Martinsville, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Martinsville, Illinois had a total population of 1,187, the 653rd largest city in Illinois, with a median household income of $61,833, which is 26% lower than the state average. The poverty rate is 23.4%.
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 1.1x.
Martinsville Quick Facts
How Martinsville 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 | 1,212 | 1,187 | -2.1% |
| Median household income | $65,000 | $61,833 | -4.9% |
| Median home value | $73,600 | $69,100 | -6.1% |
How Martinsville 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+)
Martinsville 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 |
| Westfield | 415 | $63,819 | 12.3% | $85,600 |
| West Union | 140 | $109,688 | 7.1% | N/A |
Cities Similar to Martinsville
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Camp Point | 1,230 | $62,188 | $127,800 | 19.4% | 14.9% |
| Atwood | 1,144 | $62,383 | $128,200 | 15.0% | 9.4% |
| Royalton | 1,214 | $59,219 | $71,500 | 19.6% | 11.0% |
| Milledgeville | 1,218 | $59,417 | $94,200 | 19.3% | 11.3% |
| Mendon | 1,167 | $65,781 | $111,600 | 12.9% | 15.7% |
Population Overview
Martinsville is a small community located in Illinois, within Clark County. The total population is 1,187. It ranks as the 653rd most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Martinsville is 50.1 years. This is 28% higher than the state median of 39.0 years.
Economy, Income & Housing
The median household income in Martinsville is $61,833. This is 26% lower than the state median of $83,390. It is also 23% lower than the national median of $80,734. The poverty rate stands at 23.4%. This is 98% higher than the state poverty rate of 11.8%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 4.6%. This is 21% lower than the state rate of 5.8%. The median home value is $69,100. Housing costs are 74% lower than the state median of $263,300. With a home-value-to-income ratio of just 1.1x, Martinsville is one of the most affordable housing markets in the area. 75.8% of occupied housing units are owner-occupied. This homeownership rate is 13% higher than the state average of 67.1%.
Race & Ethnicity
Martinsville has a predominantly White (non-Hispanic) population, comprising 97.6% of all residents. Hispanic or Latino residents account for 1.0%. The White (non-Hispanic) population is significantly higher than the state average (97.6% vs 58.1%). The Hispanic or Latino population (1.0%) is well below the state average of 18.8%. The Asian population (0.4%) is well below the state average of 5.9%.
Education
21.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 42% 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 93.2%.
Data Sources & Methodology
All demographic data for Martinsville, 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 Martinsville, Illinois?
Martinsville, Illinois has a population of 1,187 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Martinsville, IL?
The median household income in Martinsville is $61,833, which is 23% lower than the national median of $80,734.
What is the poverty rate in Martinsville, IL?
The poverty rate in Martinsville is 23.4%. This means approximately 275 residents live below the federal poverty line.
What is the racial makeup of Martinsville, Illinois?
Martinsville's population is 97.6% White, 0.0% Black, 1.0% Hispanic/Latino, and 0.4% Asian.
What is the median home value in Martinsville, IL?
The median home value in Martinsville is $69,100. The home-value-to-income ratio is 1.1x.
How educated is Martinsville, Illinois?
21.9% of adults (25+) in Martinsville hold a bachelor's degree or higher, and 4.7% hold a graduate or professional degree.