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.

Sugar Grove, IL Population, Income & Demographics 2026

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Demographics — 2024 ACS 5-Year Estimatesi

Census

Populationi

402

Median Agei

36.3

Race & Ethnicityi

White

90.5%364

Two or More

5.2%21

Hispanic/Latino

3.2%13

Asian

1%4

Educational Attainment (Age 25+)i

GED/Alternative

3.8%11

High School Diploma

36.1%105

Some College (<1 yr)

12.4%36

Some College (1+ yr)

11.3%33

Associate's Degree

10%29

Bachelor's Degree

17.5%51

Master's Degree

8.9%26

HS or Higher

100%

BA or Higher

26.5%

Graduate+

8.9%

Housingi

Median Home Valuei

$401,900

Median Renti

$1,543

Tenure

Owner-Occupied

93.1%3,217

Renter-Occupied

6.9%237

Total Units

3,558

Homeownership

93.1%

Vacancy Rate

2.9%

Economyi

Median Household Incomei

$121,207

Mean Household Incomei

$151,314

Per Capita Incomei

$57,546

Poverty Ratei

4.7%

Unemploymenti

5.3%

Labor Forcei

4,497

Household Income Distribution

Under $10K

2.7%93

$10K–$15K

4.6%159

$20K–$25K

0.9%30

$25K–$30K

1.3%44

$30K–$35K

1.1%38

$35K–$40K

2.6%89

$40K–$45K

1.1%37

$45K–$50K

4.5%154

$50K–$60K

6.7%233

$60K–$75K

3.8%131

$75K–$100K

10.5%362

$100K–$125K

11.9%412

$125K–$150K

9.2%319

$150K–$200K

15.7%544

$200K+

23.4%809

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

Programs in this community

Housing Choice Vouchers5 homes

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

Ancestry & Heritage

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

Social Characteristicsi

Marital Status (15+)i

Veteransi

340(4.7% of civilian adults)