Six Flags, Gurnee, IL demographics:
population, income, and more

Total population
1,522
% year-over-year change
Median household income
$111,034/yr
% year-over-year change
Housing units
603
% year-over-year change

Six Flags population

How many people live in Six Flags

Six Flags is home to 1,522 residents, according to the most recent Census data. Gender-wise, 49.5% of Six Flags locals are male, and 50.5% are female.

Total population
1,522
% year-over-year change
Gender ratio
Male
49.5%
754
Female
50.5%
768
Value Percent YoY change
Male 754 49.5% N/A
Female 768 50.5% N/A
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 Six Flags is 40, with the population distributed as follows: about 14.9% are children under 15, then 16.8% are in the 15 to 24 age group. Adults between 25 and 44 make up 24% of the population, while another 29% fall into the 45 to 64 bracket. Finally, around 15.3% are 65 or older.

Median age
40.4
Age breakdown
Under 15
14.9%
15 to 24
16.8%
25 to 44
24%
45 to 64
29%
Over 65
15.3%
Value Percent YoY change
Under 15 227 14.9% N/A
15 to 24 255 16.8% N/A
25 to 44 366 24% N/A
45 to 64 441 29% N/A
Over 65 233 15.3% N/A
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 Six Flags, 82.2% of the population are US-born citizens, while 12.6% have gained naturalized citizenship. At the same time, 5.3% of residents are non-citizens. As for race, 61.6% of locals are Caucasian, 7.1% are African American and 13% have Asian roots. There’s also a share of 11.9% that includes residents with two or more races.

Citizenship
U.S.-born citizens
82.2%
Non-U.S.-born citizens
12.6%
Non-citizens
5.3%
Value Percent YoY change
U.S.-born citizens 1,251 82.2% N/A
Non-U.S.-born citizens 191 12.6% N/A
Non-citizens 80 5.3% N/A
Racial breakdown
White
61.6%
Black or African American
7.1%
American Indian and Alaska Native
0.9%
Asian
13%
Native Hawaiian and other Pacific Islander
0%
Two or more races
11.9%
Other
5.5%
Value Percent
White 937 61.6%
Black or African American 108 7.1%
American Indian and Alaska Native 14 0.9%
Asian 198 13%
Two or more races 181 11.9%
Other 84 5.5%

Households in Six Flags

A peek inside Six Flags households

Six Flags has 587 households, with an average of 3 members in each. Of these, 67% are families, while the remaining 32.9% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
587
% year-over-year change
Average people per household
3
Non-family households
193
Family households
393
Value Percent YoY change
Non-family households 193 32.9% N/A
Family households 393 67% N/A
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 Six Flags

The housing landscape of Six Flags

Six Flags's housing consists of 603 units, with 64.1% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 14.4% and offer a more compact, shared living style.

Housing units
603
% year-over-year change
Housing types
Value Percent
1 unit, detached 386 64.1%
1 unit, attached 87 14.4%
2 units 5 0.8%
3 or 4 units 15 2.5%
5 to 9 units 19 3.2%
10 to 19 units 28 4.6%
20 to 49 units 25 4.2%
50 or more units 37 6.2%
Homes built since 2020
2
% year-over-year change

The age of buildings in Six Flags

In Six Flags, the median construction year is 1991. About 1.3% of homes were built before the 1940s, with another 1% going up by 1949. Most development happened in the second half of the 20th century. Then, 12.1% of homes were added from 2000 to 2009, 5% between 2010 and 2019, and 0.3% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 8 1.3% N/A
Built between 1940 and 1949 6 1% N/A
Built between 1950 and 1959 26 4.3% N/A
Built between 1960 and 1969 46 7.6% N/A
Built between 1970 and 1979 72 11.9% N/A
Built between 1980 and 1989 115 19.1% N/A
Built between 1990 and 1999 225 37.3% N/A
Built between 2000 and 2009 73 12.1% N/A
Built between 2010 and 2019 30 5% N/A
Built in 2020 or later 2 0.3% 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.

Six Flags occupancy rates

Out of the 587 occupied housing units in Six Flags, 77.8% are owner-occupied, while 22.2% are lived in by tenants. Meanwhile, 2.7% of all homes on the local market sit vacant.

Occupied housing units
587
% year-over-year change
Occupancy breakdown
Renter occupied
130
Owner occupied
457
Value Percent YoY
change
Renter occupied 130 22.2% N/A
Owner occupied 457 77.8% N/A
Unoccupied housing units
2.7%
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.

