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CITY · 1990 CENSUS

Allendale

Illinois · 486 residents · 0.307 sq mi
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The short version

Allendale has lower-than-average household income, with a median household income of $23,304. Population has declined 8% since 2000. 7% of adults hold a bachelor's degree or higher, below the national rate of 20%. Median home value is $38,800. Households here earn about 28% less than the Illinois median.

At a glance
Lower income
below the US median
US median: $30,130
Mid-age
median age 33.3
US median: 33.0
Less educated
7% hold a bachelor's degree
US average: 20%
Stable housing
home values roughly flat, inflation adjusted
US median home: $93,722
Section 01

Population & growth

486
−8%vs 2000
vs 528 in 2000
1990 – 2025
1,583 / sq mi
−8%vs 2000
vs 1,720 / sq mi in 2000
US average: 221
33.3
−10%vs 2000
vs 36.8 in 2000
US average: 33.0
Population, 19902024
4275206147088011990201020202024Allendale
2024499
1990201020202024
Section 02

Income & economy

$23,304
−3%inflation adjusted, since 2000
vs $31,705 in 2000
US average: $30,130
1990 – 2024
$9,987
−18%vs 2000
vs $12,117 in 2000
US average: $14,340
12.7%
−3.9 ptsvs 2000
vs 16.6% in 2000
US average: 13.2%
Section 03

Housing

$38,800
+2%inflation adjusted, since 2000
vs $50,000 in 2000
US average: $93,722
1990 – 2024
$297
+3%inflation adjusted, since 2000
vs $381 in 2000
US average: $450
88.0%
+3.1 ptsvs 2000
vs 84.9% in 2000
12.0% rent
1.7
+6%vs 2000
vs 1.6 in 2000
1990 – 2024
RELATED:See current rent listings in Allendale on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic97.3%(514)
Black0.8%(4)
Hispanic / Latino1.1%(6)
Asian0%(0)
Other0%
Diversity Score4.7%(25)
1990
White, non-Hispanic100%(486)
Black0%(0)
Hispanic / Latino0.4%(2)
Asian0%(0)
Other0%(0)
Diversity Score1%(5)
1
−78%vs 2000
vs 5 in 2000
1990 – 2024
Section 05

Education

6.9%
−6.1 ptsvs 2000
vs 12.9% in 2000
US average: 20.3%
High school or higher
80.7%
−8.7 ptsvs 2000
vs 89.4% in 2000
US average: 75.2%
2.5%
−2.1 ptsvs 2000
vs 4.6% in 2000
US average: 7.1%
Section 06

Commute & transportation

21.4 min
+59%vs 2000
vs 13.5 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.

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Frequently asked

How many people live in Allendale, Illinois?

Allendale, Illinois has about 486 residents according to the 1990 Census.

What is the median household income in Allendale, Illinois?

The typical household in Allendale, Illinois earns about $23,304 a year. Half of households make more than that, and half make less.

Is Allendale, Illinois expensive?

In Allendale, Illinois, the median home is worth about $38,800, and the typical rent is about $297 a month.

How educated are people in Allendale, Illinois?

About 6.9% of adults age 25 and over in Allendale, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Allendale, Illinois?

About 12.7% of people in Allendale, 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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