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CITY · 2010 ACS

Flat Rock

Illinois · 331 residents · 0.856 sq mi
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The short version

Flat Rock has notably lower household income than the US average, with a median household income of $31,563. Population has fallen 20% since 2000, a loss of 84 residents. 7% of adults hold a bachelor's degree or higher, below the national rate of 28%. Median home value is $48,700. The poverty rate of 24.4% is well above the national figure. Households here earn about 43% less than the Illinois median.

At a glance
Lower income
below the US median
US median: $52,703
Older
median age 40.6
US median: 37.2
Less educated
7% hold a bachelor's degree
US average: 28%
Stable housing
home values roughly flat, inflation adjusted
US median home: $225,659
Section 01

Population & growth

Total population
331
−20%since 2000
from 415 in 2000
1990 – 2025
Population density
387 / sq mi
−20%since 2000
from 485 / sq mi in 2000
US average: 261
Median age
40.6
+7%since 2000
from 37.9 in 2000
US average: 37.2
Population, 1990 – 2024
2603133674204731990201020202024Flat Rock
2024337
1990201020202024
Section 02

Income & economy

Median household income
$31,563
−31%inflation adjusted, since 2000
from $36,184 in 2000
US average: $52,703
1990 – 2024
Per capita income
$16,606
+1%since 2000
from $16,398 in 2000
US average: $27,286
Households earning $100K+
13.8%
+2.5 ptssince 2009
from 11.3% in 2009
US average: 33.3%
Poverty rate
24.4%
+11.8 ptssince 2000
from 12.6% in 2000
US average: 13.8%
Income inequality (Gini)
0.405
US average: 0.461
Workforce by industry, 2010
Retail trade20.4%
US avg: 10.9%
Information14.8%
US avg: 11.5%
Wholesale trade6.8%
US avg: 7.2%
Arts, entertainment, food3.7%
US avg: 2.4%
Transportation & warehousing2.5%
US avg: 3.1%
Finance & insurance1.9%
US avg: 5.1%
Professional, scientific, technical1.9%
US avg: 4.2%
Agriculture, forestry, fishing1.2%
US avg: 1.9%
Manufacturing1.2%
US avg: 0.5%
Other services1.2%
US avg: 7%
Public administration1.2%
US avg: 4.9%
Construction0%
US avg: 1.4%
Education & health services0%
US avg: 0.9%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$48,700
−3%inflation adjusted, since 2000
from $39,800 in 2000
US average: $225,659
1990 – 2024
Median gross rent
$396
−4%inflation adjusted, since 2000
from $325 in 2000
US average: $853
Owner-occupied
45.0%
−47.8 ptssince 2000
from 92.8% in 2000
11.4% rent
Vacancy rate
1.8%
+0.2 ptssince 2009
from 1.6% in 2009
US average: 12.1%
Owner cost-burdened
27.0%
+6.3 ptssince 2009
from 20.7% in 2009
US average: 30.9%
Renter cost-burdened
15.8%
+6.7 ptssince 2009
from 9.1% in 2009
US average: 46.8%
Afford Score
1.5
+40%since 2000
from 1.1 in 2000
1990 – 2024
RELATED:See current rent listings in Flat Rock on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic96.6%(401)
Black1.9%(8)
Hispanic / Latino0%(0)
Asian0.7%(3)
Other0%
Diversity Score6.5%(27)
2010
White, non-Hispanic99.1%(328)
Black0.6%(2)
Hispanic / Latino0%(0)
Asian0%(0)
Other2%(7)
Diversity Score6.2%(21)
Diversity Score
6
−5%since 2000
from 7 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
7.0%
+1.8 ptssince 2000
from 5.2% in 2000
US average: 27.9%
High school or higher
86.8%
+5.4 ptssince 2000
from 81.3% in 2000
US average: 84.9%
Graduate degree
0.7%
−1.3 ptssince 2000
from 2.1% in 2000
US average: 10.2%
Section 06

Commute & transportation

Average commute
18.7 min
+53%since 2000
from 12.3 min in 2000
US average: 25.2
Drive alone to work
87.7%
−4.9 ptssince 2009
from 92.5% in 2009
US average: 76.2%
Carpooled to work
4.9%
+1.2 ptssince 2009
from 3.7% in 2009
US average: 10.4%
Public transit
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 4.7%
Worked from home
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 4.1%
Walked to work
6.2%
+5.1 ptssince 2009
from 1.1% in 2009
US average: 2.8%
Biked to work
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 0.5%
No vehicle available
3.0%
−1.3 ptssince 2009
from 4.3% in 2009
US average: 8.7%
Section 07

Work & employment

Self-employed
8.0%
−3.1 ptssince 2009
from 11.1% in 2009
US average: 12.9%
Management & professional
14.2%
−39.2 ptssince 2009
from 53.4% in 2009
US average: 35.2%
Section 08

People & community

Male
47.0%
+0.1 ptssince 2009
from 47.0% in 2009
Female
53.0%
−0.1 ptssince 2009
from 53.0% in 2009
Foreign born
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 12.8%
Veterans
12.6%
−34.5 ptssince 2009
from 47.0% in 2009
US average: 9.9%
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FLAT ROCK VS
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FLAT ROCK VS
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Frequently asked

How many people live in Flat Rock, Illinois?

Flat Rock, Illinois has about 331 residents according to the 2010 American Community Survey.

What is the median household income in Flat Rock, Illinois?

The typical household in Flat Rock, Illinois earns about $31,563 a year. Half of households make more than that, and half make less.

Is Flat Rock, Illinois expensive?

In Flat Rock, Illinois, the median home is worth about $48,700, and the typical rent is about $396 a month.

How educated are people in Flat Rock, Illinois?

About 7.0% of adults age 25 and over in Flat Rock, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Flat Rock, Illinois?

About 24.4% of people in Flat Rock, Illinois live below the federal poverty line.

Has Flat Rock, Illinois grown since 1990?

Yes, Flat Rock, Illinois has shrunk since 1990. The population has lost about 121 residents, a change of about -27 percent over that period.

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

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