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CITY

Gillespie

Illinois · 3,083 residents (2025 est.) · 1.484 sq mi
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The short version

Gillespie has roughly average household income, with a median household income of $82,772. Population has fallen 17% since 2000, a loss of 597 residents. 22% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has risen by half since 2000, reaching $91,000. With a median age of 45.3, the population is older than the US median of 38.9.

At a glance
Average income
near the US median
US median: $82,259
Older
median age 45.3
US median: 38.9
Less educated
22% hold a bachelor's degree
US average: 36%
More affordable
home values down 9%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
2,815
−17%since 2000
from 3,412 in 2000
1990 – 2025
Population density
1,897 / sq mi
−17%since 2000
from 2,299 / sq mi in 2000
US average: 281
Median age
45.3
+16%since 2000
from 38.9 in 2000
US average: 38.9

PEP 2025 EST:3,083 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
3K3K3K3K4K1990201020202024Gillespie
20243K
1990201020202024
Section 02

Income & economy

Median household income
$82,772
+37%inflation adjusted, since 2000
from $33,168 in 2000
US average: $82,259
1990 – 2024
Per capita income
$39,155
+106%since 2000
from $19,042 in 2000
US average: $44,673
Households earning $100K+
57.2%
+34.9 ptssince 2009
from 22.2% in 2009
US average: 53.3%
Poverty rate
17.1%
+4.7 ptssince 2000
from 12.4% in 2000
US average: 12.5%
Income inequality (Gini)
0.400
−12%since 2010
from 0.454 in 2010
US average: 0.476
Workforce by industry, 2024
Information19.6%
US avg: 10.8%
Wholesale trade8.3%
US avg: 6.9%
Agriculture, forestry, fishing6.8%
US avg: 1.6%
Finance & insurance6.8%
US avg: 5.9%
Retail trade6.6%
US avg: 9.9%
Other services6.2%
US avg: 6.7%
Public administration5.5%
US avg: 4.8%
Professional, scientific, technical4.6%
US avg: 5.1%
Manufacturing4%
US avg: 0.4%
Transportation & warehousing3.1%
US avg: 2.2%
Construction2.8%
US avg: 1.2%
Education & health services2.2%
US avg: 0.9%
Arts, entertainment, food0.7%
US avg: 1.9%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$91,000
−9%inflation adjusted, since 2000
from $54,900 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$750
−7%inflation adjusted, since 2000
from $441 in 2000
US average: $1,442
Owner-occupied
72.6%
−4.1 ptssince 2000
from 76.7% in 2000
27.4% rent
Vacancy rate
15.7%
+2.9 ptssince 2009
from 12.7% in 2009
US average: 10.0%
Owner cost-burdened
14.2%
−8.8 ptssince 2009
from 23.0% in 2009
US average: 22.9%
Renter cost-burdened
14.8%
−26.1 ptssince 2009
from 40.9% in 2009
US average: 47.4%
Afford Score
1.1
−34%since 2000
from 1.7 in 2000
1990 – 2024
Gentrification Score
52
RELATED:See current rent listings in Gillespie on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic98%(3,345)
Black0.3%(10)
Hispanic / Latino0.7%(25)
Asian0.1%(4)
Other0%
Diversity Score2.9%(97)
2024
White, non-Hispanic91.2%(2,568)
Black0%(0)
Hispanic / Latino1%(29)
Asian0%(0)
Other7.7%(218)
Diversity Score20.2%(569)
Diversity Score
20
+608%since 2000
from 3 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
22.1%
+14.5 ptssince 2000
from 7.6% in 2000
US average: 35.6%
High school or higher
95.1%
+10.3 ptssince 2000
from 84.8% in 2000
US average: 89.6%
Graduate degree
5.9%
+2.3 ptssince 2000
from 3.6% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
28.2 min
+12%since 2000
from 25.2 min in 2000
US average: 26.5
Drive alone to work
81.4%
−0.8 ptssince 2009
from 82.2% in 2009
US average: 68.9%
Carpooled to work
5.0%
−7.3 ptssince 2009
from 12.3% in 2009
US average: 8.5%
Public transit
0.0%
−0.6 ptssince 2009
from 0.6% in 2009
US average: 3.2%
Worked from home
13.6%
+12.0 ptssince 2009
from 1.5% in 2009
US average: 15.0%
Walked to work
0.0%
−3.3 ptssince 2009
from 3.3% in 2009
US average: 2.4%
Biked to work
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 0.4%
No vehicle available
4.9%
+0.2 ptssince 2009
from 4.7% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
4.8%
−4.8 ptssince 2011
from 9.6% in 2011
US average: 5.2%
Labor force participation
61.1%
−8.3 ptssince 2011
from 69.4% in 2011
US average: 63.5%
Self-employed
18.5%
+0.7 ptssince 2009
from 17.8% in 2009
US average: 13.1%
Management & professional
24.9%
−37.9 ptssince 2009
from 62.8% in 2009
US average: 42.5%
Section 08

People & community

Male
53.6%
+4.7 ptssince 2009
from 48.9% in 2009
Female
46.4%
−4.7 ptssince 2009
from 51.1% in 2009
Foreign born
0.0%
−0.2 ptssince 2009
from 0.2% in 2009
US average: 14.1%
Veterans
6.9%
−38.2 ptssince 2009
from 45.2% in 2009
US average: 6.2%
With a disability
15.2%
+2.5 ptssince 2012
from 12.7% in 2012
US average: 13.3%
Uninsured
3.3%
−81.7 ptssince 2013
from 85.0% in 2013
US average: 8.4%
Broadband at home
90.3%
+11.7 ptssince 2017
from 78.6% in 2017
US average: 91.0%
English only at home
100.0%
+2.1 ptssince 2016
from 97.9% in 2016
US average: 77.7%
Spanish at home
0.0%
Unchangedsince 2016
from 0.0% in 2016
US average: 13.6%
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Frequently asked

How many people live in Gillespie, Illinois?

Gillespie, Illinois has about 2,815 residents according to the 2024 American Community Survey.

What is the median household income in Gillespie, Illinois?

The typical household in Gillespie, Illinois earns about $82,772 a year. Half of households make more than that, and half make less.

Is Gillespie, Illinois expensive?

In Gillespie, Illinois, the median home is worth about $91,000, and the typical rent is about $750 a month.

How educated are people in Gillespie, Illinois?

About 22.1% of adults age 25 and over in Gillespie, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Gillespie, Illinois?

About 17.1% of people in Gillespie, Illinois live below the federal poverty line.

Has Gillespie, Illinois grown since 1990?

Yes, Gillespie, Illinois has shrunk since 1990. The population has lost about 824 residents, a change of about -23 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →