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CITY

Allendale

Illinois · 437 residents (2025 est.) · 0.307 sq mi
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The short version

Allendale has notably lower household income than the US average, with a median household income of $60,000. Population has declined 5% since 2000. 9% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has more than doubled since 2000, reaching $91,000. With a median age of 44.1, the population is older than the US median of 38.9. Households here earn about 28% less than the Illinois median.

At a glance
Lower income
below the US median
US median: $82,259
Older
median age 44.1
US median: 38.9
Less educated
9% 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

Total population
499
−5%since 2000
from 528 in 2000
1990 – 2025
Population density
1,625 / sq mi
−5%since 2000
from 1,720 / sq mi in 2000
US average: 281
Median age
44.1
+20%since 2000
from 36.8 in 2000
US average: 38.9

PEP 2025 EST:437 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
4275206147088011990201020202024Allendale
2024499
1990201020202024
Section 02

Income & economy

Median household income
$60,000
+4%inflation adjusted, since 2000
from $31,705 in 2000
US average: $82,259
1990 – 2024
Per capita income
$32,342
+167%since 2000
from $12,117 in 2000
US average: $44,673
Households earning $100K+
42.9%
+21.3 ptssince 2009
from 21.6% in 2009
US average: 53.3%
Poverty rate
11.3%
−5.4 ptssince 2000
from 16.6% in 2000
US average: 12.5%
Income inequality (Gini)
0.392
+10%since 2010
from 0.358 in 2010
US average: 0.476
Workforce by industry, 2024
Retail trade14.5%
US avg: 9.9%
Agriculture, forestry, fishing9.2%
US avg: 1.6%
Information8.7%
US avg: 10.8%
Construction5.3%
US avg: 1.2%
Manufacturing3.9%
US avg: 0.4%
Wholesale trade3.4%
US avg: 6.9%
Finance & insurance3.4%
US avg: 5.9%
Other services2.9%
US avg: 6.7%
Public administration2.9%
US avg: 4.8%
Professional, scientific, technical1.9%
US avg: 5.1%
Education & health services1.4%
US avg: 0.9%
Transportation & warehousing1%
US avg: 2.2%
Arts, entertainment, food0%
US avg: 1.9%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$91,000
Unchangedinflation adjusted, since 2000
from $50,000 in 2000
US average: $376,019
1990 – 2024
Owner-occupied
87.4%
+2.5 ptssince 2000
from 84.9% in 2000
12.6% rent
Vacancy rate
4.8%
−0.3 ptssince 2009
from 5.1% in 2009
US average: 10.0%
Owner cost-burdened
14.5%
−0.8 ptssince 2009
from 15.2% in 2009
US average: 22.9%
Renter cost-burdened
40.0%
+14.1 ptssince 2009
from 25.9% in 2009
US average: 47.4%
Afford Score
1.5
−4%since 2000
from 1.6 in 2000
1990 – 2024
Gentrification Score
23
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)
2024
White, non-Hispanic94.2%(470)
Black0%(0)
Hispanic / Latino0.4%(2)
Asian1.8%(9)
Other3.6%(18)
Diversity Score13.9%(69)
Diversity Score
14
+196%since 2000
from 5 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
9.3%
−3.6 ptssince 2000
from 12.9% in 2000
US average: 35.6%
High school or higher
93.5%
+4.1 ptssince 2000
from 89.4% in 2000
US average: 89.6%
Graduate degree
4.4%
−0.3 ptssince 2000
from 4.6% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
27.9 min
+107%since 2000
from 13.5 min in 2000
US average: 26.5
Drive alone to work
89.3%
−0.9 ptssince 2009
from 90.1% in 2009
US average: 68.9%
Carpooled to work
7.3%
+0.2 ptssince 2009
from 7.1% in 2009
US average: 8.5%
Public transit
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 3.2%
Worked from home
2.9%
+2.9 ptssince 2009
from 0.0% in 2009
US average: 15.0%
Walked to work
0.5%
−0.3 ptssince 2009
from 0.8% in 2009
US average: 2.4%
Biked to work
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 0.4%
No vehicle available
6.1%
+6.1 ptssince 2009
from 0.0% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
25.5%
+19.7 ptssince 2011
from 5.9% in 2011
US average: 5.2%
Labor force participation
67.0%
+1.1 ptssince 2011
from 65.8% in 2011
US average: 63.5%
Self-employed
10.1%
+2.8 ptssince 2009
from 7.4% in 2009
US average: 13.1%
Management & professional
23.7%
−19.1 ptssince 2009
from 42.8% in 2009
US average: 42.5%
Section 08

People & community

Male
55.7%
−1.8 ptssince 2009
from 57.5% in 2009
Female
44.3%
+1.8 ptssince 2009
from 42.5% in 2009
Foreign born
0.6%
+0.6 ptssince 2009
from 0.0% in 2009
US average: 14.1%
Veterans
5.4%
−51.2 ptssince 2009
from 56.6% in 2009
US average: 6.2%
With a disability
15.8%
+0.9 ptssince 2012
from 14.9% in 2012
US average: 13.3%
Uninsured
2.0%
−90.2 ptssince 2013
from 92.2% in 2013
US average: 8.4%
Broadband at home
77.3%
+1.7 ptssince 2017
from 75.6% in 2017
US average: 91.0%
English only at home
97.1%
−2.4 ptssince 2016
from 99.5% in 2016
US average: 77.7%
Spanish at home
1.0%
+0.7 ptssince 2016
from 0.3% in 2016
US average: 13.6%
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Frequently asked

How many people live in Allendale, Illinois?

Allendale, Illinois has about 499 residents according to the 2024 American Community Survey.

What is the median household income in Allendale, Illinois?

The typical household in Allendale, Illinois earns about $60,000 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 $91,000.

How educated are people in Allendale, Illinois?

About 9.3% 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 11.3% of people in Allendale, Illinois live below the federal poverty line.

Has Allendale, Illinois grown since 1990?

Yes, Allendale, Illinois has grown since 1990. The population has added about 13 residents, a change of about 3 percent over that period.

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

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