Algonquin, IL demographics:
population, income, and more

Total population
30,067
0.6% year-over-year change
Median household income
$134,525/yr
2.1% year-over-year change
Housing units
11,151
0.6% year-over-year change

Algonquin population

How many people live in Algonquin

Algonquin is home to 30,067 residents, according to the most recent Census data. Gender-wise, 50.2% of Algonquin locals are male, and 49.8% are female.

Total population
30,067
0.6% year-over-year change
Gender ratio
Male
50.2%
15,088
Female
49.8%
14,979
Value Percent YoY change
Male 15,088 50.2% 0.1%
Female 14,979 49.8% 0.9%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Algonquin is 41, with the population distributed as follows: about 17% are children under 15, then 12.4% are in the 15 to 24 age group. Adults between 25 and 44 make up 24.4% of the population, while another 31.2% fall into the 45 to 64 bracket. Finally, around 15% are 65 or older.

Median age
41.4
Age breakdown
Under 15
17%
15 to 24
12.4%
25 to 44
24.4%
45 to 64
31.2%
Over 65
15%
Value Percent YoY change
Under 15 5,101 17% 5.3%
15 to 24 3,741 12.4% -5.4%
25 to 44 7,348 24.4% 0.5%
45 to 64 9,375 31.2% -0.7%
Over 65 4,502 15% 3.5%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Algonquin, 86.8% of the population are US-born citizens, while 10% have gained naturalized citizenship. At the same time, 3.3% of residents are non-citizens. As for race, 76% of locals are Caucasian, 2.8% are African American and 5.3% have Asian roots. There’s also a share of 9% that includes residents with two or more races.

Citizenship
U.S.-born citizens
86.8%
Non-U.S.-born citizens
10%
Non-citizens
3.3%
Value Percent YoY change
U.S.-born citizens 26,086 86.8% 1.1%
Non-U.S.-born citizens 2,991 10% -6.0%
Non-citizens 990 3.3% 9.2%
Racial breakdown
White
76%
Black or African American
2.8%
American Indian and Alaska Native
0.8%
Asian
5.3%
Native Hawaiian and other Pacific Islander
0%
Two or more races
9%
Other
6.1%
Value Percent
White 22,837 76%
Black or African American 841 2.8%
American Indian and Alaska Native 240 0.8%
Asian 1,586 5.3%
Two or more races 2,718 9%
Other 1,845 6.1%

Households in Algonquin

A peek inside Algonquin households

Algonquin has 10,968 households, with an average of 3 members in each. Of these, 78% are families, while the remaining 22% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
10,968
0.5% year-over-year change
Average people per household
3
Non-family households
2,407
Family households
8,561
Value Percent YoY change
Non-family households 2,407 22% 2.8%
Family households 8,561 78% -0.1%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Algonquin

The housing landscape of Algonquin

Algonquin's housing consists of 11,151 units, with 74.9% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 16.7% and offer a more compact, shared living style.

Housing units
11,151
0.6% year-over-year change
Housing types
Value Percent
1 unit, detached 8,348 74.9%
1 unit, attached 1,867 16.7%
2 units 45 0.4%
3 or 4 units 198 1.8%
5 to 9 units 155 1.4%
10 to 19 units 108 1%
20 to 49 units 111 1%
50 or more units 319 2.9%
Homes built since 2020
209
129.7% year-over-year change

The age of buildings in Algonquin

In Algonquin, the median construction year is 1994. About 3.5% of homes were built before the 1940s, with another 1.6% going up by 1949. Most development happened in the second half of the 20th century. Then, 20.4% of homes were added from 2000 to 2009, 6.8% between 2010 and 2019, and 1.9% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 392 3.5% 1.3%
Built between 1940 and 1949 183 1.6% -16.1%
Built between 1950 and 1959 338 3% 17.8%
Built between 1960 and 1969 294 2.6% 30.7%
Built between 1970 and 1979 1,023 9.2% 13.4%
Built between 1980 and 1989 1,900 17% -4.5%
Built between 1990 and 1999 3,778 33.9% -3.5%
Built between 2000 and 2009 2,278 20.4% -2.8%
Built between 2010 and 2019 756 6.8% 4.4%
Built in 2020 or later 209 1.9% 129.7%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Algonquin occupancy rates

Out of the 10,968 occupied housing units in Algonquin, 88.2% are owner-occupied, while 11.8% are lived in by tenants. Meanwhile, 1.6% of all homes on the local market sit vacant.

Occupied housing units
10,968
0.5% year-over-year change
Occupancy breakdown
Renter occupied
1,297
Owner occupied
9,671
Value Percent YoY
change
Renter occupied 1,297 11.8% -2.5%
Owner occupied 9,671 88.2% 0.9%
Unoccupied housing units
1.6%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Algonquin housing costs

Housing costs in Algonquin come to a median of $1,972 per month, while tenants specifically pay a median gross rent of $1,723.

