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.

Lisle, IL Population, Income & Demographics 2026

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Demographics — 2024 ACS 5-Year Estimatesi

Census

Populationi

23,407

Median Agei

36.5

Race & Ethnicityi

White

65.1%15,241

Asian

17.4%4,081

Hispanic/Latino

8.9%2,083

Black

4.5%1,062

Two or More

3.5%824

Other

0.5%116

Educational Attainment (Age 25+)i

GED/Alternative

1.5%238

High School Diploma

10.1%1,643

Some College (<1 yr)

4.6%746

Some College (1+ yr)

11.9%1,945

Associate's Degree

7.4%1,200

Bachelor's Degree

36.2%5,910

Master's Degree

20.8%3,390

Professional Degree

3.1%507

Doctorate

1.8%291

HS or Higher

97.2%

BA or Higher

61.9%

Graduate+

25.7%

Housingi

Median Home Valuei

$406,800

Median Renti

$1,658

Tenure

Owner-Occupied

55.9%5,614

Renter-Occupied

44.1%4,436

Total Units

10,466

Homeownership

55.9%

Vacancy Rate

Economyi

Median Household Incomei

$107,479

Mean Household Incomei

$141,061

Per Capita Incomei

$61,682

Poverty Ratei

5.7%

Unemploymenti

4.2%

Labor Forcei

13,546

Household Income Distribution

Under $10K

3.8%382

$10K–$15K

0.1%15

$15K–$20K

1.4%139

$20K–$25K

3%302

$25K–$30K

1.1%110

$30K–$35K

2.2%225

$35K–$40K

1.9%195

$40K–$45K

2.6%264

$45K–$50K

2.2%220

$50K–$60K

6.3%636

$60K–$75K

7%704

$75K–$100K

12.3%1,235

$100K–$125K

10.5%1,057

$125K–$150K

10.7%1,073

$150K–$200K

16.1%1,617

$200K+

18.7%1,876

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

123

Residentsi

249

Avg. Tenant Renti

$469/mo

Avg. Waitlisti

19 months

Programs in this community

Housing Choice Vouchers108 homes97% occupied$469/mo rent

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

Household Incomei

Based on area median of $107,479/yr

Extremely low incomeUnder $32K/yr

80%

Very low income$32K–$54K/yr

14%

Low income$54K–$86K/yr

Who Receives This Housing

84% of subsidized households are headed by a single mother

69% of subsidized households are minority

26% of subsidized households include someone with a disability

33% of subsidized households include a senior (62+)

Ancestry & Heritage

Self-reported ancestry groups. Residents may report multiple ancestries, so totals may exceed 100%.

Social Characteristicsi

Marital Status (15+)i

Veteransi

705(3.8% of civilian adults)