Westlake, Glendale Heights, DuPage County, IL demographics:
population, income, and more

Total population
4,679
-0.3% year-over-year change
Median household income
$86,372/yr
5.3% year-over-year change
Housing units
1,652
-2.4% year-over-year change

Westlake population

How many people live in Westlake

Westlake is home to 4,679 residents, according to the most recent Census data. Gender-wise, 50.6% of Westlake locals are male, and 49.4% are female.

Total population
4,679
-0.3% year-over-year change
Gender ratio
Male
50.6%
2,370
Female
49.4%
2,309
Value Percent YoY change
Male 2,370 50.6% -0.5%
Female 2,309 49.4% -0.2%
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 Westlake is 36, with the population distributed as follows: about 15.8% are children under 15, then 17.5% are in the 15 to 24 age group. Adults between 25 and 44 make up 29.2% of the population, while another 24.5% fall into the 45 to 64 bracket. Finally, around 12.9% are 65 or older.

Median age
36.2
Age breakdown
Under 15
15.8%
15 to 24
17.5%
25 to 44
29.2%
45 to 64
24.5%
Over 65
12.9%
Value Percent YoY change
Under 15 742 15.8% -5.7%
15 to 24 820 17.5% 2.5%
25 to 44 1,369 29.2% 2.3%
45 to 64 1,148 24.5% 1.6%
Over 65 602 12.9% -5.8%
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 Westlake, 60.4% of the population are US-born citizens, while 24.4% have gained naturalized citizenship. At the same time, 15.1% of residents are non-citizens. As for race, 32.8% of locals are Caucasian, 10% are African American and 25.5% have Asian roots. There’s also a share of 16.4% that includes residents with two or more races.

Citizenship
U.S.-born citizens
60.4%
Non-U.S.-born citizens
24.4%
Non-citizens
15.1%
Value Percent YoY change
U.S.-born citizens 2,828 60.4% 0.2%
Non-U.S.-born citizens 1,143 24.4% -2.1%
Non-citizens 708 15.1% 0.4%
Racial breakdown
White
32.8%
Black or African American
10%
American Indian and Alaska Native
2.1%
Asian
25.5%
Native Hawaiian and other Pacific Islander
0%
Two or more races
16.4%
Other
13.1%
Value Percent
White 1,535 32.8%
Black or African American 470 10%
American Indian and Alaska Native 100 2.1%
Asian 1,194 25.5%
Two or more races 765 16.4%
Other 615 13.1%

Households in Westlake

A peek inside Westlake households

Westlake has 1,598 households, with an average of 3 members in each. Of these, 72.5% are families, while the remaining 27.5% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
1,598
-2.0% year-over-year change
Average people per household
3
Non-family households
439
Family households
1,159
Value Percent YoY change
Non-family households 439 27.5% -3.5%
Family households 1,159 72.5% -1.4%
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 Westlake

The housing landscape of Westlake

Westlake's housing consists of 1,652 units, with 45.8% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 19.1% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 0.4% of the housing landscape.

Housing units
1,652
-2.4% year-over-year change
Housing types
Value Percent
1 unit, detached 756 45.8%
1 unit, attached 316 19.1%
2 units 1 0.1%
3 or 4 units 68 4.1%
5 to 9 units 190 11.5%
10 to 19 units 193 11.7%
20 to 49 units 78 4.7%
50 or more units 44 2.7%
Mobile home 6 0.4%
Homes built since 2020
2
% year-over-year change

The age of buildings in Westlake

In Westlake, the median construction year is 1978. About 0.7% of homes were built before the 1940s, with another 0.6% going up by 1949. Most development happened in the second half of the 20th century. Then, 7% of homes were added from 2000 to 2009, 1.9% between 2010 and 2019, and 0.1% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 12 0.7% -29.4%
Built between 1940 and 1949 10 0.6% -9.1%
Built between 1950 and 1959 63 3.8% -21.2%
Built between 1960 and 1969 317 19.2% 1.0%
Built between 1970 and 1979 542 32.8% -3.4%
Built between 1980 and 1989 370 22.4% -2.1%
Built between 1990 and 1999 191 11.6% -4.5%
Built between 2000 and 2009 116 7% 20.8%
Built between 2010 and 2019 31 1.9% -11.4%
Built in 2020 or later 2 0.1% N/A
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.

Westlake occupancy rates

Out of the 1,598 occupied housing units in Westlake, 64.3% are owner-occupied, while 35.7% are lived in by tenants. Meanwhile, 3.3% of all homes on the local market sit vacant.

Occupied housing units
1,598
-2.0% year-over-year change
Occupancy breakdown
Renter occupied
570
Owner occupied
1,028
Value Percent YoY
change
Renter occupied 570 35.7% -2.4%
Owner occupied 1,028 64.3% -1.7%
Unoccupied housing units
3.3%
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.

