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CITY

Belknap

Illinois · 86 residents (2025 est.) · 1.057 sq mi
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The short version

Belknap has lower-than-average household income, with a median household income of $67,500. Population has declined 14% since 2000. Median home value has more than doubled since 2000, reaching $40,700. With a median age of 50.5, the population is older than the US median of 38.9. Poverty is rare here, at 6.1% of residents.

At a glance
Lower income
below the US median
US median: $82,259
Older
median age 50.5
US median: 38.9
Less educated
25% hold a bachelor's degree
US average: 36%
Less affordable
home values up 28%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
115
−14%since 2000
from 133 in 2000
1990 – 2025
Population density
109 / sq mi
−14%since 2000
from 126 / sq mi in 2000
US average: 281
Median age
50.5
+56%since 2000
from 32.4 in 2000
US average: 38.9

PEP 2025 EST:86 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
24621001381761990201020202024Belknap
2024115
1990201020202024
Section 02

Income & economy

Median household income
$67,500
+45%inflation adjusted, since 2000
from $25,625 in 2000
US average: $82,259
1990 – 2024
Per capita income
$34,075
+156%since 2000
from $13,319 in 2000
US average: $44,673
Households earning $100K+
29.2%
+12.5 ptssince 2009
from 16.7% in 2009
US average: 53.3%
Poverty rate
6.1%
−7.1 ptssince 2000
from 13.2% in 2000
US average: 12.5%
Income inequality (Gini)
0.400
+15%since 2010
from 0.348 in 2010
US average: 0.476
Workforce by industry, 2024
Information31.6%
US avg: 10.8%
Agriculture, forestry, fishing11.4%
US avg: 1.6%
Construction11.4%
US avg: 1.2%
Finance & insurance8.9%
US avg: 5.9%
Professional, scientific, technical8.9%
US avg: 5.1%
Manufacturing0%
US avg: 0.4%
Wholesale trade0%
US avg: 6.9%
Retail trade0%
US avg: 9.9%
Transportation & warehousing0%
US avg: 2.2%
Education & health services0%
US avg: 0.9%
Arts, entertainment, food0%
US avg: 1.9%
Other services0%
US avg: 6.7%
Public administration0%
US avg: 4.8%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$40,700
+28%inflation adjusted, since 2000
from $17,500 in 2000
US average: $376,019
1990 – 2024
Owner-occupied
72.9%
−23.2 ptssince 2000
from 96.1% in 2000
27.1% rent
Vacancy rate
14.3%
−27.6 ptssince 2009
from 41.9% in 2009
US average: 10.0%
Owner cost-burdened
28.6%
+11.9 ptssince 2009
from 16.7% in 2009
US average: 22.9%
Renter cost-burdened
0.0%
−100.0 ptssince 2010
from 100.0% in 2010
US average: 47.4%
Afford Score
0.6
−12%since 2000
from 0.7 in 2000
1990 – 2024
Gentrification Score
64
RELATED:See current rent listings in Belknap on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic87.2%(116)
Black0.8%(1)
Hispanic / Latino1.5%(2)
Asian0%(0)
Other0%
Diversity Score6.2%(8)
2024
White, non-Hispanic96.5%(111)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Other3.5%(4)
Diversity Score8.4%(10)
Diversity Score
8
+36%since 2000
from 6 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
24.5%
+20.9 ptssince 2000
from 3.6% in 2000
US average: 35.6%
High school or higher
91.2%
+16.5 ptssince 2000
from 74.7% in 2000
US average: 89.6%
Graduate degree
0.0%
Unchangedsince 2000
from 0.0% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
27.7 min
+44%since 2000
from 19.3 min in 2000
US average: 26.5
Drive alone to work
100.0%
+29.4 ptssince 2009
from 70.6% in 2009
US average: 68.9%
Carpooled to work
0.0%
−29.4 ptssince 2009
from 29.4% in 2009
US average: 8.5%
Public transit
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 3.2%
Worked from home
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 15.0%
Walked to work
0.0%
Unchangedsince 2009
from 0.0% 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
10.4%
−6.2 ptssince 2009
from 16.7% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
0.0%
Unchangedsince 2011
from 0.0% in 2011
US average: 5.2%
Labor force participation
75.2%
+27.1 ptssince 2011
from 48.1% in 2011
US average: 63.5%
Self-employed
27.8%
+16.1 ptssince 2009
from 11.8% in 2009
US average: 13.1%
Management & professional
5.1%
−24.3 ptssince 2009
from 29.4% in 2009
US average: 42.5%
Section 08

People & community

Male
50.4%
−0.9 ptssince 2009
from 51.4% in 2009
Female
49.6%
+0.9 ptssince 2009
from 48.6% in 2009
Foreign born
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 14.1%
Veterans
6.7%
−43.3 ptssince 2009
from 50.0% in 2009
US average: 6.2%
With a disability
13.0%
+3.5 ptssince 2012
from 9.5% in 2012
US average: 13.3%
Uninsured
0.9%
−94.5 ptssince 2013
from 95.4% in 2013
US average: 8.4%
Broadband at home
62.5%
+24.3 ptssince 2017
from 38.2% in 2017
US average: 91.0%
English only at home
100.0%
Unchangedsince 2016
from 100.0% in 2016
US average: 77.7%
Spanish at home
0.0%
Unchangedsince 2016
from 0.0% in 2016
US average: 13.6%
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BELKNAP VS
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BELKNAP VS
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BELKNAP VS
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Home value$113,300+178%
Population12,268+14165%
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Frequently asked

How many people live in Belknap, Illinois?

Belknap, Illinois has about 115 residents according to the 2024 American Community Survey.

What is the median household income in Belknap, Illinois?

The typical household in Belknap, Illinois earns about $67,500 a year. Half of households make more than that, and half make less.

Is Belknap, Illinois expensive?

In Belknap, Illinois, the median home is worth about $40,700.

How educated are people in Belknap, Illinois?

About 24.5% of adults age 25 and over in Belknap, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Belknap, Illinois?

About 6.1% of people in Belknap, Illinois live below the federal poverty line.

Has Belknap, Illinois grown since 1990?

Yes, Belknap, Illinois has shrunk since 1990. The population has lost about 29 residents, a change of about -20 percent over that period.

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

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