Where does this demographic data come from?

All demographic data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates, which samples about 3.5 million households annually. The 5-year estimates provide the most reliable data for small geographies like municipalities.

What is the difference between Census data and ACS data?

The decennial Census (conducted every 10 years) is a full population count focusing on basic demographics. The ACS is an ongoing survey that collects detailed data on income, education, housing, commute patterns, and more. ACS data is updated annually but represents averages over a 5-year period.

How accurate is this data for small towns?

For smaller municipalities, ACS estimates have wider margins of error because fewer residents are sampled. The 5-year estimates reduce this uncertainty by averaging over a longer period. For towns under 5,000 people, treat specific numbers as approximations rather than precise counts.

Olympia Fields, IL Population, Income & Demographics 2026

CSAChicago-Naperville MSAChicago-Naperville-Elgin#78/303 Income

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Demographics — 2024 ACS 5-Year Estimatesi

Census

Populationi

4,734

Median Agei

46.6

Race & Ethnicityi

Black

75.7%3,584

White

17.1%810

Two or More

4.6%216

Asian

1.9%88

Hispanic/Latino

0.8%36

Educational Attainment (Age 25+)i

GED/Alternative

1%35

High School Diploma

12.2%410

Some College (<1 yr)

6.1%205

Some College (1+ yr)

20%671

Associate's Degree

8%270

Bachelor's Degree

25.9%869

Master's Degree

18.7%628

Professional Degree

4.5%150

Doctorate

1.3%45

HS or Higher

97.8%

BA or Higher

50.4%

Graduate+

24.5%

Housingi

Median Home Valuei

$329,000

Median Renti

$3,501

Tenure

Owner-Occupied

88.8%1,733

Renter-Occupied

11.2%218

Total Units

2,181

Homeownership

88.8%

Vacancy Rate

10.5%

Home Values

Under $50K

1.6%28

$150K–$200K

1.8%31

$200K–$300K

36.2%627

$300K–$500K

53.7%930

$500K–$1M

5%87

$1M+

1.7%30

Rent Distribution

$1,250–$1,500

$1,500–$2,000

$2,000+

192

Year Built

2010–2019

3.3%71

2000–2009

14.4%315

1990–1999

22.5%490

1980–1989

9.7%212

1970–1979

18.9%412

1960–1969

10.4%227

1950–1959

14.6%318

1940–1949

6.2%136

Heating Fuel

Utility Gas

86.6%1,690

Electricity

12.6%245

Bottled/LP Gas

0.5%9

Other

0.4%7

Economyi

Median Household Incomei

$123,875

Mean Household Incomei

$134,301

Per Capita Incomei

$56,655

Poverty Ratei

13.6%

Unemploymenti

5.9%

Labor Forcei

2,160

Household Income Distribution

Under $10K

6.9%134

$10K–$15K

7%136

$15K–$20K

1.7%34

$25K–$30K

0.4%7

$30K–$35K

0.8%15

$35K–$40K

4.3%83

$40K–$45K

0.7%14

$45K–$50K

0.4%8

$50K–$60K

4.6%90

$60K–$75K

8.6%168

$75K–$100K

8.5%166

$100K–$125K

6.9%134

$125K–$150K

10.7%209

$150K–$200K

15.8%309

$200K+

22.8%444

Federally Subsidized Housingi

HUD

The federal government helps low-income families, seniors, and people with disabilities afford housing through several programs. Residents typically pay about 30% of their income toward rent, with the government covering the rest. This data shows how many households in this community receive that assistance.

Subsidized Homesi

Residentsi

Avg. Tenant Renti

$980/mo

Programs in this community

Housing Choice Vouchers22 homes93% occupied$980/mo rent

Rental vouchers (Section 8) that help tenants pay for private-market housing

Household Incomei

Based on area median of $123,875/yr

Extremely low incomeUnder $37K/yr

57%

Very low income$37K–$62K/yr

24%

Low income$62K–$99K/yr

14%

Moderate / aboveOver $99K/yr

Who Receives This Housing

90% of subsidized households are headed by a single mother

95% of subsidized households are minority

21% of subsidized households include someone with a disability

5% of subsidized households include a senior (62+)

Commute & Transportationi

Workersi

1,993

Avg. Commutei

42.8 min

How People Get to Work

Travel Time to Work

Workforce

Total Employed

2,033

Occupations

Industries

Social Characteristicsi

Marital Status (15+)i

Veteransi

373(10% of civilian adults)