Median housing costs per month
$1,972/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Algonquin
$1,723/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Algonquin

Algonquin education at a glance

About 24% of the population in Algonquin went to high school, while 22.2% pursued college studies. Another 11.4% earned an associate degree and 26.2% hold a bachelor’s. Meanwhile, 14.6% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 368 1.6% -7.1%
High school diploma 5,724 24% -5.5%
College diploma 5,278 22.2% 14.2%
Associate degree 2,719 11.4% -5.6%
Bachelor's degree 6,251 26.2% -0.6%
Graduate degree 3,475 14.6% 2.7%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Algonquin

How much people earn in Algonquin

The average annual household income in Algonquin was $148,606 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +1.3% change from the previous year. At the same time, the median income stood at $134,525, reflecting a +2.1% shift over the same period.

Average household income in Algonquin
$148,606/year
1.3% year-over-year change
Median household income in Algonquin
$134,525/year
2.1% year-over-year change

Algonquin income by age

In Algonquin, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $149,375. Those with someone between 45 and 64 in charge, often well established professionally, earn $160,897 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $53,026, while those led by someone over 65, many of whom may be retired, have about $82,267 in earnings. Overall, 95.8% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $53,026 -2.0%
25 - 44 $149,375 8.7%
45 - 64 $160,897 -3.3%
Over 65 $82,267 5.0%
Above poverty level
28,467
Below poverty level
1,241
Value Percent YoY
change
Above poverty level 28,467 95.8% 0.7%
Below poverty level 1,241 4.2% -7.7%

Average renter income in Algonquin

To get a better sense of what renters earn on average in Algonquin, their median household income was $75,282 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 27.5%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$75,282
Rent-to-income ratio
27.5%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Algonquin

Workforce and job types in Algonquin

The job market in Algonquin is powered by 16,796 working residents, spread across a range of industries and roles. 82.7% of the working population are employed in professional or administrative positions, while 17.3% are in hands-on or service-based jobs. Also, 7.7% run their own businesses, 70.5% are employed by private companies, and 13.5% work in the public sector.

Workforce demographics

Working population
16,796
-2.4% year-over-year change
White collar
13,891
Blue collar
2,905
Value Percent YoY change
White collar 13,891 82.7% -1.8%
Blue collar 2,905 17.3% -5.1%
Employer type
Self employees
7.7%
Private companies
70.5%
Governmental workers
13.5%
Not for profit companies
8.3%
Value Percent YoY change
Self employees 1,295 7.7% 4.3%
Private companies 11,836 70.5% -4.0%
Governmental workers 2,265 13.5% 1.3%
Not for profit companies 1,400 8.3% 0.4%
Unemployment rate
4.1%
-7.4% year-over-year change

Available workforce

The unemployment rate in Algonquin stands at 4.1%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Algonquin

How people get around in Algonquin

Commuting methods vary: 73.6% of residents travel by personal vehicle and 0.9% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 12,242 73.6% -8.0%
Bus or trolleybus 48 0.3% 269.2%
Subway or elevated 22 0.1% N/A
Railroad 135 0.8% -7.5%
Motorcycle 15 0.1% -28.6%
Walk 155 0.9% 9.9%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Algonquin by zipcode?

Zipcode Population Number of households Median income Average income
60102 32,286 11,751 $132,949 $148,798

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FAQs about Algonquin demographics 

What is the total population of Algonquin?

Algonquin has a total population of 30,067 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +0.6% compared to a year ago.

What is the gender ratio in Algonquin?

The gender ratio in Algonquin is as follows:
  • 50.2% males (15,088 residents)
  • 49.8% females (14,979 residents)

What is the median age in Algonquin?

The median age in Algonquin is 41.4.

What is the age distribution of the population in Algonquin?

The age distribution in Algonquin is as follows:
  • Under 15: 17% (5,101 residents)
  • Ages 15-24: 12.4% (3,741 residents)
  • Ages 25-44: 24.4% (7,348 residents)
  • Ages 45-64: 31.2% (9,375 residents)
  • Over 65: 15% (4,502 residents)

What is the racial and ethnic makeup of Algonquin?

The racial and ethnic makeup of Algonquin is as follows:
  • White: 76% (22,837 residents)
  • Black or African American: 2.8% (841 residents)
  • American Indian and Alaska Native: 0.8% (240 residents)
  • Asian: 5.3% (1,586 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 9% (2,718 residents)
  • Other: 6.1% (1,845 residents)

What percentage of the population in Algonquin are U.S.-born citizens?

U.S.-born citizens represent 86.8% of the population in Algonquin.

How many housing units are there in Algonquin?

There are 11,151 housing units in Algonquin, reflecting a +0.6% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Algonquin and what is the average household size?

Algonquin has a total of 10,968 households, with an average of 3 people in each.

What is the median household income in Algonquin?

Algonquin has a median household income of $134,525, representing a +2.1% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Algonquin?

The employment rate is 95.9% in Algonquin, with a workforce of 16,796 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 82.7% (13,891 residents)
  • Blue-collar workers: 17.3% (2,905 residents)

Places of employment:
  • Self-employed: 7.7% (1,295 residents)
  • Private companies: 70.5% (11,836 residents)
  • Governmental workers: 13.5% (2,265 residents)
  • Not-for-profit companies: 8.3% (1,400 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025