Coal Valley, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Coal Valley, Illinois had a total population of 4,229, the 366th largest village in Illinois, with a median household income of $106,850, which is 28% higher than the state average. The poverty rate is 3.9%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- An exceptionally low poverty rate of 3.9% — among the lowest in Illinois.
- Housing is very affordable with a home-value-to-income ratio of just 2.0x.
Coal Valley Quick Facts
How Coal Valley 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 | 4,142 | 4,229 | +2.1% |
| Median household income | $104,781 | $106,850 | +2.0% |
| Median home value | $208,700 | $215,700 | +3.4% |
How Coal Valley 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+)
Coal Valley Rankings in Illinois
Explore Illinois Rankings
Other Cities in Rock Island County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Moline | 42,197 | $67,701 | 15.5% | $146,300 |
| Rock Island | 36,151 | $59,041 | 21.0% | $125,900 |
| East Moline | 20,904 | $61,779 | 19.8% | $134,600 |
| Silvis | 7,955 | $62,375 | 15.4% | $161,600 |
| Milan | 5,034 | $62,597 | 12.3% | $119,300 |
| Carbon Cliff | 2,151 | $55,536 | 19.1% | $134,600 |
| Hampton | 1,926 | $90,406 | 4.7% | $184,900 |
| Port Byron | 1,854 | $111,667 | 7.3% | $278,200 |
| Andalusia | 1,021 | $77,222 | 4.8% | $168,000 |
| Rapids City | 980 | $83,125 | 3.3% | $203,700 |
Cities Similar to Coal Valley
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Wonder Lake | 4,292 | $94,655 | $252,200 | 21.8% | 2.9% |
| Scott AFB | 3,957 | $103,390 | N/A | 33.8% | 5.7% |
| Peotone | 4,587 | $108,523 | $271,000 | 35.3% | 3.9% |
| Indian Head Park | 3,974 | $100,149 | $356,600 | 55.6% | 7.4% |
| Metamora | 4,159 | $129,479 | $201,800 | 54.8% | 3.6% |
Population Overview
Coal Valley is a small community located in Illinois, within Rock Island County. The total population is 4,229. It ranks as the 366th most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Coal Valley is 45.3 years. This is 16% higher than the state median of 39.0 years.
Economy, Income & Housing
The median household income in Coal Valley is $106,850. This is 28% higher than the state median of $83,390. It is also 32% higher than the national median of $80,734. The poverty rate stands at 3.9%. This is 67% lower than the state poverty rate of 11.8%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 3.0%. This is 49% lower than the state rate of 5.8%. The median home value is $215,700. Housing costs are 18% lower than the state median of $263,300. With a home-value-to-income ratio of just 2.0x, Coal Valley is one of the most affordable housing markets in the area. 92.8% of occupied housing units are owner-occupied. This homeownership rate is 38% higher than the state average of 67.1%.
Race & Ethnicity
Coal Valley has a predominantly White (non-Hispanic) population, comprising 86.3% of all residents. Hispanic or Latino residents account for 5.4%. The Black or African American population (0.7%) is well below the state average of 13.3%. The Hispanic or Latino population (5.4%) is well below the state average of 18.8%. The Asian population (1.2%) is well below the state average of 5.9%.
Education
34.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 8% 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 97.1%.
Data Sources & Methodology
All demographic data for Coal Valley, 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 Coal Valley, Illinois?
Coal Valley, Illinois has a population of 4,229 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Coal Valley, IL?
The median household income in Coal Valley is $106,850, which is 32% higher than the national median of $80,734.
What is the poverty rate in Coal Valley, IL?
The poverty rate in Coal Valley is 3.9%. This means approximately 165 residents live below the federal poverty line.
What is the racial makeup of Coal Valley, Illinois?
Coal Valley's population is 86.3% White, 0.7% Black, 5.4% Hispanic/Latino, and 1.2% Asian.
What is the median home value in Coal Valley, IL?
The median home value in Coal Valley is $215,700. The home-value-to-income ratio is 2.0x.
How educated is Coal Valley, Illinois?
34.8% of adults (25+) in Coal Valley hold a bachelor's degree or higher, and 12.5% hold a graduate or professional degree.