Cahokia, Illinois Population 2023

11,604

Cahokia is a city located in St. Clair County Illinois. Cahokia has a 2023 population of 11,604. Cahokia is currently declining at a rate of -1.3% annually and its population has decreased by -3.85% since the most recent census, which recorded a population of 12,069 in 2020.

The average household income in Cahokia is $47,183 with a poverty rate of 35.36%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Cahokia is 31 years, 30.1 years for males, and 31.8 years for females.

Cahokia Demographics

According to the most recent ACS, the racial composition of Cahokia was:

  • Black or African American: 63.77%
  • White: 30.91%
  • Two or more races: 3.73%
  • Asian: 1.25%
  • Native American: 0.34%
  • Native Hawaiian or Pacific Islander:
  • Other race:
Land Area (mi²)
9.8 sq mi
Density (mi²)
1,188.60/sq mi
Growth Rate
-1.3% (-153)
Growth Since 2020
-3.85% (-465)
The current population of Cahokia, Illinois is 11,604 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 12,069.

Cahokia, Illinois Population 2023

Population by Race

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Race
Population
Percentage (of total)
Black or African American7,93363.77%
White3,84530.91%
Two or more races4643.73%
Asian1561.25%
Native American420.34%
Native Hawaiian or Pacific Islander
Other race
showing: 7 rows

Black or African American

White

Two or more races

Asian

Native American

Native Hawaiian or Pacific Islander

Other race

Cahokia Population by Race

Cahokia Population Pyramid 2023

Cahokia Median Age

31

Total

30.1

Male

31.8

Female

Cahokia Adults

There are 8,050 adults, (1,287 of whom are seniors) in Cahokia.

Cahokia Age Dependency

83.9

Age Dependency Ratio

19

Old Age Dependency Ratio

64.9

Child Dependency Ratio

Cahokia Sex Ratio

Female6,69353.8%
Male5,74746.2%

Cahokia Population by Age

Cahokia Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All4,0123.0543.656.4
Non Family1,3391.147.352.7
Female1,2614.4220.379.7
Married1,1013.946139
Male3112.7360.539.5
showing: 5 rows

3.82

Average Family Size

3.05

Average Household Size

43.6%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Cahokia Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Cahokia Educational Attainment by Sex (over 25)

Cahokia Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among asian people with a rate of 94.87%.

The highest rate of bachelors degrees is among 2+ races people with a rate of 19.47%.

Cahokia Educational Attainment by Race

All

Male

Female

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$25,645

Average Earnings

$24,013

Average Male

$25,933

Average Female

Cahokia Earnings by Educational Attainment

Cahokia Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Cahokia Language

97.92% of Cahokia residents speak only English, while 2.08% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 1.38% of the population.

Cahokia Language

Cahokia Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
Black7,7803,31642.62%
White3,47754315.62%
Multiple46437580.82%
Hispanic1236956.1%
showing: 4 rows

35.36%

Overall Poverty Rate

30.82%

Male Poverty Rate

39.4%

Female Poverty Rate

Poverty in Cahokia

The race most likely to be in poverty in Cahokia is Multiple, with 80.82% below the poverty level.

The race least likely to be in poverty in Cahokia is White, with 15.62% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 7.71%. Among those working part-time, it was 34.13%, and for those that did not work, the poverty rate was 43.28%.

Cahokia Poverty

rate

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Rate
Poverty
Less Than 9th Grade45.58%
High School28.51%
Some College16.35%
Bachelors or Greater11.16%
showing: 4 rows

Cahokia Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed73.94%
Male Unemployed32.01%
Female Employed23.86%
Male Employed15.55%
showing: 4 rows

Cahokia Poverty Rate by Employment Status and Sex

Cahokia Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Cahokia Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

28.4%

Overall Marriage Rate

31.4%

Male Marriage Rate

26.0%

Female Marriage Rate

Cahokia Married by Age and Sex

male

female

Cahokia Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.

Cahokia Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Cahokia Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

793

Number of Veterans

723

Male Veterans

70

Female Veterans

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Cahokia Veterans by War

count

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Cahokia Veterans by Age

count

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Cahokia Veterans by Race

Cahokia Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

27.5%

Veteran Poverty Rate

64.46%

Veteran Disability Rate

Cahokia Veterans by Education

LaborForceParticipation

59.1%

Labor Force Participation

52.1%

Employment Rate

12%

Unemployment Rate

Cahokia Employment by Age

LaborForceParticipation

Cahokia Employment by Race

LaborForceParticipation

Cahokia Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

61.52%

Born in Cahokia

103.32%

Native Born

0.58%

Foreign Born

0.29%

Non Citizen

0.29%

Naturalized

Place of Birth

103.32% of Cahokia residents were born in the United States, with 61.52% having been born in Illinois. 0.29% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Cahokia Place of Birth

Note: data after 2021 is projected based on recent change

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Year
Population
Growth
Growth Rate
196015,8295,101-0.56%
197020,6494,8202.69%
198018,904-1,745-0.88%
199017,550-1,354-0.74%
200016,391-1,159-0.68%
201015,241
201114,927-314-2.06%
201214,613-314-2.1%
201314,299-314-2.15%
201413,985-314-2.2%
201513,671-314-2.25%
201613,357-314-2.3%
201713,043-314-2.35%
201812,729-314-2.41%
201912,415-314-2.47%
202012,069-346-2.79%
202111,912-157-1.3%
202211,757-155-1.3%
202311,604-153-1.3%
202411,453-151-1.3%
202511,304-149-1.3%
202611,157-147-1.3%
202711,012-145-1.3%
202810,869-143-1.3%
202910,728-141-1.3%
showing: 25 rows

Cahokia Population by Year