South Henderson, West Illinois, IL demographics:
population, income, and more

Total population
1,569
6.2% year-over-year change
Median household income
$59,688/yr
-12.3% year-over-year change
Housing units
737
7.6% year-over-year change

South Henderson population

How many people live in South Henderson

South Henderson is home to 1,569 residents, according to the most recent Census data. Gender-wise, 47.8% of South Henderson locals are male, and 52.2% are female.

Total population
1,569
6.2% year-over-year change
Gender ratio
Male
47.8%
750
Female
52.2%
819
Value Percent YoY change
Male 750 47.8% 1.9%
Female 819 52.2% 10.5%
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 South Henderson is 44, with the population distributed as follows: about 21.9% are children under 15, then 10.6% are in the 15 to 24 age group. Adults between 25 and 44 make up 21.8% of the population, while another 23.6% fall into the 45 to 64 bracket. Finally, around 22.1% are 65 or older.

Median age
43.8
Age breakdown
Under 15
21.9%
15 to 24
10.6%
25 to 44
21.8%
45 to 64
23.6%
Over 65
22.1%
Value Percent YoY change
Under 15 343 21.9% 23.8%
15 to 24 167 10.6% 11.3%
25 to 44 342 21.8% 13.2%
45 to 64 370 23.6% -2.1%
Over 65 347 22.1% -6.2%
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 South Henderson, 99.2% of the population are US-born citizens, while 0.8% have gained naturalized citizenship. As for race, 92.7% of locals are Caucasian, 0.1% are African American and 0.2% have Asian roots. There’s also a share of 1.8% that includes residents with two or more races.

Citizenship
U.S.-born citizens
99.2%
Non-U.S.-born citizens
0.8%
Non-citizens
0%
Value Percent YoY change
U.S.-born citizens 1,555 99.2% 6.4%
Non-U.S.-born citizens 13 0.8% 18.2%
Racial breakdown
White
92.7%
Black or African American
0.1%
American Indian and Alaska Native
2.1%
Asian
0.2%
Native Hawaiian and other Pacific Islander
0%
Two or more races
1.8%
Other
3.1%
Value Percent
White 1,455 92.7%
Black or African American 1 0.1%
American Indian and Alaska Native 33 2.1%
Asian 3 0.2%
Two or more races 29 1.8%
Other 48 3.1%

Households in South Henderson

A peek inside South Henderson households

South Henderson has 618 households, with an average of 2 members in each. Of these, 74.4% are families, while the remaining 25.6% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
618
6.5% year-over-year change
Average people per household
2
Non-family households
158
Family households
460
Value Percent YoY change
Non-family households 158 25.6% 6.0%
Family households 460 74.4% 6.7%
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 South Henderson

The housing landscape of South Henderson

South Henderson's housing consists of 737 units, with 84.5% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 0.1% 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 9.6% of the housing landscape.

Housing units
737
7.6% year-over-year change
Housing types
Value Percent
1 unit, detached 623 84.5%
1 unit, attached 1 0.1%
2 units 4 0.5%
3 or 4 units 10 1.4%
5 to 9 units 5 0.7%
10 to 19 units 1 0.1%
20 to 49 units 22 3%
Mobile home 71 9.6%
Homes built since 2020
1
-50.0% year-over-year change

The age of buildings in South Henderson

In South Henderson, the median construction year is 1961. About 27.9% of homes were built before the 1940s, with another 9.7% going up by 1949. Most development happened in the second half of the 20th century. Then, 5.4% of homes were added from 2000 to 2009, 0.7% 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 206 27.9% 5.6%
Built between 1940 and 1949 72 9.7% 18.0%
Built between 1950 and 1959 73 9.9% 15.9%
Built between 1960 and 1969 47 6.4% -26.6%
Built between 1970 and 1979 160 21.6% 21.2%
Built between 1980 and 1989 70 9.5% -9.1%
Built between 1990 and 1999 65 8.8% 22.6%
Built between 2000 and 2009 40 5.4% 17.6%
Built between 2010 and 2019 5 0.7% 66.7%
Built in 2020 or later 1 0.1% -50.0%
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.

South Henderson occupancy rates

Out of the 618 occupied housing units in South Henderson, 76.5% are owner-occupied, while 23.3% are lived in by tenants. Meanwhile, 16.1% of all homes on the local market sit vacant.

Occupied housing units
618
6.5% year-over-year change
Occupancy breakdown
Renter occupied
144
Owner occupied
473
Value Percent YoY
change
Renter occupied 144 23.3% 29.7%
Owner occupied 473 76.5% 0.6%
Unoccupied housing units
16.1%
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.

