Colp, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Colp, Illinois had a total population of 223, the 1176th largest village in Illinois. The poverty rate is 47.1%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- More than 1 in 4 residents live below the poverty line (47.1%), well above the national average of 12.4%.
- Unemployment rate of 11.7% is notably above the national average.
Colp Quick Facts
How Colp 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 | 187 | 223 | +19.3% |
| Median home value | $73,600 | $69,300 | -5.8% |
How Colp 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
Moderate diversity with one or two groups making up the majority.
State average: 61 | National average: 61
Education
Educational Attainment (Adults 25+)
Colp Rankings in Illinois
Explore Illinois Rankings
Other Cities in Williamson County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Carbondale | 22,158 | $32,128 | 37.4% | $127,900 |
| Marion | 16,836 | $56,912 | 13.3% | $158,300 |
| Herrin | 12,226 | $59,975 | 14.5% | $113,300 |
| Carterville | 5,818 | $62,337 | 10.9% | $197,100 |
| Johnston City | 3,327 | $42,465 | 17.8% | $88,100 |
| Crainville | 1,641 | $65,461 | 10.2% | $185,300 |
| Cambria | 1,300 | $57,756 | 18.5% | $143,800 |
| Energy | 1,050 | $65,357 | 15.2% | $151,800 |
| Hurst | 700 | $36,635 | 31.4% | $68,600 |
| Pittsburg | 682 | $53,203 | 17.9% | $129,200 |
Cities Similar to Colp
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Forest City | 223 | $87,813 | $86,300 | 11.7% | 28.2% |
| Sammons Point | 223 | $62,250 | $168,800 | 15.4% | 8.5% |
| Bath | 224 | $47,500 | $63,200 | 10.0% | 13.4% |
| Lima | 224 | $74,375 | $88,800 | 5.7% | 4.9% |
| Plattville | 225 | $113,750 | $309,100 | 28.2% | 0.0% |
A note before these figures: with a population of 223, Colp'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
Colp is a small community located in Illinois, within Williamson County. The total population is 223. It ranks as the 1176th most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Colp is 40.7 years. This is 4% higher than the state median of 39.0 years. 11.7% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The poverty rate stands at 47.1%. This is 299% 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 11.7%. This is 100% higher than the state rate of 5.8%. The median home value is $69,300. Housing costs are 74% lower than the state median of $263,300. 75.0% of occupied housing units are owner-occupied. This homeownership rate is 12% higher than the state average of 67.1%.
Race & Ethnicity
The largest racial or ethnic group in Colp is White (non-Hispanic), making up 61.4% of the population. Black or African American residents account for 26.9%. The Black or African American population is significantly higher than the state average (26.9% vs 13.3%).
Education
18.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 50% 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 88.9%.
Data Sources & Methodology
All demographic data for Colp, 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 Colp, Illinois?
Colp, Illinois has a population of 223 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Colp, IL?
The Census Bureau does not publish a reliable median household income estimate for Colp — the community is too small for the ACS sample. The national median is $80,734.
What is the poverty rate in Colp, IL?
The poverty rate in Colp is 47.1%. This means approximately 105 residents live below the federal poverty line.
What is the racial makeup of Colp, Illinois?
Colp's population is 61.4% White, 26.9% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Colp, IL?
The median home value in Colp is $69,300.
How educated is Colp, Illinois?
18.9% of adults (25+) in Colp hold a bachelor's degree or higher, and 9.2% hold a graduate or professional degree.