Grayslake, IL demographics:
population, income, and more

Total population
20,929
1.1% year-over-year change
Median household income
$113,972/yr
0.2% year-over-year change
Housing units
8,485
2.6% year-over-year change

Grayslake population

How many people live in Grayslake

Grayslake is home to 20,929 residents, according to the most recent Census data. Gender-wise, 51.6% of Grayslake locals are male, and 48.4% are female.

Total population
20,929
1.1% year-over-year change
Gender ratio
Male
51.6%
10,794
Female
48.4%
10,135
Value Percent YoY change
Male 10,794 51.6% 2.4%
Female 10,135 48.4% -0.3%
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 Grayslake is 37, with the population distributed as follows: about 19.1% are children under 15, then 13.8% are in the 15 to 24 age group. Adults between 25 and 44 make up 27.2% of the population, while another 25.8% fall into the 45 to 64 bracket. Finally, around 14.1% are 65 or older.

Median age
37.2
Age breakdown
Under 15
19.1%
15 to 24
13.8%
25 to 44
27.2%
45 to 64
25.8%
Over 65
14.1%
Value Percent YoY change
Under 15 4,003 19.1% 2.4%
15 to 24 2,885 13.8% -9.8%
25 to 44 5,690 27.2% -2.2%
45 to 64 5,401 25.8% 3.3%
Over 65 2,950 14.1% 15.6%
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 Grayslake, 89.5% of the population are US-born citizens, while 6.9% have gained naturalized citizenship. At the same time, 3.6% of residents are non-citizens. As for race, 74.9% of locals are Caucasian, 8.6% are African American and 5.2% have Asian roots. There’s also a share of 9.7% that includes residents with two or more races.

Citizenship
U.S.-born citizens
89.5%
Non-U.S.-born citizens
6.9%
Non-citizens
3.6%
Value Percent YoY change
U.S.-born citizens 18,732 89.5% 1.4%
Non-U.S.-born citizens 1,435 6.9% 4.2%
Non-citizens 762 3.6% -10.2%
Racial breakdown
White
74.9%
Black or African American
8.6%
American Indian and Alaska Native
0.2%
Asian
5.2%
Native Hawaiian and other Pacific Islander
0%
Two or more races
9.7%
Other
1.4%
Value Percent
White 15,683 74.9%
Black or African American 1,802 8.6%
American Indian and Alaska Native 44 0.2%
Asian 1,094 5.2%
Two or more races 2,023 9.7%
Other 283 1.4%

Households in Grayslake

A peek inside Grayslake households

Grayslake has 8,165 households, with an average of 3 members in each. Of these, 69.3% are families, while the remaining 30.7% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
8,165
2.9% year-over-year change
Average people per household
3
Non-family households
2,504
Family households
5,661
Value Percent YoY change
Non-family households 2,504 30.7% -0.8%
Family households 5,661 69.3% 4.6%
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 Grayslake

The housing landscape of Grayslake

Grayslake's housing consists of 8,485 units, with 58% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 20.1% and offer a more compact, shared living style.

Housing units
8,485
2.6% year-over-year change
Housing types
Value Percent
1 unit, detached 4,922 58%
1 unit, attached 1,708 20.1%
2 units 36 0.4%
3 or 4 units 221 2.6%
5 to 9 units 372 4.4%
10 to 19 units 683 8%
20 to 49 units 263 3.1%
50 or more units 247 2.9%
Boat, RV, van, etc. 33 0.4%
Homes built since 2020
12
33.3% year-over-year change

The age of buildings in Grayslake

In Grayslake, the median construction year is 1994. About 4.1% 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, 4.7% 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 349 4.1% 1.8%
Built between 1940 and 1949 139 1.6% -15.2%
Built between 1950 and 1959 558 6.6% 2.4%
Built between 1960 and 1969 448 5.3% 3.7%
Built between 1970 and 1979 504 5.9% 12.5%
Built between 1980 and 1989 817 9.6% 15.2%
Built between 1990 and 1999 3,523 41.5% -0.5%
Built between 2000 and 2009 1,733 20.4% 1.6%
Built between 2010 and 2019 402 4.7% 8.4%
Built in 2020 or later 12 0.1% 33.3%
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.

Grayslake occupancy rates

Out of the 8,165 occupied housing units in Grayslake, 78.2% are owner-occupied, while 21.8% are lived in by tenants. Meanwhile, 3.8% of all homes on the local market sit vacant.

Occupied housing units
8,165
2.9% year-over-year change
Occupancy breakdown
Renter occupied
1,782
Owner occupied
6,383
Value Percent YoY
change
Renter occupied 1,782 21.8% -5.4%
Owner occupied 6,383 78.2% 5.4%
Unoccupied housing units
3.8%
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.

Grayslake housing costs

Housing costs in Grayslake come to a median of $1,852 per month, while tenants specifically pay a median gross rent of $1,485.