Six Flags housing costs

Housing costs in Six Flags come to a median of $1,799 per month, while tenants specifically pay a median gross rent of $1,657.

Median housing costs per month
$1,799/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 Six Flags
$1,657/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 Six Flags

Six Flags education at a glance

About 20.2% of the population in Six Flags went to high school, while 20.7% pursued college studies. Another 6.6% earned an associate degree and 33% hold a bachelor’s. Meanwhile, 17.9% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 19 1.6% N/A
High school diploma 245 20.2% N/A
College diploma 251 20.7% N/A
Associate degree 80 6.6% N/A
Bachelor's degree 400 33% N/A
Graduate degree 217 17.9% N/A
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 Six Flags

How much people earn in Six Flags

The average annual household income in Six Flags was $142,207 in 2024, the most recent annual data available, according to the U.S. Census Bureau.

Average household income in Six Flags
$142,207/year
% year-over-year change
Median household income in Six Flags
$111,034/year
% year-over-year change

Six Flags income by age

In Six Flags, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $122,731. Those with someone between 45 and 64 in charge, often well established professionally, earn $149,301 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $79,479, while those led by someone over 65, many of whom may be retired, have about $70,236 in earnings. Overall, 95% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $79,479 N/A
25 - 44 $122,731 N/A
45 - 64 $149,301 N/A
Over 65 $70,236 N/A
Above poverty level
1,433
Below poverty level
76
Value Percent YoY
change
Above poverty level 1,433 95% N/A
Below poverty level 76 5% N/A

Employment in Six Flags

Workforce and job types in Six Flags

87.7% of the working population are employed in professional or administrative positions, while 12.3% are in hands-on or service-based jobs. Also, 7.8% run their own businesses, 67.4% are employed by private companies, and 14.9% work in the public sector.

Workforce demographics

White collar
719
Blue collar
101
Value Percent YoY change
White collar 719 87.7% N/A
Blue collar 101 12.3% N/A
Employer type
Self employees
7.8%
Private companies
67.4%
Governmental workers
14.9%
Not for profit companies
9.9%
Value Percent YoY change
Self employees 64 7.8% N/A
Private companies 552 67.4% N/A
Governmental workers 122 14.9% N/A
Not for profit companies 81 9.9% N/A

Transportation in Six Flags

How people get around in Six Flags

Commuting methods vary: 98% of residents travel by personal vehicle and 0.3% 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 647 98% N/A
Taxicab 1 0.2% N/A
Bus or trolleybus 3 0.4% N/A
Railroad 6 0.9% N/A
Bicycle 1 0.2% N/A
Walk 2 0.3% N/A
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.

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FAQs about Six Flags demographics 

What is the total population of Six Flags?

Six Flags has a total population of 1,522 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 % compared to a year ago.

What is the gender ratio in Six Flags?

The gender ratio in Six Flags is as follows:
  • 49.5% males (754 residents)
  • 50.5% females (768 residents)

What is the median age in Six Flags?

The median age in Six Flags is 40.4.

What is the age distribution of the population in Six Flags?

The age distribution in Six Flags is as follows:
  • Under 15: 14.9% (227 residents)
  • Ages 15-24: 16.8% (255 residents)
  • Ages 25-44: 24% (366 residents)
  • Ages 45-64: 29% (441 residents)
  • Over 65: 15.3% (233 residents)

What is the racial and ethnic makeup of Six Flags?

The racial and ethnic makeup of Six Flags is as follows:
  • White: 61.6% (937 residents)
  • Black or African American: 7.1% (108 residents)
  • American Indian and Alaska Native: 0.9% (14 residents)
  • Asian: 13% (198 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 11.9% (181 residents)
  • Other: 5.5% (84 residents)

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

U.S.-born citizens represent 82.2% of the population in Six Flags.

How many housing units are there in Six Flags?

There are 603 housing units in Six Flags, reflecting a % change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Six Flags has a total of 587 households, with an average of 3 people in each.

What is the median household income in Six Flags?

Six Flags has a median household income of $111,034, representing a % shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Six Flags?

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

Job types:
  • White-collar workers: 87.7% (719 residents)
  • Blue-collar workers: 12.3% (101 residents)

Places of employment:
  • Self-employed: 7.8% (64 residents)
  • Private companies: 67.4% (552 residents)
  • Governmental workers: 14.9% (122 residents)
  • Not-for-profit companies: 9.9% (81 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