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CITY

Cahokia Heights

Illinois · 16,874 residents (2025 est.) · 15.717 sq mi
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The short version

Cahokia Heights has notably lower household income than the US average, with a median household income of $33,792. Population has held roughly steady since 2023. 13% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value is $56,000. At a median age of 30.3, residents skew younger than the country as a whole. Households here earn about 59% less than the Illinois median.

At a glance
Lower income
below the US median
US median: $82,259
Younger
median age 30.3
US median: 38.9
Less educated
13% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Section 01

Population & growth

17,106
Unchangedsince 2023
from 17,173 in 2023
2022 – 2025
1,088 / sq mi
Unchangedsince 2023
from 1,093 / sq mi in 2023
US average: 281
30.3
−8%since 2023
from 32.8 in 2023
US average: 38.9

PEP 2025 EST:16,874 residents (Census Bureau Vintage 2025, released March 2026)

Population, 20222024
17K17K17K18K18K20222024Cahokia Heights
202417K
20222024
Section 02

Income & economy

$33,792
−14%inflation adjusted, since 2023
from $37,975 in 2023
US average: $82,259
2022 – 2024
$20,124
+2%since 2023
from $19,692 in 2023
US average: $44,673
Households earning $100K+
22.8%
+2.9 ptssince 2023
from 19.8% in 2023
US average: 53.3%
34.1%
+1.5 ptssince 2023
from 32.7% in 2023
US average: 12.5%
0.479
+10%since 2023
from 0.436 in 2023
US average: 0.476
Workforce by industry, 2024
Finance & insurance13.9%
US avg: 5.9%
Professional, scientific, technical13.5%
US avg: 5.1%
Retail trade10.5%
US avg: 9.9%
Information10.2%
US avg: 10.8%
Other services4.4%
US avg: 6.7%
Public administration4.1%
US avg: 4.8%
Wholesale trade2.8%
US avg: 6.9%
Agriculture, forestry, fishing2%
US avg: 1.6%
Construction1.1%
US avg: 1.2%
Transportation & warehousing1%
US avg: 2.2%
Manufacturing0.8%
US avg: 0.4%
Education & health services0.4%
US avg: 0.9%
Arts, entertainment, food0%
US avg: 1.9%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

$56,000
−4%inflation adjusted, since 2023
from $56,900 in 2023
US average: $376,019
2022 – 2024
$981
−1%inflation adjusted, since 2023
from $959 in 2023
US average: $1,442
52.2%
−0.4 ptssince 2023
from 52.6% in 2023
47.8% rent
28.5%
+1.5 ptssince 2023
from 27.0% in 2023
US average: 10.0%
21.2%
−5.3 ptssince 2023
from 26.5% in 2023
US average: 22.9%
59.7%
+4.7 ptssince 2023
from 55.0% in 2023
US average: 47.4%
1.7
+11%since 2023
from 1.5 in 2023
2022 – 2024
RELATED:See current rent listings in Cahokia Heights on RentDataNow
Section 04

Race & ethnicity

2023
White, non-Hispanic20.3%(3,489)
Black71.1%(12,203)
Hispanic / Latino2.1%(356)
Asian1%(167)
Other5.6%(958)
Diversity Score56.3%(9,663)
2024
White, non-Hispanic20%(3,427)
Black69.7%(11,921)
Hispanic / Latino2.1%(359)
Asian0.5%(84)
Other7.7%(1,315)
Diversity Score58.5%(10,003)
58
+4%since 2023
from 56 in 2023
2022 – 2024
Section 05

Education

13.5%
+1.6 ptssince 2023
from 11.9% in 2023
US average: 35.6%
High school or higher
85.5%
+0.5 ptssince 2023
from 85.0% in 2023
US average: 89.6%
5.0%
−0.4 ptssince 2023
from 5.3% in 2023
US average: 14.0%
Section 06

Commute & transportation

26.4 min
−6%since 2023
from 28.2 min in 2023
US average: 26.5
68.7%
+0.1 ptssince 2023
from 68.6% in 2023
US average: 68.9%
12.5%
+0.6 ptssince 2023
from 12.0% in 2023
US average: 8.5%
5.5%
−2.2 ptssince 2023
from 7.7% in 2023
US average: 3.2%
8.5%
+1.4 ptssince 2023
from 7.1% in 2023
US average: 15.0%
0.0%
−1.1 ptssince 2023
from 1.1% in 2023
US average: 2.4%
0.0%
Unchangedsince 2023
from 0.0% in 2023
US average: 0.4%
18.4%
+0.6 ptssince 2023
from 17.8% in 2023
US average: 8.3%
Section 07

Work & employment

10.0%
+0.6 ptssince 2023
from 9.3% in 2023
US average: 5.2%
63.0%
+1.9 ptssince 2023
from 61.1% in 2023
US average: 63.5%
11.2%
+0.6 ptssince 2023
from 10.6% in 2023
US average: 13.1%
19.9%
+0.7 ptssince 2023
from 19.2% in 2023
US average: 42.5%
Section 08

People & community

46.7%
+0.9 ptssince 2023
from 45.8% in 2023
53.3%
−0.9 ptssince 2023
from 54.2% in 2023
0.5%
−0.4 ptssince 2023
from 0.9% in 2023
US average: 14.1%
7.3%
−0.2 ptssince 2023
from 7.5% in 2023
US average: 6.2%
17.6%
−2.5 ptssince 2023
from 20.1% in 2023
US average: 13.3%
8.7%
+2.6 ptssince 2023
from 6.1% in 2023
US average: 8.4%
84.4%
+4.0 ptssince 2023
from 80.4% in 2023
US average: 91.0%
96.7%
+0.1 ptssince 2023
from 96.7% in 2023
US average: 77.7%
2.7%
Unchangedsince 2023
from 2.7% in 2023
US average: 13.6%
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Frequently asked

How many people live in Cahokia Heights, Illinois?

Cahokia Heights, Illinois has about 17,106 residents according to the 2024 American Community Survey.

What is the median household income in Cahokia Heights, Illinois?

The typical household in Cahokia Heights, Illinois earns about $33,792 a year. Half of households make more than that, and half make less.

Is Cahokia Heights, Illinois expensive?

In Cahokia Heights, Illinois, the median home is worth about $56,000, and the typical rent is about $981 a month.

How educated are people in Cahokia Heights, Illinois?

About 13.5% of adults age 25 and over in Cahokia Heights, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Cahokia Heights, Illinois?

About 34.1% of people in Cahokia Heights, Illinois live below the federal poverty line.

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

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