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CITY · 2020 ACS

Algonquin

Illinois · 29,700 residents · 12.539 sq mi
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The short version

Algonquin is significantly wealthier than the US average, with a median household income of $109,819. Population has grown 28% since 2000. Median home value is $268,100. Poverty is rare here, at 4.2% of residents. Households here earn about 60% more than the Illinois median.

At a glance
Wealthier
above the US median
US median: $66,278
Older
median age 41.9
US median: 38.8
More educated
44% hold a bachelor's degree
US average: 33%
More affordable
home values down 8%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
29,700
+28%since 2000
from 23,276 in 2000
1990 – 2025
Median age
41.9
+25%since 2000
from 33.6 in 2000
US average: 38.8
Population, 1990 – 2024
10K16K21K27K33K1990201020202024Algonquin
202430K
1990201020202024
Age distribution, 2020
Under 54.8%(1,440)
US avg: 5.6%
5 to 95.8%(1,722)
US avg: 6.1%
10 to 146.8%(2,025)
US avg: 6.5%
15 to 197.3%(2,175)
US avg: 6.6%
20 to 246.1%(1,811)
US avg: 6.7%
25 to 3410.3%(3,064)
US avg: 13.5%
35 to 4412.7%(3,771)
US avg: 12.7%
45 to 5415.5%(4,597)
US avg: 12.3%
55 to 6416.2%(4,821)
US avg: 13.1%
65 to 749.2%(2,720)
US avg: 10%
75 to 843.8%(1,125)
US avg: 4.9%
85 and over1.4%(429)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$109,819
−8%inflation adjusted, since 2000
from $79,730 in 2000
US average: $66,278
1990 – 2024
Per capita income
$46,601
+56%since 2000
from $29,820 in 2000
US average: $35,364
Households earning $100K+
67.5%
+4.4 ptssince 2009
from 63.2% in 2009
US average: 43.9%
Poverty rate
4.2%
+2.5 ptssince 2000
from 1.7% in 2000
US average: 12.8%
Workforce by industry, 2020
Retail trade14.3%
US avg: 10%
Information13.3%
US avg: 11.1%
Other services8%
US avg: 6.6%
Public administration6.6%
US avg: 4.7%
Finance & insurance4.9%
US avg: 5.5%
Professional, scientific, technical4.7%
US avg: 4.7%
Wholesale trade4.2%
US avg: 6.7%
Arts, entertainment, food3.3%
US avg: 2%
Transportation & warehousing3.1%
US avg: 2.5%
Agriculture, forestry, fishing0.5%
US avg: 1.7%
Construction0.4%
US avg: 1.2%
Education & health services0.2%
US avg: 0.8%
Manufacturing0.1%
US avg: 0.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$268,100
−8%inflation adjusted, since 2000
from $194,500 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$1,659
+39%inflation adjusted, since 2000
from $795 in 2000
US average: $1,124
Owner-occupied
84.9%
−8.8 ptssince 2000
from 93.7% in 2000
15.1% rent
Afford Score
2.4
−20%since 2009
from 3.1 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
RELATED:See current rent listings in Algonquin on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic91.6%(21,327)
Black0.8%(194)
Hispanic / Latino4.1%(948)
Asian2.3%(542)
Other0%
2020
White, non-Hispanic75.2%(22,327)
Black2.4%(704)
Hispanic / Latino11.3%(3,359)
Asian7.2%(2,143)
Other2.9%(875)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican7.2%(2,219)
Colombian0.4%(110)
Nicaraguan0.3%(100)
Cuban0.3%(80)
Guatemalan0.1%(43)
Spaniard0.1%(20)
Honduran0.1%(17)
Asian origin
Asian Indian2.1%(654)
Pakistani0.9%(290)
Vietnamese0.9%(285)
Chinese0.7%(220)
Laotian0.7%(206)
Filipino0.6%(199)
Korean0.4%(123)
Hmong0.2%(62)
Ancestry
German25.5%(7,862)
Polish16.6%(5,119)
Irish16.3%(5,014)
Italian12.1%(3,736)
English8%(2,455)
Swedish4.5%(1,389)
American2.6%(788)
French1.9%(582)
Scottish1.8%(551)
Russian1.7%(539)
Czech1.3%(392)
Norwegian1.3%(390)
+ 28 more ancestry groups with data
Dutch0.9%(276)
Ukrainian0.9%(263)
Greek0.7%(231)
Slovak0.6%(177)
Lithuanian0.6%(173)
Danish0.6%(172)
Welsh0.5%(169)
Scotch-Irish0.5%(145)
Belgian0.4%(137)
Austrian0.4%(136)
Hungarian0.4%(114)
Romanian0.3%(107)
British0.3%(97)
Croatian0.3%(90)
Finnish0.3%(89)
Armenian0.3%(86)
Syrian0.2%(60)
Swiss0.2%(57)
Iraqi0.1%(43)
Iranian0.1%(35)
Portuguese0.1%(24)
Turkish0.1%(19)
Canadian0.1%(16)
West Indian0.1%(16)
Jamaican0.1%(16)
Serbian0%(8)
RANKED:Largest German population · Largest Polish population · Largest Irish population · Largest Italian population · Largest English population
Section 05

Education

Bachelor's degree or higher
44.0%
+5.3 ptssince 2000
from 38.7% in 2000
US average: 32.9%
High school or higher
94.4%
−0.6 ptssince 2000
from 95.0% in 2000
US average: 88.5%
Graduate degree
15.3%
+4.2 ptssince 2000
from 11.1% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
33.7 min
+27%since 2000
from 26.5 min in 2000
US average: 26.9
Drive alone to work
80.8%
−2.8 ptssince 2009
from 83.5% in 2009
US average: 75.1%
No vehicle available
6.5%
+4.1 ptssince 2009
from 2.4% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
5.9%
−2.4 ptssince 2011
from 8.3% in 2011
US average: 5.4%
Labor force participation
74.8%
+0.1 ptssince 2011
from 74.7% in 2011
US average: 63.4%
Management & professional
45.8%
−21.2 ptssince 2009
from 67.0% in 2009
US average: 39.3%
Section 08

People & community

Male
48.7%
−1.4 ptssince 2009
from 50.1% in 2009
Female
51.3%
+1.4 ptssince 2009
from 49.9% in 2009
Foreign born
12.3%
+0.8 ptssince 2009
from 11.6% in 2009
US average: 13.5%
Uninsured
3.5%
−90.1 ptssince 2013
from 93.6% in 2013
US average: 8.8%
Marital status (2024)
Men 15+
Never married30.9%(3,999)
Married60%(7,751)
Widowed2%(262)
Divorced7.1%(914)
Women 15+
Never married22.1%(2,663)
Married61.2%(7,368)
Widowed6.6%(795)
Divorced10.1%(1,214)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
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Frequently asked

How many people live in Algonquin, Illinois?

Algonquin, Illinois has about 29,700 residents according to the 2020 American Community Survey.

What is the median household income in Algonquin, Illinois?

The typical household in Algonquin, Illinois earns about $109,819 a year. Half of households make more than that, and half make less.

Is Algonquin, Illinois expensive?

In Algonquin, Illinois, the median home is worth about $268,100, and the typical rent is about $1,659 a month.

How educated are people in Algonquin, Illinois?

About 44.0% of adults age 25 and over in Algonquin, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Algonquin, Illinois?

About 4.2% of people in Algonquin, Illinois live below the federal poverty line.

Has Algonquin, Illinois grown since 1990?

Yes, Algonquin, Illinois has grown since 1990. The population has added about 17,995 residents, a change of about 154 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →