Southwest Warren, West Illinois, IL demographics:
population, income, and more

Total population
850
2.3% year-over-year change
Median household income
$75,625/yr
19.8% year-over-year change
Housing units
362
-4.2% year-over-year change

Southwest Warren population

How many people live in Southwest Warren

Southwest Warren is home to 850 residents, according to the most recent Census data. Gender-wise, 58.2% of Southwest Warren locals are male, and 41.8% are female.

Total population
850
2.3% year-over-year change
Gender ratio
Male
58.2%
495
Female
41.8%
355
Value Percent YoY change
Male 495 58.2% -2.6%
Female 355 41.8% 9.9%
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 Southwest Warren is 44, with the population distributed as follows: about 27.7% are children under 15, then 9.9% are in the 15 to 24 age group. Adults between 25 and 44 make up 28.4% of the population, while another 13.9% fall into the 45 to 64 bracket. Finally, around 20.1% are 65 or older.

Median age
44.2
Age breakdown
Under 15
27.7%
15 to 24
9.9%
25 to 44
28.4%
45 to 64
13.9%
Over 65
20.1%
Value Percent YoY change
Under 15 235 27.7% -4.5%
15 to 24 84 9.9% 27.3%
25 to 44 241 28.4% -0.4%
45 to 64 118 13.9% 19.2%
Over 65 171 20.1% -3.9%
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 Southwest Warren, 99.1% of the population are US-born citizens, while 0.5% have gained naturalized citizenship. At the same time, 0.5% of residents are non-citizens. There’s also a share of 1.4% that includes residents with two or more races.

Citizenship
U.S.-born citizens
99.1%
Non-U.S.-born citizens
0.5%
Non-citizens
0.5%
Value Percent YoY change
U.S.-born citizens 841 99.1% 2.7%
Non-U.S.-born citizens 4 0.5% -33.3%
Non-citizens 4 0.5% -33.3%
Racial breakdown
White
96.1%
Black or African American
0%
American Indian and Alaska Native
0.1%
Asian
0.2%
Native Hawaiian and other Pacific Islander
0%
Two or more races
1.4%
Other
2.1%
Value Percent
White 816 96.1%
American Indian and Alaska Native 1 0.1%
Asian 2 0.2%
Two or more races 12 1.4%
Other 18 2.1%

Households in Southwest Warren

A peek inside Southwest Warren households

Southwest Warren has 350 households, with an average of 2 members in each. Of these, 69.4% are families, while the remaining 30.6% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
350
2.6% year-over-year change
Average people per household
2
Non-family households
107
Family households
243
Value Percent YoY change
Non-family households 107 30.6% -7.8%
Family households 243 69.4% 8.0%
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 Southwest Warren

The housing landscape of Southwest Warren

Southwest Warren's housing consists of 362 units, with 94.8% being detached single-family homes ideal for those wanting space. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 2.2% of the housing landscape.

Housing units
362
-4.2% year-over-year change
Housing types
Value Percent
1 unit, detached 344 94.8%
2 units 4 1.1%
3 or 4 units 4 1.1%
5 to 9 units 2 0.6%
50 or more units 1 0.3%
Mobile home 8 2.2%
Homes built since 2020
1
0.0% year-over-year change

The age of buildings in Southwest Warren

In Southwest Warren, the median construction year is 1949. About 38.8% of homes were built before the 1940s, with another 5.5% going up by 1949. Most development happened in the second half of the 20th century. Then, 1.7% of homes were added from 2000 to 2009, 9.4% 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 140 38.8% -14.1%
Built between 1940 and 1949 20 5.5% -13.0%
Built between 1950 and 1959 62 17.2% 24.0%
Built between 1960 and 1969 11 3% -21.4%
Built between 1970 and 1979 64 17.7% -9.9%
Built between 1980 and 1989 15 4.2% -6.2%
Built between 1990 and 1999 8 2.2% 0.0%
Built between 2000 and 2009 6 1.7% -25.0%
Built between 2010 and 2019 34 9.4% 36.0%
Built in 2020 or later 1 0.3% 0.0%
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.

Southwest Warren occupancy rates

Out of the 350 occupied housing units in Southwest Warren, 80.9% are owner-occupied, while 19.1% are lived in by tenants. Meanwhile, 3.3% of all homes on the local market sit vacant.

Occupied housing units
350
2.6% year-over-year change
Occupancy breakdown
Renter occupied
67
Owner occupied
283
Value Percent YoY
change
Renter occupied 67 19.1% 1.5%
Owner occupied 283 80.9% 2.9%
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.