Westlake housing costs

Housing costs in Westlake come to a median of $1,554 per month, while tenants specifically pay a median gross rent of $1,588.

Median housing costs per month
$1,554/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 Westlake
$1,588/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 Westlake

Westlake education at a glance

About 39.4% of the population in Westlake went to high school, while 17.8% pursued college studies. Another 6.4% earned an associate degree and 21.9% hold a bachelor’s. Meanwhile, 6% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 322 8.6% 9.5%
High school diploma 1,478 39.4% 4.5%
College diploma 667 17.8% -8.1%
Associate degree 239 6.4% 4.4%
Bachelor's degree 821 21.9% -2.4%
Graduate degree 226 6% -0.4%
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 Westlake

How much people earn in Westlake

The average annual household income in Westlake was $109,934 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +6.7% change from the previous year. At the same time, the median income stood at $86,372, reflecting a +5.3% shift over the same period.

Average household income in Westlake
$109,934/year
6.7% year-over-year change
Median household income in Westlake
$86,372/year
5.3% year-over-year change

Westlake income by age

In Westlake, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $92,712. Those with someone between 45 and 64 in charge, often well established professionally, earn $102,089 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $53,068, while those led by someone over 65, many of whom may be retired, have about $67,566 in earnings. Overall, 89.8% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $53,068 2.6%
25 - 44 $92,712 6.1%
45 - 64 $102,089 5.8%
Over 65 $67,566 -1.4%
Above poverty level
4,174
Below poverty level
474
Value Percent YoY
change
Above poverty level 4,174 89.8% -0.8%
Below poverty level 474 10.2% 8.0%

Employment in Westlake

Workforce and job types in Westlake

64.4% of the working population are employed in professional or administrative positions, while 35.6% are in hands-on or service-based jobs. Also, 7.3% run their own businesses, 80% are employed by private companies, and 8.8% work in the public sector.

Workforce demographics

White collar
1,680
Blue collar
930
Value Percent YoY change
White collar 1,680 64.4% -2.1%
Blue collar 930 35.6% 6.3%
Employer type
Self employees
7.3%
Private companies
80%
Governmental workers
8.8%
Not for profit companies
3.9%
Value Percent YoY change
Self employees 190 7.3% 7.3%
Private companies 2,088 80% -0.6%
Governmental workers 230 8.8% 7.5%
Not for profit companies 102 3.9% 1.0%

Transportation in Westlake

How people get around in Westlake

Commuting methods vary: 96.3% of residents travel by personal vehicle and 1.7% 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 2,167 96.3% 0.7%
Taxicab 8 0.4% -38.5%
Bus or trolleybus 8 0.4% -42.9%
Railroad 27 1.2% 50.0%
Bicycle 2 0.1% 100.0%
Walk 39 1.7% 34.5%
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 Westlake by zipcode?

Zipcode Population Number of households Median income Average income
60139 32,848 11,221 $86,372 $109,934

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FAQs about Westlake demographics 

What is the total population of Westlake?

Westlake has a total population of 4,679 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 -0.3% compared to a year ago.

What is the gender ratio in Westlake?

The gender ratio in Westlake is as follows:
  • 50.6% males (2,370 residents)
  • 49.4% females (2,309 residents)

What is the median age in Westlake?

The median age in Westlake is 36.2.

What is the age distribution of the population in Westlake?

The age distribution in Westlake is as follows:
  • Under 15: 15.8% (742 residents)
  • Ages 15-24: 17.5% (820 residents)
  • Ages 25-44: 29.2% (1,369 residents)
  • Ages 45-64: 24.5% (1,148 residents)
  • Over 65: 12.9% (602 residents)

What is the racial and ethnic makeup of Westlake?

The racial and ethnic makeup of Westlake is as follows:
  • White: 32.8% (1,535 residents)
  • Black or African American: 10% (470 residents)
  • American Indian and Alaska Native: 2.1% (100 residents)
  • Asian: 25.5% (1,194 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 16.4% (765 residents)
  • Other: 13.1% (615 residents)

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

U.S.-born citizens represent 60.4% of the population in Westlake.

How many housing units are there in Westlake?

There are 1,652 housing units in Westlake, reflecting a -2.4% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Westlake has a total of 1,598 households, with an average of 3 people in each.

What is the median household income in Westlake?

Westlake has a median household income of $86,372, representing a +5.3% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Westlake?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 64.4% (1,680 residents)
  • Blue-collar workers: 35.6% (930 residents)

Places of employment:
  • Self-employed: 7.3% (190 residents)
  • Private companies: 80% (2,088 residents)
  • Governmental workers: 8.8% (230 residents)
  • Not-for-profit companies: 3.9% (102 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