West Union, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, West Union, Illinois had a total population of 140, the 1283rd largest community in Illinois, with a median household income of $109,688, which is 32% higher than the state average. The poverty rate is 7.1%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 32% above the state average — one of the wealthiest communities in Illinois.
- Only 0.0% of adults have a bachelor's degree, well below the national average of 35.7%.
West Union Quick Facts
How West Union 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 | 164 | 140 | -14.6% |
| Median household income | $72,969 | $109,688 | +50.3% |
How West Union Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
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+)
West Union Rankings in Illinois
Explore Illinois Rankings
Other Cities in Clark County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Marshall | 4,040 | $76,250 | 6.8% | $118,500 |
| Casey | 2,239 | $48,074 | 12.9% | $91,800 |
| Martinsville | 1,187 | $61,833 | 23.4% | $69,100 |
| Westfield | 415 | $63,819 | 12.3% | $85,600 |
Cities Similar to West Union
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Old Mill Creek | 143 | $108,333 | $450,000 | 74.3% | 4.9% |
| Mount Erie | 135 | N/A | $94,300 | 14.5% | 30.5% |
| Burtons Bridge | 134 | N/A | $244,000 | 0.0% | 0.0% |
| Westervelt | 134 | N/A | N/A | 0.0% | 0.0% |
| Kingston | 132 | N/A | N/A | 14.3% | 82.6% |
A note before these figures: with a population of 140, West Union'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
West Union is a small community located in Illinois, within Clark County. The total population is 140. It ranks as the 1283rd most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in West Union is 49.9 years. This is 28% higher than the state median of 39.0 years. Only 9.3% of residents are under 18, indicating fewer families with children.
Economy, Income & Housing
The median household income in West Union is $109,688. This is 32% higher than the state median of $83,390. It is also 36% higher than the national median of $80,734. The poverty rate stands at 7.1%. This is 40% lower than the state poverty rate of 11.8%. The survey records no unemployed residents in West Union, which reflects the size of the sample rather than a labor market without joblessness. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 49% higher than the state average of 67.1%.
Race & Ethnicity
Every resident counted in West Union was recorded as White (non-Hispanic). A figure of exactly 100.0% reflects a survey sample too small to capture the community's full composition rather than a precise measurement.
Education
0.0% 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. Nationally, 35.7% of adults hold at least a bachelor's degree. No surveyed resident aged 25 or older reported leaving school before earning a high school diploma, though a rate of exactly 100% reflects the limits of a small sample.
Data Sources & Methodology
All demographic data for West Union, 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 West Union, Illinois?
West Union, Illinois has a population of 140 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in West Union, IL?
The median household income in West Union is $109,688, which is 36% higher than the national median of $80,734.
What is the poverty rate in West Union, IL?
The poverty rate in West Union is 7.1%. This means approximately 10 residents live below the federal poverty line.
What is the racial makeup of West Union, Illinois?
West Union's population is 100.0% White, 0.0% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in West Union, IL?
The Census Bureau does not publish a reliable median home value estimate for West Union — there are too few owner-occupied homes in the ACS sample. The national median is $332,700.
How educated is West Union, Illinois?
0.0% of adults (25+) in West Union hold a bachelor's degree or higher, and 0.0% hold a graduate or professional degree.