Warrensburg, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Warrensburg, Illinois had a total population of 921, the 722nd largest village in Illinois, with a median household income of $81,719, which is 2% lower than the state average. The poverty rate is 8.1%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Housing is very affordable with a home-value-to-income ratio of just 1.8x.
Warrensburg Quick Facts
How Warrensburg 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 | 1,076 | 921 | -14.4% |
| Median household income | $88,897 | $81,719 | -8.1% |
| Median home value | $141,100 | $145,400 | +3.0% |
How Warrensburg 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+)
Warrensburg Rankings in Illinois
Explore Illinois Rankings
Other Cities in Macon County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Decatur | 69,815 | $51,592 | 19.4% | $99,600 |
| Mount Zion | 5,660 | $103,365 | 4.0% | $201,100 |
| Forsyth | 3,502 | $112,000 | 11.3% | $281,000 |
| Maroa | 1,714 | $72,500 | 6.8% | $126,800 |
| Harristown | 1,550 | $72,426 | 9.5% | $117,700 |
| Long Creek | 1,392 | $78,519 | 6.7% | $167,500 |
| Macon | 1,047 | $68,750 | 7.3% | $108,600 |
| Oreana | 1,037 | $89,000 | 3.0% | $137,300 |
| Blue Mound | 882 | $70,329 | 8.7% | $123,100 |
| Argenta | 879 | $73,482 | 5.2% | $106,300 |
Cities Similar to Warrensburg
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Hennepin | 929 | $83,000 | $168,300 | 20.9% | 8.0% |
| Ashkum | 918 | $78,365 | $150,600 | 15.9% | 5.2% |
| Odell | 890 | $83,558 | $121,000 | 10.6% | 9.6% |
| Lockport Heights | 890 | $78,211 | $192,200 | 12.1% | 0.0% |
| Sidney | 936 | $88,618 | $197,600 | 24.5% | 4.3% |
A note before these figures: with a population of 921, Warrensburg'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
Warrensburg is a small community located in Illinois, within Macon County. The total population is 921. It ranks as the 722nd most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Warrensburg is 46.8 years. This is 20% higher than the state median of 39.0 years. 13.0% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Warrensburg is $81,719. This is 2% lower than the state median of $83,390. It is also 1% higher than the national median of $80,734. The poverty rate stands at 8.1%. This is 31% lower than the state poverty rate of 11.8%. The unemployment rate is 5.6%. This is 4% lower than the state rate of 5.8%. The median home value is $145,400. Housing costs are 45% lower than the state median of $263,300. With a home-value-to-income ratio of just 1.8x, Warrensburg is one of the most affordable housing markets in the area. 76.1% of occupied housing units are owner-occupied. This homeownership rate is 13% higher than the state average of 67.1%.
Race & Ethnicity
Warrensburg has a predominantly White (non-Hispanic) population, comprising 91.4% of all residents. Hispanic or Latino residents account for 1.3%. The White (non-Hispanic) population is significantly higher than the state average (91.4% vs 58.1%). The Hispanic or Latino population (1.3%) is well below the state average of 18.8%.
Education
17.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 53% 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 92.8%.
Data Sources & Methodology
All demographic data for Warrensburg, 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 Warrensburg, Illinois?
Warrensburg, Illinois has a population of 921 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Warrensburg, IL?
The median household income in Warrensburg is $81,719, which is 1% higher than the national median of $80,734.
What is the poverty rate in Warrensburg, IL?
The poverty rate in Warrensburg is 8.1%. This means approximately 74 residents live below the federal poverty line.
What is the racial makeup of Warrensburg, Illinois?
Warrensburg's population is 91.4% White, 0.0% Black, 1.3% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Warrensburg, IL?
The median home value in Warrensburg is $145,400. The home-value-to-income ratio is 1.8x.
How educated is Warrensburg, Illinois?
17.7% of adults (25+) in Warrensburg hold a bachelor's degree or higher, and 3.2% hold a graduate or professional degree.