Median housing costs per month
$1,852/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 Grayslake
$1,485/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 Grayslake

Grayslake education at a glance

About 18.2% of the population in Grayslake went to high school, while 18.2% pursued college studies. Another 9.4% earned an associate degree and 31.7% hold a bachelor’s. Meanwhile, 21.1% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 219 1.4% 23.7%
High school diploma 2,906 18.2% 11.4%
College diploma 2,922 18.2% -9.2%
Associate degree 1,509 9.4% -2.8%
Bachelor's degree 5,082 31.7% -2.8%
Graduate degree 3,375 21.1% 9.4%
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 Grayslake

How much people earn in Grayslake

The average annual household income in Grayslake was $142,806 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +2.3% change from the previous year. At the same time, the median income stood at $113,972, reflecting a +0.2% shift over the same period.

Average household income in Grayslake
$142,806/year
2.3% year-over-year change
Median household income in Grayslake
$113,972/year
0.2% year-over-year change

Grayslake income by age

In Grayslake, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $114,555. Those with someone between 45 and 64 in charge, often well established professionally, earn $169,141 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $62,269, while those led by someone over 65, many of whom may be retired, have about $64,879 in earnings. Overall, 93.8% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $62,269 -8.9%
25 - 44 $114,555 0.4%
45 - 64 $169,141 5.8%
Over 65 $64,879 -5.5%
Above poverty level
19,392
Below poverty level
1,278
Value Percent YoY
change
Above poverty level 19,392 93.8% 0.2%
Below poverty level 1,278 6.2% 12.5%

Average renter income in Grayslake

To get a better sense of what renters earn on average in Grayslake, their median household income was $69,938 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 25.5%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$69,938
Rent-to-income ratio
25.5%
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 Grayslake

Workforce and job types in Grayslake

The job market in Grayslake is powered by 11,300 working residents, spread across a range of industries and roles. 87.9% of the working population are employed in professional or administrative positions, while 12.1% are in hands-on or service-based jobs. Also, 5.8% run their own businesses, 66.5% are employed by private companies, and 19.7% work in the public sector.

Workforce demographics

Working population
11,300
-1.5% year-over-year change
White collar
9,933
Blue collar
1,367
Value Percent YoY change
White collar 9,933 87.9% -1.6%
Blue collar 1,367 12.1% -1.0%
Employer type
Self employees
5.8%
Private companies
66.5%
Governmental workers
19.7%
Not for profit companies
8.1%
Value Percent YoY change
Self employees 650 5.8% 9.6%
Private companies 7,512 66.5% -5.8%
Governmental workers 2,222 19.7% 13.9%
Not for profit companies 916 8.1% -4.1%
Unemployment rate
5.4%
-5.7% year-over-year change

Available workforce

The unemployment rate in Grayslake stands at 5.4%, 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 Grayslake

How people get around in Grayslake

Commuting methods vary: 76.2% 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 8,690 76.2% -5.1%
Bus or trolleybus 46 0.4% 24.3%
Subway or elevated 14 0.1% N/A
Railroad 171 1.5% -20.1%
Bicycle 6 0% 20.0%
Walk 101 0.9% 12.2%
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 Grayslake by zipcode?

Zipcode Population Number of households Median income Average income
60030 35,792 14,391 $104,795 $133,057

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FAQs about Grayslake demographics 

What is the total population of Grayslake?

Grayslake has a total population of 20,929 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 +1.1% compared to a year ago.

What is the gender ratio in Grayslake?

The gender ratio in Grayslake is as follows:
  • 51.6% males (10,794 residents)
  • 48.4% females (10,135 residents)

What is the median age in Grayslake?

The median age in Grayslake is 37.2.

What is the age distribution of the population in Grayslake?

The age distribution in Grayslake is as follows:
  • Under 15: 19.1% (4,003 residents)
  • Ages 15-24: 13.8% (2,885 residents)
  • Ages 25-44: 27.2% (5,690 residents)
  • Ages 45-64: 25.8% (5,401 residents)
  • Over 65: 14.1% (2,950 residents)

What is the racial and ethnic makeup of Grayslake?

The racial and ethnic makeup of Grayslake is as follows:
  • White: 74.9% (15,683 residents)
  • Black or African American: 8.6% (1,802 residents)
  • American Indian and Alaska Native: 0.2% (44 residents)
  • Asian: 5.2% (1,094 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 9.7% (2,023 residents)
  • Other: 1.4% (283 residents)

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

U.S.-born citizens represent 89.5% of the population in Grayslake.

How many housing units are there in Grayslake?

There are 8,485 housing units in Grayslake, reflecting a +2.6% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Grayslake has a total of 8,165 households, with an average of 3 people in each.

What is the median household income in Grayslake?

Grayslake has a median household income of $113,972, representing a +0.2% shift from the previous year, according to the U.S. Census Bureau.

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

The employment rate is 94.6% in Grayslake, with a workforce of 11,300 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 87.9% (9,933 residents)
  • Blue-collar workers: 12.1% (1,367 residents)

Places of employment:
  • Self-employed: 5.8% (650 residents)
  • Private companies: 66.5% (7,512 residents)
  • Governmental workers: 19.7% (2,222 residents)
  • Not-for-profit companies: 8.1% (916 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