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COUNTY · 2000 CENSUS

McLean County

Illinois · 150,433 residents · 1,183.248 sq mi
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The short version

McLean County is wealthier than most US places, with a median household income of $47,021. Population has grown 16% since 1990. 36% of adults hold a bachelor's degree or higher, well above the national rate of 24%. Median home value has risen by half since 1990, reaching $109,300. At a median age of 30.5, residents skew younger than the country as a whole.

At a glance
Wealthier
above the US median
US median: $42,589
Younger
median age 30.5
US median: 35.2
More educated
36% hold a bachelor's degree
US average: 24%
Less affordable
home values up 27%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

150,433
+16%since 1990
from 129,180 in 1990
1990 – 2025
30.5
+5%since 1990
from 29.1 in 1990
US average: 35.2
Population, 19902024
125K138K151K164K178K1990201020202024McLean County
2024172K
1990201020202024
Age distribution, 2000
Under 56.5%(9,746)
US avg: 6.8%
5 to 96.7%(10,147)
US avg: 7.3%
10 to 146.5%(9,743)
US avg: 7.3%
15 to 199.2%(13,869)
US avg: 7.2%
20 to 2413.2%(19,787)
US avg: 6.7%
25 to 3414.2%(21,316)
US avg: 14.2%
35 to 4415%(22,580)
US avg: 16%
45 to 5412.2%(18,312)
US avg: 13.4%
55 to 646.9%(10,312)
US avg: 8.6%
65 to 745%(7,521)
US avg: 6.5%
75 to 843.4%(5,130)
US avg: 4.4%
85 and over1.3%(1,970)
US avg: 1.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$47,021
+14%inflation adjusted, since 1990
from $31,366 in 1990
US average: $42,589
1990 – 2024
$22,227
+57%since 1990
from $14,138 in 1990
US average: $21,522
9.7%
−2.2 ptssince 1990
from 11.9% in 1990
US average: 12.4%
Section 03

Housing

$109,300
+27%inflation adjusted, since 1990
from $65,400 in 1990
US average: $120,530
1990 – 2024
$533
+5%inflation adjusted, since 1990
from $387 in 1990
US average: $602
66.5%
+3.0 ptssince 1990
from 63.5% in 1990
33.5% rent
RELATED:See current rent listings in McLean County on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic93.8%(121,219)
Black4.2%(5,459)
Hispanic / Latino1%(1,297)
Asian1.4%(1,774)
2000
White, non-Hispanic87.9%(132,224)
Black6.1%(9,189)
Hispanic / Latino2.5%(3,833)
Asian2%(3,072)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

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

Hispanic origin
Mexican4.8%(8,298)
Puerto Rican0.5%(786)
Cuban0.2%(287)
Guatemalan0.2%(267)
Peruvian0.1%(193)
Salvadoran0.1%(168)
Honduran0.1%(142)
Spaniard0.1%(109)
Colombian0.1%(88)
+ 4 more hispanic origin groups with data
Asian origin
Asian Indian3.6%(6,112)
Chinese0.5%(865)
Filipino0.3%(440)
Korean0.2%(397)
Vietnamese0.2%(373)
Japanese0.1%(118)
Pakistani0.1%(116)
Burmese0.1%(90)
Taiwanese0%(41)
Uzbek0%(38)
Mongolian0%(18)
+ 2 more asian origin groups with data
Laotian0%(5)
Thai0%(1)
Pacific Islander origin
Samoan0%(10)
Tongan0%(2)
Ancestry
German25.6%(43,844)
Irish14.4%(24,673)
English13.1%(22,412)
American4.1%(7,025)
Italian3.7%(6,406)
Polish3.3%(5,581)
Swedish1.9%(3,336)
Scottish1.7%(2,847)
French1.3%(2,295)
Norwegian1.1%(1,900)
Dutch1%(1,677)
+ 46 more ancestry groups with data
Russian0.8%(1,357)
Scotch-Irish0.6%(1,038)
Danish0.6%(1,003)
Welsh0.6%(990)
Arab0.5%(840)
Czech0.4%(689)
Swiss0.4%(623)
Hungarian0.3%(449)
Lithuanian0.3%(431)
Belgian0.2%(411)
Greek0.2%(401)
British0.2%(383)
Croatian0.2%(308)
Slovak0.2%(280)
Austrian0.2%(273)
Ukrainian0.2%(264)
Turkish0.1%(257)
West Indian0.1%(252)
Lebanese0.1%(240)
Nigerian0.1%(225)
Jamaican0.1%(205)
Finnish0.1%(196)
Romanian0.1%(134)
Canadian0.1%(126)
Palestinian0.1%(121)
Ethiopian0.1%(101)
Moroccan0.1%(100)
Portuguese0.1%(94)
Egyptian0.1%(90)
Guyanese0%(56)
Serbian0%(51)
Iranian0%(46)
Kenyan0%(42)
Latvian0%(32)
Bulgarian0%(27)
Brazilian0%(23)
Syrian0%(19)
Armenian0%(19)
Ghanaian0%(17)
Slovene0%(2)
RANKED:Largest German population · Largest Irish population · Largest English population · Largest Mexican population · Largest American population
Section 05

Education

36.2%
+7.2 ptssince 1990
from 29.0% in 1990
US average: 24.4%
High school or higher
90.7%
+6.0 ptssince 1990
from 84.7% in 1990
US average: 80.3%
11.0%
+2.0 ptssince 1990
from 9.0% in 1990
US average: 8.8%
Section 06

Commute & transportation

11.3 min
−33%since 1990
from 16.8 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.

Marital status
Men 15+
Never married34.3%(19,668)
Married56.4%(32,408)
Widowed1.8%(1,024)
Divorced7.5%(4,313)
Women 15+
Never married31.4%(19,878)
Married51.8%(32,816)
Widowed7.4%(4,715)
Divorced9.4%(5,959)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
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Frequently asked

How many people live in McLean County, Illinois?

McLean County, Illinois has about 150,433 residents according to the 2000 Census.

What is the median household income in McLean County, Illinois?

The typical household in McLean County, Illinois earns about $47,021 a year. Half of households make more than that, and half make less.

Is McLean County, Illinois expensive?

In McLean County, Illinois, the median home is worth about $109,300, and the typical rent is about $533 a month.

How educated are people in McLean County, Illinois?

About 36.2% of adults age 25 and over in McLean County, Illinois hold a bachelor's degree or higher.

What is the poverty rate in McLean County, Illinois?

About 9.7% of people in McLean County, Illinois live below the federal poverty line.

Has McLean County, Illinois grown since 1990?

Yes, McLean County, Illinois has grown since 1990. The population has added about 21,253 residents, a change of about 16 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 →