Cottage Hills, IL demographics:
population, income, and more

Total population
3,184
5.9% year-over-year change
Median household income
$40,438/yr
-3.1% year-over-year change
Housing units
1,298
6.4% year-over-year change

Cottage Hills population

How many people live in Cottage Hills

Cottage Hills is home to 3,184 residents, according to the most recent Census data. Gender-wise, 50.8% of Cottage Hills locals are male, and 49.2% are female.

Total population
3,184
5.9% year-over-year change
Gender ratio
Male
50.8%
1,618
Female
49.2%
1,566
Value Percent YoY change
Male 1,618 50.8% 6.7%
Female 1,566 49.2% 5.1%
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 Cottage Hills is 38, with the population distributed as follows: about 24.8% are children under 15, then 13.2% are in the 15 to 24 age group. Adults between 25 and 44 make up 26.6% of the population, while another 19.4% fall into the 45 to 64 bracket. Finally, around 16% are 65 or older.

Median age
37.5
Age breakdown
Under 15
24.8%
15 to 24
13.2%
25 to 44
26.6%
45 to 64
19.4%
Over 65
16%
Value Percent YoY change
Under 15 788 24.8% 11.6%
15 to 24 420 13.2% 30.4%
25 to 44 848 26.6% 0.8%
45 to 64 618 19.4% 5.1%
Over 65 510 16% -7.1%
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 Cottage Hills, 99.4% of the population are US-born citizens, while 0.5% have gained naturalized citizenship. At the same time, 0.1% of residents are non-citizens. There’s also a share of 5.6% that includes residents with two or more races.

Citizenship
U.S.-born citizens
99.4%
Non-U.S.-born citizens
0.5%
Non-citizens
0.1%
Value Percent YoY change
U.S.-born citizens 3,164 99.4% 5.9%
Non-U.S.-born citizens 17 0.5% -10.5%
Non-citizens 3 0.1% N/A
Racial breakdown
White
87.1%
Black or African American
7%
American Indian and Alaska Native
0%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
5.6%
Other
0.3%
Value Percent
White 2,772 87.1%
Black or African American 223 7%
Two or more races 180 5.6%
Other 9 0.3%

Households in Cottage Hills

A peek inside Cottage Hills households

Cottage Hills has 1,210 households, with an average of 3 members in each. Of these, 63% are families, while the remaining 37% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
1,210
2.3% year-over-year change
Average people per household
3
Non-family households
448
Family households
762
Value Percent YoY change
Non-family households 448 37% -6.5%
Family households 762 63% 8.2%
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 Cottage Hills

The housing landscape of Cottage Hills

Cottage Hills's housing consists of 1,298 units, with 70.3% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 1.6% 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 19.9% of the housing landscape.

Housing units
1,298
6.4% year-over-year change
Housing types
Value Percent
1 unit, detached 912 70.3%
1 unit, attached 21 1.6%
2 units 23 1.8%
3 or 4 units 44 3.4%
10 to 19 units 7 0.5%
20 to 49 units 33 2.5%
Mobile home 258 19.9%
Homes built since 2020
31
% year-over-year change

The age of buildings in Cottage Hills

In Cottage Hills, the median construction year is 1967. About 6.8% of homes were built before the 1940s, with another 14.6% going up by 1949. Most development happened in the second half of the 20th century. Then, 12.6% of homes were added from 2000 to 2009, 12.3% between 2010 and 2019, and 2.4% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 88 6.8% 4.8%
Built between 1940 and 1949 190 14.6% 8.0%
Built between 1950 and 1959 331 25.5% -1.2%
Built between 1960 and 1969 56 4.3% -5.1%
Built between 1970 and 1979 179 13.8% -3.2%
Built between 1980 and 1989 44 3.4% 69.2%
Built between 1990 and 1999 55 4.2% -47.6%
Built between 2000 and 2009 164 12.6% 15.5%
Built between 2010 and 2019 160 12.3% 48.1%
Built in 2020 or later 31 2.4% 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.

Cottage Hills occupancy rates

Out of the 1,210 occupied housing units in Cottage Hills, 67% are owner-occupied, while 33% are lived in by tenants. Meanwhile, 6.8% of all homes on the local market sit vacant.

Occupied housing units
1,210
2.3% year-over-year change
Occupancy breakdown
Renter occupied
399
Owner occupied
811
Value Percent YoY
change
Renter occupied 399 33% 9.6%
Owner occupied 811 67% -1.0%
Unoccupied housing units
6.8%
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.

Cottage Hills housing costs

Housing costs in Cottage Hills come to a median of $743 per month, while tenants specifically pay a median gross rent of $1,052.

