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.

Fillmore, IL Population, Income & Demographics 2026

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Demographics — 2024 ACS 5-Year Estimatesi

Census

Populationi

241

Median Agei

55.3

Race & Ethnicityi

White

94.2%227

Two or More

4.1%10

Hispanic/Latino

1.7%4

Educational Attainment (Age 25+)i

GED/Alternative

2.6%5

High School Diploma

42.8%83

Some College (<1 yr)

9.8%19

Some College (1+ yr)

9.8%19

Associate's Degree

8.8%17

Bachelor's Degree

5.2%10

Master's Degree

1%2

HS or Higher

79.9%

BA or Higher

6.2%

Graduate+

Housingi

Median Home Valuei

$66,400

Median Renti

—

Tenure

Owner-Occupied

79.5%101

Renter-Occupied

20.5%26

Total Units

143

Homeownership

79.5%

Vacancy Rate

11.2%

Home Values

Under $50K

25.7%26

$50K–$100K

39.6%40

$100K–$150K

19.8%20

$150K–$200K

9.9%10

$200K–$300K

4%4

$300K–$500K

1%1

Rent Distribution

Under $500

$500–$750

$750–$1,000

Year Built

2010–2019

0.7%1

2000–2009

4.9%7

1990–1999

4.2%6

1980–1989

12.6%18

1970–1979

10.5%15

1960–1969

2.1%3

1950–1959

5.6%8

1940–1949

28%40

1939 or earlier

31.5%45

Heating Fuel

Utility Gas

57.5%73

Electricity

24.4%31

Wood

9.4%12

Bottled/LP Gas

8.7%11

Economyi

Median Household Incomei

$47,813

Mean Household Incomei

$54,276

Per Capita Incomei

$29,810

Poverty Ratei

16.6%

Unemploymenti

4.7%

Labor Forcei

107

Household Income Distribution

Under $10K

7.1%9

$10K–$15K

6.3%8

$15K–$20K

8.7%11

$20K–$25K

3.9%5

$25K–$30K

3.1%4

$30K–$35K

4.7%6

$35K–$40K

2.4%3

$40K–$45K

11.8%15

$45K–$50K

4.7%6

$50K–$60K

7.9%10

$60K–$75K

11%14

$75K–$100K

20.5%26

$100K–$125K

4.7%6

$125K–$150K

0.8%1

$150K–$200K

2.4%3

Ancestry & Heritage

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

Foreign-Born Populationi

Foreign-Borni

10.4%

By Region

Top Countries

Korea

Commute & Transportationi

Workersi

102

Avg. Commutei

28.6 min

How People Get to Work

Travel Time to Work

Workforce

Total Employed

102

Occupations

Industries

Social Characteristicsi

Marital Status (15+)i

Veteransi

17(7.9% of civilian adults)

Health Insurancei

94.6%Insured

5.4%Uninsured