Olympia Fields, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Olympia Fields, Illinois had a total population of 4,734, the 342nd largest village in Illinois, with a median household income of $123,875, which is 49% higher than the state average. The poverty rate is 13.7%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 49% above the state average — one of the wealthiest communities in Illinois.
- 50.4% of adults hold a bachelor's degree or higher — top 10% in Illinois.
Olympia Fields Quick Facts
How Olympia Fields 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 | 4,636 | 4,734 | +2.1% |
| Median household income | $107,656 | $123,875 | +15.1% |
| Median home value | $289,900 | $329,000 | +13.5% |
How Olympia Fields 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+)
Olympia Fields Rankings in Illinois
Explore Illinois Rankings
Other Cities in Cook County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Chicago | 2,711,226 | $77,902 | 16.8% | $334,100 |
| Elgin | 114,934 | $90,282 | 9.8% | $273,000 |
| Cicero | 82,797 | $70,842 | 14.6% | $249,400 |
| Schaumburg | 76,868 | $97,514 | 5.7% | $330,400 |
| Evanston | 76,340 | $96,434 | 11.8% | $481,200 |
| Arlington Heights | 76,005 | $116,723 | 6.0% | $414,500 |
| Palatine | 66,293 | $97,819 | 8.2% | $355,600 |
| Skokie | 66,219 | $95,337 | 9.7% | $387,200 |
| Des Plaines | 59,156 | $97,875 | 6.0% | $335,600 |
| Orland Park | 57,916 | $98,910 | 7.3% | $367,200 |
Cities Similar to Olympia Fields
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Palos Park | 4,816 | $121,696 | $464,700 | 51.7% | 8.5% |
| Fox River Grove | 4,523 | $121,506 | $298,900 | 45.7% | 3.7% |
| Beecher | 4,728 | $103,415 | $269,500 | 23.1% | 2.7% |
| Peotone | 4,587 | $108,523 | $271,000 | 35.3% | 3.9% |
| Grandwood Park | 5,262 | $126,736 | $330,500 | 59.2% | 2.8% |
Population Overview
Olympia Fields is a small community located in Illinois, within Cook County. The total population is 4,734. It ranks as the 342nd most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Olympia Fields is 46.6 years. This is 19% higher than the state median of 39.0 years. 19.7% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Olympia Fields is $123,875. This is 49% higher than the state median of $83,390. It is also 53% higher than the national median of $80,734. The poverty rate stands at 13.7%. This is 16% higher than the state poverty rate of 11.8%. The unemployment rate is 5.9%. The median home value is $329,000. Housing costs are 25% higher than the state median of $263,300. With a home-value-to-income ratio of just 2.7x, Olympia Fields is one of the most affordable housing markets in the area. 88.8% of occupied housing units are owner-occupied. This homeownership rate is 32% higher than the state average of 67.1%.
Race & Ethnicity
The largest racial or ethnic group in Olympia Fields is Black or African American, making up 75.7% of the population. White (non-Hispanic) residents account for 17.1%. The White (non-Hispanic) population (17.1%) is well below the state average of 58.1%. The Black or African American population is significantly higher than the state average (75.7% vs 13.3%). The Hispanic or Latino population (0.8%) is well below the state average of 18.8%. The Asian population (1.9%) is well below the state average of 5.9%.
Education
50.4% of residents aged 25 and older hold a bachelor's degree or higher. This places Olympia Fields in the top 10% of all cities in the state for educational attainment. This is 33% higher 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 97.8%. Notably, 24.5% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Olympia Fields, 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 Olympia Fields, Illinois?
Olympia Fields, Illinois has a population of 4,734 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Olympia Fields, IL?
The median household income in Olympia Fields is $123,875, which is 53% higher than the national median of $80,734.
What is the poverty rate in Olympia Fields, IL?
The poverty rate in Olympia Fields is 13.7%. This means approximately 646 residents live below the federal poverty line.
What is the racial makeup of Olympia Fields, Illinois?
Olympia Fields's population is 17.1% White, 75.7% Black, 0.8% Hispanic/Latino, and 1.9% Asian.
What is the median home value in Olympia Fields, IL?
The median home value in Olympia Fields is $329,000. The home-value-to-income ratio is 2.7x.
How educated is Olympia Fields, Illinois?
50.4% of adults (25+) in Olympia Fields hold a bachelor's degree or higher, and 24.5% hold a graduate or professional degree.