Southwest Warren housing costs

Housing costs in Southwest Warren come to a median of $884 per month, while tenants specifically pay a median gross rent of $743.

Median housing costs per month
$884/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 Southwest Warren
$743/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 Southwest Warren

Southwest Warren education at a glance

About 33.3% of the population in Southwest Warren went to high school, while 15.2% pursued college studies. Another 18.2% earned an associate degree and 17.2% hold a bachelor’s. Meanwhile, 6.3% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 56 9.8% -9.7%
High school diploma 190 33.3% 0.0%
College diploma 87 15.2% -9.4%
Associate degree 104 18.2% 3.0%
Bachelor's degree 98 17.2% 10.1%
Graduate degree 36 6.3% 56.5%
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 Southwest Warren

How much people earn in Southwest Warren

The average annual household income in Southwest Warren was $86,500 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -3.6% change from the previous year. At the same time, the median income stood at $75,625, reflecting a +19.8% shift over the same period.

Average household income in Southwest Warren
$86,500/year
-3.6% year-over-year change
Median household income in Southwest Warren
$75,625/year
19.8% year-over-year change

Southwest Warren income by age

In Southwest Warren, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $70,876. Those with someone between 45 and 64 in charge, often well established professionally, earn $75,000 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $25,208, while those led by someone over 65, many of whom may be retired, have about $88,011 in earnings. Overall, 85.4% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $25,208 -0.7%
25 - 44 $70,876 4.7%
45 - 64 $75,000 21.8%
Over 65 $88,011 0.0%
Above poverty level
699
Below poverty level
120
Value Percent YoY
change
Above poverty level 699 85.4% 2.3%
Below poverty level 120 14.6% 5.3%

Employment in Southwest Warren

Workforce and job types in Southwest Warren

70.4% of the working population are employed in professional or administrative positions, while 29.6% are in hands-on or service-based jobs. Also, 32.2% run their own businesses, 49.7% are employed by private companies, and 10.2% work in the public sector.

Workforce demographics

White collar
221
Blue collar
93
Value Percent YoY change
White collar 221 70.4% 22.1%
Blue collar 93 29.6% -9.7%
Employer type
Self employees
32.2%
Private companies
49.7%
Governmental workers
10.2%
Not for profit companies
8%
Value Percent YoY change
Self employees 101 32.2% 12.2%
Private companies 156 49.7% 5.4%
Governmental workers 32 10.2% 18.5%
Not for profit companies 25 8% 31.6%

Transportation in Southwest Warren

How people get around in Southwest Warren

Commuting methods vary: 98.3% 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 287 98.3% 10.4%
Walk 5 1.7% 25.0%
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 Southwest Warren demographics 

What is the total population of Southwest Warren?

Southwest Warren has a total population of 850 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 +2.3% compared to a year ago.

What is the gender ratio in Southwest Warren?

The gender ratio in Southwest Warren is as follows:
  • 58.2% males (495 residents)
  • 41.8% females (355 residents)

What is the median age in Southwest Warren?

The median age in Southwest Warren is 44.2.

What is the age distribution of the population in Southwest Warren?

The age distribution in Southwest Warren is as follows:
  • Under 15: 27.7% (235 residents)
  • Ages 15-24: 9.9% (84 residents)
  • Ages 25-44: 28.4% (241 residents)
  • Ages 45-64: 13.9% (118 residents)
  • Over 65: 20.1% (171 residents)

What is the racial and ethnic makeup of Southwest Warren?

The racial and ethnic makeup of Southwest Warren is as follows:
  • White: 96.1% (816 residents)
  • Black or African American: 0% ( residents)
  • American Indian and Alaska Native: 0.1% (1 residents)
  • Asian: 0.2% (2 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 1.4% (12 residents)
  • Other: 2.1% (18 residents)

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

U.S.-born citizens represent 99.1% of the population in Southwest Warren.

How many housing units are there in Southwest Warren?

There are 362 housing units in Southwest Warren, reflecting a -4.2% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Southwest Warren has a total of 350 households, with an average of 2 people in each.

What is the median household income in Southwest Warren?

Southwest Warren has a median household income of $75,625, representing a +19.8% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Southwest Warren?

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

Job types:
  • White-collar workers: 70.4% (221 residents)
  • Blue-collar workers: 29.6% (93 residents)

Places of employment:
  • Self-employed: 32.2% (101 residents)
  • Private companies: 49.7% (156 residents)
  • Governmental workers: 10.2% (32 residents)
  • Not-for-profit companies: 8% (25 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