Median housing costs per month
$743/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 Cottage Hills
$1,052/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 Cottage Hills

Cottage Hills education at a glance

About 56.8% of the population in Cottage Hills went to high school, while 29.3% pursued college studies. Another 6.8% earned an associate degree and 2% hold a bachelor’s. Meanwhile, 1.3% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 88 3.8% 144.4%
High school diploma 1,304 56.8% 2.9%
College diploma 672 29.3% 28.2%
Associate degree 156 6.8% -33.6%
Bachelor's degree 46 2% -50.0%
Graduate degree 29 1.3% -6.5%
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 Cottage Hills

How much people earn in Cottage Hills

The average annual household income in Cottage Hills was $50,227 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -1.2% change from the previous year. At the same time, the median income stood at $40,438, reflecting a -3.1% shift over the same period.

Average household income in Cottage Hills
$50,227/year
-1.2% year-over-year change
Median household income in Cottage Hills
$40,438/year
-3.1% year-over-year change

Cottage Hills income by age

In Cottage Hills, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $68,083. Those with someone between 45 and 64 in charge, often well established professionally, earn $44,375 overall. Overall, 69.6% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $68,083 1.8%
45 - 64 $44,375 8.5%
Over 65 $24,068 4.8%
Above poverty level
2,142
Below poverty level
938
Value Percent YoY
change
Above poverty level 2,142 69.6% 8.6%
Below poverty level 938 30.4% 1.2%

Employment in Cottage Hills

Workforce and job types in Cottage Hills

58.3% of the working population are employed in professional or administrative positions, while 41.7% are in hands-on or service-based jobs. Also, 5.8% run their own businesses, 81.9% are employed by private companies, and 9.6% work in the public sector.

Workforce demographics

White collar
675
Blue collar
483
Value Percent YoY change
White collar 675 58.3% -7.0%
Blue collar 483 41.7% 10.8%
Employer type
Self employees
5.8%
Private companies
81.9%
Governmental workers
9.6%
Not for profit companies
2.8%
Value Percent YoY change
Self employees 67 5.8% 28.9%
Private companies 948 81.9% -3.1%
Governmental workers 111 9.6% 1.8%
Not for profit companies 32 2.8% 39.1%

Transportation in Cottage Hills

How people get around in Cottage Hills

Commuting methods vary: 96.4% of residents travel by personal vehicle and 2.9% 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 951 96.4% -7.7%
Taxicab 6 0.6% -14.3%
Bus or trolleybus 1 0.1% -50.0%
Walk 29 2.9% 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.

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

Zipcode Population Number of households Median income Average income
62018 3,184 1,210 $40,438 $50,291

Explore more communities

FAQs about Cottage Hills demographics 

What is the total population of Cottage Hills?

Cottage Hills has a total population of 3,184 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 +5.9% compared to a year ago.

What is the gender ratio in Cottage Hills?

The gender ratio in Cottage Hills is as follows:
  • 50.8% males (1,618 residents)
  • 49.2% females (1,566 residents)

What is the median age in Cottage Hills?

The median age in Cottage Hills is 37.5.

What is the age distribution of the population in Cottage Hills?

The age distribution in Cottage Hills is as follows:
  • Under 15: 24.8% (788 residents)
  • Ages 15-24: 13.2% (420 residents)
  • Ages 25-44: 26.6% (848 residents)
  • Ages 45-64: 19.4% (618 residents)
  • Over 65: 16% (510 residents)

What is the racial and ethnic makeup of Cottage Hills?

The racial and ethnic makeup of Cottage Hills is as follows:
  • White: 87.1% (2,772 residents)
  • Black or African American: 7% (223 residents)
  • American Indian and Alaska Native: 0% ( residents)
  • Asian: 0% ( residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 5.6% (180 residents)
  • Other: 0.3% (9 residents)

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

U.S.-born citizens represent 99.4% of the population in Cottage Hills.

How many housing units are there in Cottage Hills?

There are 1,298 housing units in Cottage Hills, reflecting a +6.4% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Cottage Hills has a total of 1,210 households, with an average of 3 people in each.

What is the median household income in Cottage Hills?

Cottage Hills has a median household income of $40,438, representing a -3.1% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Cottage Hills?

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

Job types:
  • White-collar workers: 58.3% (675 residents)
  • Blue-collar workers: 41.7% (483 residents)

Places of employment:
  • Self-employed: 5.8% (67 residents)
  • Private companies: 81.9% (948 residents)
  • Governmental workers: 9.6% (111 residents)
  • Not-for-profit companies: 2.8% (32 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