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CITY · 1990 CENSUS

Oak Forest

Illinois · 26,203 residents · 6.025 sq mi
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The short version

Oak Forest is significantly wealthier than the US average, with a median household income of $43,387. Population has declined 7% since 2000. Median home value is $103,700. Poverty is rare here, at 3.0% of residents. Households here earn about 35% more than the Illinois median.

At a glance
Wealthier
above the US median
US median: $30,130
Mid-age
median age 31.5
US median: 33.0
Average education
18% hold a bachelor's degree
US average: 20%
More affordable
home values down 6%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

Total population
26,203
−7%vs 2000
vs 28,051 in 2000
1990 – 2025
Median age
31.5
−11%vs 2000
vs 35.6 in 2000
US average: 33.0
Population, 1990 – 2024
26K27K27K28K28K1990201020202024Oak Forest
202427K
1990201020202024
Age distribution, 1990
Under 57.8%(2,035)
US avg: 7.3%
5 to 97.1%(1,869)
US avg: 7.3%
10 to 148.6%(2,251)
US avg: 6.9%
15 to 197.8%(2,052)
US avg: 7.1%
20 to 247.5%(1,973)
US avg: 7.5%
25 to 3417.6%(4,606)
US avg: 17.5%
35 to 4416.8%(4,406)
US avg: 15.1%
45 to 5412.5%(3,286)
US avg: 10.2%
55 to 646.9%(1,807)
US avg: 8.5%
65 to 745.1%(1,339)
US avg: 7.3%
75 to 842%(512)
US avg: 4%
85 and over0.3%(67)
US avg: 1.2%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$43,387
−5%inflation adjusted, since 2000
vs $60,073 in 2000
US average: $30,130
1990 – 2024
Per capita income
$15,745
−33%vs 2000
vs $23,487 in 2000
US average: $14,340
Poverty rate
3.0%
−0.6 ptsvs 2000
vs 3.6% in 2000
US average: 13.2%
Section 03

Housing

Median home value
$103,700
−6%inflation adjusted, since 2000
vs $145,900 in 2000
US average: $93,722
1990 – 2024
Median gross rent
$544
+7%inflation adjusted, since 2000
vs $667 in 2000
US average: $450
Owner-occupied
78.0%
−3.7 ptsvs 2000
vs 81.7% in 2000
22.0% rent
RELATED:See current rent listings in Oak Forest on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic86.6%(24,297)
Black3.6%(1,006)
Hispanic / Latino5.9%(1,645)
Asian2.6%(736)
Other0%
1990
White, non-Hispanic97.2%(25,480)
Black0.4%(99)
Hispanic / Latino2.7%(720)
Asian1.6%(417)
Other0.8%(207)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin
Mexican15.8%(4,246)
Puerto Rican1.7%(456)
Argentine0.3%(86)
Peruvian0.1%(24)
Ecuadorian0.1%(17)
Nicaraguan0.1%(15)
Asian origin
Asian Indian2.8%(757)
Filipino1.6%(440)
Chinese0.5%(141)
Korean0.3%(87)
Vietnamese0.1%(24)
Pacific Islander origin
Ancestry
Irish19.3%(5,171)
German17.6%(4,730)
Polish12.6%(3,366)
Italian8.9%(2,386)
English4.3%(1,158)
American2.5%(671)
Arab2.1%(554)
Lithuanian1.9%(518)
Dutch1.6%(420)
Palestinian1.4%(364)
Czech1.3%(350)
+ 26 more ancestry groups with data
French0.8%(213)
Scottish0.8%(206)
Swiss0.7%(190)
Croatian0.7%(178)
Norwegian0.6%(165)
Greek0.6%(152)
Swedish0.6%(149)
Nigerian0.5%(130)
Slovak0.4%(117)
Jordanian0.4%(114)
Danish0.4%(108)
Austrian0.4%(106)
Welsh0.3%(78)
Canadian0.3%(70)
Hungarian0.2%(63)
Scotch-Irish0.2%(60)
Belgian0.2%(47)
Finnish0.1%(33)
Russian0.1%(27)
West Indian0.1%(19)
Jamaican0.1%(19)
Romanian0.1%(15)
Ukrainian0%(13)
Slovene0%(12)
RANKED:Largest Irish population · Largest German population · Largest Mexican population · Largest Polish population · Largest Italian population
Section 05

Education

Bachelor's degree or higher
17.8%
−4.7 ptsvs 2000
vs 22.5% in 2000
US average: 20.3%
High school or higher
87.2%
−2.1 ptsvs 2000
vs 89.3% in 2000
US average: 75.2%
Graduate degree
6.4%
−0.4 ptsvs 2000
vs 6.8% in 2000
US average: 7.1%
Section 06

Commute & transportation

Average commute
27.8 min
+13%vs 2000
vs 24.6 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status (2024)
Men 15+
Never married34.4%(3,750)
Married56.8%(6,201)
Widowed2.3%(246)
Divorced6.5%(713)
Women 15+
Never married27.3%(3,099)
Married54.1%(6,149)
Widowed6%(681)
Divorced12.6%(1,435)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Drill deeper

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Pop 25,120
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Head to head

Compare Oak Forest to nearby cities

OAK FOREST VS
Midlothian
Income$70,000+61%
Home value$207,000+100%
Population13,841−48%
SEE FULL COMPARISON →
OAK FOREST VS
Crestwood
Income$75,752+75%
Home value$195,200+88%
Population10,529−61%
SEE FULL COMPARISON →
OAK FOREST VS
Markham
Income$57,302+32%
Home value$135,300+30%
Population11,274−58%
SEE FULL COMPARISON →
OAK FOREST VS
Country Club Hills
Income$75,197+73%
Home value$192,000+85%
Population16,215−39%
SEE FULL COMPARISON →
Frequently asked

How many people live in Oak Forest, Illinois?

Oak Forest, Illinois has about 26,203 residents according to the 1990 Census.

What is the median household income in Oak Forest, Illinois?

The typical household in Oak Forest, Illinois earns about $43,387 a year. Half of households make more than that, and half make less.

Is Oak Forest, Illinois expensive?

In Oak Forest, Illinois, the median home is worth about $103,700, and the typical rent is about $544 a month.

How educated are people in Oak Forest, Illinois?

About 17.8% of adults age 25 and over in Oak Forest, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Oak Forest, Illinois?

About 3.0% of people in Oak Forest, 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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