South Henderson housing costs

Housing costs in South Henderson come to a median of $754 per month, while tenants specifically pay a median gross rent of $884.

Median housing costs per month
$754/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 South Henderson
$884/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 South Henderson

South Henderson education at a glance

About 41.4% of the population in South Henderson went to high school, while 24.2% pursued college studies. Another 12.5% earned an associate degree and 13.4% hold a bachelor’s. Meanwhile, 5.6% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 33 2.8% -15.4%
High school diploma 478 41.4% -3.0%
College diploma 280 24.2% 10.2%
Associate degree 145 12.5% 9.0%
Bachelor's degree 155 13.4% 7.6%
Graduate degree 65 5.6% -7.1%
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 South Henderson

How much people earn in South Henderson

The average annual household income in South Henderson was $62,431 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -3% change from the previous year. At the same time, the median income stood at $59,688, reflecting a -12.3% shift over the same period.

Average household income in South Henderson
$62,431/year
-3.0% year-over-year change
Median household income in South Henderson
$59,688/year
-12.3% year-over-year change

South Henderson income by age

In South Henderson, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $82,596. Those with someone between 45 and 64 in charge, often well established professionally, earn $76,786 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $71,875, while those led by someone over 65, many of whom may be retired, have about $52,943 in earnings. Overall, 78.6% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $71,875 78.3%
25 - 44 $82,596 7.4%
45 - 64 $76,786 4.8%
Over 65 $52,943 5.2%
Above poverty level
1,198
Below poverty level
327
Value Percent YoY
change
Above poverty level 1,198 78.6% -5.7%
Below poverty level 327 21.4% 99.4%

Employment in South Henderson

Workforce and job types in South Henderson

67.2% of the working population are employed in professional or administrative positions, while 32.8% are in hands-on or service-based jobs. Also, 8.6% run their own businesses, 67.1% are employed by private companies, and 17.4% work in the public sector.

Workforce demographics

White collar
435
Blue collar
212
Value Percent YoY change
White collar 435 67.2% 5.1%
Blue collar 212 32.8% 9.8%
Employer type
Self employees
8.6%
Private companies
67.1%
Governmental workers
17.4%
Not for profit companies
6.8%
Value Percent YoY change
Self employees 56 8.6% 3.7%
Private companies 435 67.1% 12.4%
Governmental workers 113 17.4% 8.7%
Not for profit companies 44 6.8% -30.2%

Transportation in South Henderson

How people get around in South Henderson

In South Henderson, the average commute time is 31 minutes. Commuting methods vary: 96.9% of residents travel by personal vehicle and 2.4% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
31 min
Means of transportation
Value Percent YoY change
Car 562 96.9% 6.4%
Bus or trolleybus 4 0.7% N/A
Walk 14 2.4% -12.5%
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.

Explore more communities

FAQs about South Henderson demographics 

What is the total population of South Henderson?

South Henderson has a total population of 1,569 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 +6.2% compared to a year ago.

What is the gender ratio in South Henderson?

The gender ratio in South Henderson is as follows:
  • 47.8% males (750 residents)
  • 52.2% females (819 residents)

What is the median age in South Henderson?

The median age in South Henderson is 43.8.

What is the age distribution of the population in South Henderson?

The age distribution in South Henderson is as follows:
  • Under 15: 21.9% (343 residents)
  • Ages 15-24: 10.6% (167 residents)
  • Ages 25-44: 21.8% (342 residents)
  • Ages 45-64: 23.6% (370 residents)
  • Over 65: 22.1% (347 residents)

What is the racial and ethnic makeup of South Henderson?

The racial and ethnic makeup of South Henderson is as follows:
  • White: 92.7% (1,455 residents)
  • Black or African American: 0.1% (1 residents)
  • American Indian and Alaska Native: 2.1% (33 residents)
  • Asian: 0.2% (3 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 1.8% (29 residents)
  • Other: 3.1% (48 residents)

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

U.S.-born citizens represent 99.2% of the population in South Henderson.

How many housing units are there in South Henderson?

There are 737 housing units in South Henderson, reflecting a +7.6% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

South Henderson has a total of 618 households, with an average of 2 people in each.

What is the median household income in South Henderson?

South Henderson has a median household income of $59,688, representing a -12.3% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for South Henderson?

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

Job types:
  • White-collar workers: 67.2% (435 residents)
  • Blue-collar workers: 32.8% (212 residents)

Places of employment:
  • Self-employed: 8.6% (56 residents)
  • Private companies: 67.1% (435 residents)
  • Governmental workers: 17.4% (113 residents)
  • Not-for-profit companies: 6.8% (44 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