CensusEasy
CITY · 2000 CENSUS

Flat Rock

Illinois · 415 residents · 0.856 sq mi
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The short version

Flat Rock has lower-than-average household income, with a median household income of $36,184. Population has declined 8% since 1990. 5% of adults hold a bachelor's degree or higher, below the national rate of 24%. Median home value has risen by half since 1990, reaching $39,800.

At a glance
Lower income
below the US median
US median: $42,589
Older
median age 37.9
US median: 35.2
Less educated
5% hold a bachelor's degree
US average: 24%
Less affordable
home values up 36%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

Total population
415
−8%since 1990
from 452 in 1990
1990 – 2025
Population density
485 / sq mi
−8%since 1990
from 528 / sq mi in 1990
US average: 242
Median age
37.9
+15%since 1990
from 32.9 in 1990
US average: 35.2
Population, 1990 – 2024
2603133674204731990201020202024Flat Rock
2024337
1990201020202024
Section 02

Income & economy

Median household income
$36,184
+26%inflation adjusted, since 1990
from $21,875 in 1990
US average: $42,589
1990 – 2024
Per capita income
$16,398
+70%since 1990
from $9,636 in 1990
US average: $21,522
Poverty rate
12.6%
Unchangedsince 1990
from 12.6% in 1990
US average: 12.4%
Section 03

Housing

Median home value
$39,800
+36%inflation adjusted, since 1990
from $22,200 in 1990
US average: $120,530
1990 – 2024
Median gross rent
$325
+149%inflation adjusted, since 1990
from $99 in 1990
US average: $602
Owner-occupied
92.8%
−0.4 ptssince 1990
from 93.2% in 1990
7.2% rent
Afford Score
1.1
+8%since 1990
from 1.0 in 1990
1990 – 2024
RELATED:See current rent listings in Flat Rock on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic99.1%(448)
Black0.9%(4)
Hispanic / Latino2.7%(12)
Asian0%(0)
Diversity Score8.4%(38)
2000
White, non-Hispanic96.6%(401)
Black1.9%(8)
Hispanic / Latino0%(0)
Asian0.7%(3)
Diversity Score6.5%(27)
Diversity Score
7
−22%since 1990
from 8 in 1990
1990 – 2024
Section 05

Education

Bachelor's degree or higher
5.2%
+1.6 ptssince 1990
from 3.6% in 1990
US average: 24.4%
High school or higher
81.3%
+2.2 ptssince 1990
from 79.1% in 1990
US average: 80.3%
Graduate degree
2.1%
−0.8 ptssince 1990
from 2.9% in 1990
US average: 8.8%
Section 06

Commute & transportation

Average commute
12.3 min
−35%since 1990
from 18.9 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Drill deeper

Places similar to Flat Rock

Cobbtown
Pop 344
Meansville
Pop 288
Leslie
Pop 336
Bronwood
Pop 317
Places similar to Flat Rock
Head to head

Compare Flat Rock to nearby cities

FLAT ROCK VS
Vincennes
Income$53,637+48%
Home value$111,600+180%
Population16,378+4986%
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FLAT ROCK VS
Olney
Income$59,980+66%
Home value$99,800+151%
Population8,347+2492%
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FLAT ROCK VS
Washington
Income$50,331+39%
Home value$152,200+282%
Population12,991+3934%
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FLAT ROCK VS
Princeton
Income$57,618+59%
Home value$128,700+223%
Population8,524+2547%
SEE FULL COMPARISON →
Frequently asked

How many people live in Flat Rock, Illinois?

Flat Rock, Illinois has about 415 residents according to the 2000 Census.

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

The typical household in Flat Rock, Illinois earns about $36,184 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 $39,800, and the typical rent is about $325 a month.

How educated are people in Flat Rock, Illinois?

About 5.2% 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 12.6% 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 37 residents, a change of about -8 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 →