Fairview Heights, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Fairview Heights, Illinois had a total population of 16,745, the 152nd largest city in Illinois, with a median household income of $80,930, which is 3% lower than the state average. The poverty rate is 8.8%.
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 2.2x.
Fairview Heights Quick Facts
How Fairview Heights 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 | 16,255 | 16,745 | +3.0% |
| Median household income | $77,960 | $80,930 | +3.8% |
| Median home value | $166,800 | $177,700 | +6.5% |
How Fairview Heights 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 diverse community with significant representation from multiple racial and ethnic groups.
State average: 61 | National average: 61
Education
Educational Attainment (Adults 25+)
Fairview Heights Rankings in Illinois
Explore Illinois Rankings
Other Cities in St. Clair County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Belleville | 41,370 | $63,535 | 14.6% | $141,300 |
| O'Fallon | 32,262 | $105,982 | 6.2% | $295,700 |
| East St. Louis | 17,999 | $35,700 | 32.8% | $52,600 |
| Swansea | 14,710 | $91,587 | 8.7% | $223,600 |
| Shiloh | 14,572 | $99,573 | 6.8% | $274,000 |
| Columbia | 11,127 | $107,606 | 5.4% | $293,000 |
| Mascoutah | 8,816 | $97,375 | 9.8% | $224,900 |
| Freeburg | 4,592 | $92,065 | 6.7% | $241,200 |
| Lebanon | 4,474 | $88,750 | 14.8% | $170,700 |
| Caseyville | 4,130 | $60,669 | 14.3% | $96,800 |
Cities Similar to Fairview Heights
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Country Club Hills | 16,324 | $75,197 | $192,000 | 29.7% | 10.1% |
| Bourbonnais | 18,078 | $81,708 | $253,100 | 34.1% | 9.5% |
| Morton | 16,595 | $94,402 | $239,400 | 46.4% | 6.5% |
| Palos Hills | 18,081 | $83,533 | $279,200 | 27.6% | 8.4% |
| Prospect Heights | 15,618 | $85,008 | $346,500 | 41.3% | 7.3% |
Population Overview
Fairview Heights is a small city located in Illinois, within St. Clair County. The total population is 16,745. It ranks as the 152nd most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Fairview Heights is 41.0 years. This is 5% higher than the state median of 39.0 years.
Economy, Income & Housing
The median household income in Fairview Heights is $80,930. This is 3% lower than the state median of $83,390. It is also about the same as the national median of $80,734. The poverty rate stands at 8.8%. This is 25% lower than the state poverty rate of 11.8%. The unemployment rate is 6.4%. This is 9% higher than the state rate of 5.8%. The median home value is $177,700. Housing costs are 33% lower than the state median of $263,300. With a home-value-to-income ratio of just 2.2x, Fairview Heights is one of the most affordable housing markets in the area. 69.6% of occupied housing units are owner-occupied. This homeownership rate is 4% higher than the state average of 67.1%.
Race & Ethnicity
The largest racial or ethnic group in Fairview Heights is White (non-Hispanic), making up 51.0% of the population. Black or African American residents account for 27.6%. The Black or African American population is significantly higher than the state average (27.6% vs 13.3%). The Hispanic or Latino population (6.9%) is well below the state average of 18.8%.
Education
34.7% 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 92.9%. Notably, 15.1% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Fairview Heights, 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.
Free data download: Get all Illinois city and county demographics as CSV. Download Cities CSV | Download Counties CSV
Frequently Asked Questions
What is the population of Fairview Heights, Illinois?
Fairview Heights, Illinois has a population of 16,745 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Fairview Heights, IL?
The median household income in Fairview Heights is $80,930, which is about the same as the national median of $80,734.
What is the poverty rate in Fairview Heights, IL?
The poverty rate in Fairview Heights is 8.8%. This means approximately 1,466 residents live below the federal poverty line.
What is the racial makeup of Fairview Heights, Illinois?
Fairview Heights's population is 51.0% White, 27.6% Black, 6.9% Hispanic/Latino, and 4.0% Asian.
What is the median home value in Fairview Heights, IL?
The median home value in Fairview Heights is $177,700. The home-value-to-income ratio is 2.2x.
How educated is Fairview Heights, Illinois?
34.7% of adults (25+) in Fairview Heights hold a bachelor's degree or higher, and 15.1% hold a graduate or professional degree.