Wilsonville, Illinois Demographics & Population 2026

Name: Wilsonville, Illinois Demographics
Creator: U.S. Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

During the 2020–2024 ACS period, Wilsonville, Illinois had a total population of 505, the 930th largest village in Illinois, with a median household income of $45,417, which is 46% lower than the state average. The poverty rate is 12.5%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Key Takeaways

Household income is 46% below the state average, indicating significant economic challenges.
Only 4.9% of adults have a bachelor's degree, well below the national average of 35.7%.
Housing is very affordable with a home-value-to-income ratio of just 1.9x.
Near full employment with an unemployment rate of just 2.4%.

Wilsonville Quick Facts

Population 505

Median Household Income $45,417

Median Home Value $85,000

Poverty Rate 12.5%

Unemployment Rate 2.4%

Median Age 40.3 years

Homeownership Rate 65.8%

Affordability Ratio 1.9x

Bachelor's Degree or Higher 4.9%

High School Graduation Rate 79.3%

Diversity Index 4/100

Population 505 930th of 1,445

Median Income $45,417 bottom 10%

Poverty Rate 12.5% about the same as national

Median Home Value $85,000 bottom 30%

How Wilsonville Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric	2019–2023	2020–2024	Change
Population	492	505	+2.6%
Median household income	$49,038	$45,417	-7.4%
Median home value	$86,000	$85,000	-1.2%

How Wilsonville Compares

Median Household Income

Wilsonville

$45,417

$83,390

National

$80,734

Median Home Value

Wilsonville

$85,000

$263,300

National

$332,700

Economy & Housing

Household Income Distribution

Under $25K 29.5%

$25K-$50K 27.4%

$50K-$100K 23.7%

$100K+ 19.5%

Detailed income brackets

Under $10K

8.4%

$10K-$15K

6.8%

$15K-$20K

4.7%

$20K-$25K

9.5%

$25K-$30K

6.3%

$30K-$35K

6.8%

$35K-$40K

3.7%

$40K-$45K

2.6%

$45K-$50K

7.9%

$50K-$60K

7.4%

$60K-$75K

6.3%

$75K-$100K

10.0%

$100K-$125K

17.4%

$125K-$150K

1.1%

$150K-$200K

1.1%

$200K+

0.0%

Employment

2.4% Unemployment Rate State: 5.8%|National: 5.2%

48.5% Labor Force Participation

Housing Overview

Owner 65.8%

Renter 34.2%

Affordability Index Very Affordable

1.9x home value to income ratio

Median gross rent $833/mo 22.0% of median household income annually

People & Demographics

Age Distribution

Under 18

22.0%

18-34

14.5%

35-54

36.6%

55-74

21.0%

75+

5.9%

Race & Ethnicity

Diversity Index

Very Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 61 | National average: 61

Education

Educational Attainment (Adults 25+)

Wilsonville Rankings in Illinois

#930 Population of 1,445

#1249 Median Income of 1,374

#1303 Education of 1,444

#1061 Home Value of 1,372

Explore Illinois Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Other Cities in Macoupin County

City	Population	Median Income	Poverty	Home Value
Carlinville	5,480	$57,708	20.5%	$105,700
Staunton	4,298	$57,904	14.5%	$143,500
Gillespie	2,815	$82,772	17.1%	$91,000
Brighton	2,306	$80,214	10.1%	$145,000
Mount Olive	1,872	$55,625	17.8%	$94,100
Girard	1,743	$50,300	31.0%	$98,100
Benld	1,495	$47,850	15.4%	$82,400
Bunker Hill	1,178	$75,917	10.5%	$137,500
Shipman	618	$56,771	13.7%	$89,400
Palmyra	486	$44,276	8.0%	$87,500

Cities Similar to Wilsonville

These cities in the same state have comparable population and economic profiles.

City	Population	Median Income	Home Value	Bachelor's+	Poverty
Olive Branch	499	N/A	$61,500	3.0%	30.1%
Thompsonville	500	$46,058	$84,500	12.2%	18.0%
Grand Tower	502	$46,875	$39,000	2.1%	30.1%
Keithsburg	490	$44,625	$65,900	2.8%	17.1%
Palmyra	486	$44,276	$87,500	8.8%	8.0%

A note before these figures: with a population of 505, Wilsonville's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.

Population Overview

Wilsonville is a small community located in Illinois, within Macoupin County. The total population is 505. It ranks as the 930th most populous out of 1,445 Census-designated places in Illinois.

Age Demographics

The median age in Wilsonville is 40.3 years. This is 3% higher than the state median of 39.0 years.

Economy, Income & Housing

The median household income in Wilsonville is $45,417. This is 46% lower than the state median of $83,390. It is also 44% lower than the national median of $80,734. The poverty rate stands at 12.5%. This is 6% higher than the state poverty rate of 11.8%. The unemployment rate is 2.4%. This is 59% lower than the state rate of 5.8%. The median home value is $85,000. Housing costs are 68% lower than the state median of $263,300. With a home-value-to-income ratio of just 1.9x, Wilsonville is one of the most affordable housing markets in the area. 65.8% of occupied housing units are owner-occupied. This homeownership rate is 2% lower than the state average of 67.1%.

Race & Ethnicity

Wilsonville has a predominantly White (non-Hispanic) population, comprising 98.2% of all residents. Hispanic or Latino residents account for 0.4%. The White (non-Hispanic) population is significantly higher than the state average (98.2% vs 58.1%). The Hispanic or Latino population (0.4%) is well below the state average of 18.8%.

Education

4.9% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. This is 87% lower than the state rate of 37.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 79.3%.

Data Sources & Methodology

All demographic data for Wilsonville, Illinois is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Illinois state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,445 Census-designated places in Illinois. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.

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Frequently Asked Questions

What is the population of Wilsonville, Illinois?

Wilsonville, Illinois has a population of 505 according to the most recent U.S. Census ACS 5-Year Estimates.

What is the median household income in Wilsonville, IL?

The median household income in Wilsonville is $45,417, which is 44% lower than the national median of $80,734.

What is the poverty rate in Wilsonville, IL?

The poverty rate in Wilsonville is 12.5%. This means approximately 63 residents live below the federal poverty line.

What is the racial makeup of Wilsonville, Illinois?

Wilsonville's population is 98.2% White, 0.0% Black, 0.4% Hispanic/Latino, and 0.0% Asian.

What is the median home value in Wilsonville, IL?

The median home value in Wilsonville is $85,000. The home-value-to-income ratio is 1.9x.

How educated is Wilsonville, Illinois?

4.9% of adults (25+) in Wilsonville hold a bachelor's degree or higher, and 2.5% hold a graduate or professional degree.