Hillsboro, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Hillsboro, Illinois had a total population of 5,803, the 312th largest city in Illinois, with a median household income of $50,158, which is 40% lower than the state average. The poverty rate is 11.6%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 40% below the state average, indicating significant economic challenges.
- Housing is very affordable with a home-value-to-income ratio of just 2.2x.
Hillsboro Quick Facts
How Hillsboro 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 | 5,693 | 5,803 | +1.9% |
| Median household income | $48,158 | $50,158 | +4.2% |
| Median home value | $95,800 | $111,700 | +16.6% |
How Hillsboro 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+)
Hillsboro Rankings in Illinois
Explore Illinois Rankings
Other Cities in Montgomery County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Litchfield | 6,834 | $53,958 | 16.3% | $104,200 |
| Nokomis | 2,147 | $60,326 | 9.4% | $83,900 |
| Raymond | 1,030 | $66,591 | 23.2% | $108,200 |
| Witt | 875 | $52,500 | 22.3% | $50,700 |
| Farmersville | 763 | $63,750 | 6.9% | $116,900 |
| Taylor Springs | 633 | $45,000 | 19.7% | $67,400 |
| Coffeen | 592 | $72,500 | 21.0% | $60,800 |
| Schram City | 578 | $51,250 | 16.3% | $94,300 |
| Panama | 420 | $72,917 | 9.5% | $54,700 |
| Coalton | 357 | $76,875 | 5.9% | $92,300 |
Cities Similar to Hillsboro
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Metropolis | 5,864 | $50,399 | $86,000 | 14.9% | 17.6% |
| East Alton | 5,689 | $48,815 | $106,700 | 16.4% | 20.8% |
| Vandalia | 5,796 | $45,469 | $98,500 | 14.0% | 22.2% |
| Du Quoin | 5,726 | $54,409 | $83,100 | 11.7% | 29.6% |
| Peoria Heights | 5,825 | $60,099 | $117,700 | 29.2% | 8.2% |
Population Overview
Hillsboro is a small city located in Illinois, within Montgomery County. The total population is 5,803. It ranks as the 312th most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Hillsboro is 40.4 years. This is 4% higher than the state median of 39.0 years. Only 14.8% of residents are under 18, indicating fewer families with children.
Economy, Income & Housing
The median household income in Hillsboro is $50,158. This is 40% lower than the state median of $83,390. It is also 38% lower than the national median of $80,734. The poverty rate stands at 11.6%. This is 1% lower than the state poverty rate of 11.8%. The unemployment rate is 2.9%. This is 50% lower than the state rate of 5.8%. The median home value is $111,700. Housing costs are 58% lower than the state median of $263,300. With a home-value-to-income ratio of just 2.2x, Hillsboro is one of the most affordable housing markets in the area. 78.4% of occupied housing units are owner-occupied. This homeownership rate is 17% higher than the state average of 67.1%.
Race & Ethnicity
The largest racial or ethnic group in Hillsboro is White (non-Hispanic), making up 77.0% of the population. Black or African American residents account for 12.7%. The Hispanic or Latino population (5.7%) is well below the state average of 18.8%. The Asian population (0.4%) is well below the state average of 5.9%.
Education
13.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 65% 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 84.4%.
Data Sources & Methodology
All demographic data for Hillsboro, 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 Hillsboro, Illinois?
Hillsboro, Illinois has a population of 5,803 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Hillsboro, IL?
The median household income in Hillsboro is $50,158, which is 38% lower than the national median of $80,734.
What is the poverty rate in Hillsboro, IL?
The poverty rate in Hillsboro is 11.6%. This means approximately 451 residents live below the federal poverty line.
What is the racial makeup of Hillsboro, Illinois?
Hillsboro's population is 77.0% White, 12.7% Black, 5.7% Hispanic/Latino, and 0.4% Asian.
What is the median home value in Hillsboro, IL?
The median home value in Hillsboro is $111,700. The home-value-to-income ratio is 2.2x.
How educated is Hillsboro, Illinois?
13.1% of adults (25+) in Hillsboro hold a bachelor's degree or higher, and 6.7% hold a graduate or professional degree.