$131,753	$324,000	$1,800

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 55.2%

5 to 1715.8%

18 to 248.4%

25 to 3413.5%

35 to 4410.9%

45 to 5414.0%

55 to 6417.5%

65 to 747.7%

75 and over6.9%

	Count	Share
Under 5	1,554	5.2%
5 to 17	4,724	15.8%
18 to 24	2,521	8.4%
25 to 34	4,044	13.5%
35 to 44	3,269	10.9%
45 to 54	4,198	14.0%
55 to 64	5,244	17.5%
65 to 74	2,301	7.7%
75 and over	2,049	6.9%

Race & ethnicity

	Count	Share
White (non-Hispanic)	22,131	74.0%
Black or African American	656	2.2%
American Indian & Alaska Native	33	0.1%
Asian	1,665	5.6%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	76	0.3%
Two or more races	1,103	3.7%
Hispanic or Latino (any race)	4,240	14.2%

Educational attainment (age 25+)

No high school diploma4.8%

High school graduate20.7%

Some college or associate's30.9%

Bachelor's degree27.7%

Graduate or professional degree15.9%

	Count	Share
No high school diploma	1,006	4.8%
High school graduate	4,373	20.7%
Some college or associate's	6,522	30.9%
Bachelor's degree	5,842	27.7%
Graduate or professional degree	3,362	15.9%

Commute to work

Mean travel time to work: 32 min

Drove alone72.9%

Carpooled5.0%

Public transit1.0%

Walked0.8%

Bicycle0.0%

Worked from home19.4%

Other means0.8%

How workers get to work

	Count	Share
Drove alone	12,452	72.9%
Carpooled	855	5.0%
Public transit	166	1.0%
Walked	141	0.8%
Bicycle	0	0.0%
Worked from home	3,321	19.4%
Other means	140	0.8%

Travel time

	Count	Share
Under 15 min	2,410	17.5%
15 to 29 min	4,006	29.1%
30 to 44 min	3,434	25.0%
45 to 59 min	2,308	16.8%
60+ min	1,596	11.6%

Households

Average household size: 2.74
Poverty rate: 4.5% (1,344 of 29,825)

	Count	Share
Family households	8,573	78.6%
Nonfamily households	2,341	21.4%

Housing

Median year structure built: 1994

Occupancy

	Count	Share
Occupied	10,914	98.5%
Vacant	166	1.5%

Tenure (of occupied units)

	Count	Share
Owner-occupied	9,584	87.8%
Renter-occupied	1,330	12.2%

1-unit, detached74.3%

1-unit, attached17.8%

2 to 4 units2.5%

5 to 19 units1.8%

20 or more units3.6%

Mobile home & other0.0%

Units in structure

	Count	Share
1-unit, detached	8,228	74.3%
1-unit, attached	1,974	17.8%
2 to 4 units	280	2.5%
5 to 19 units	202	1.8%
20 or more units	396	3.6%
Mobile home & other	0	0.0%

Geography

Place GEOID: 1700685
Type (LSAD): 47
Land area: 13 sq mi
Water area: 0.2 sq mi
Center point: 42.1595, -88.3219