United States › Illinois › Belknap CITY
Belknap Illinois · 86 residents (2025 est.) · 1.06 sq mi
Time machine
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The short version
With 115 people, Belknap is a city in Illinois. The median age is 50.5, about 12 years above the US median. People stay put here: 47% were in the same home a year ago. The typical home is worth $40,700, having more than doubled since 2000. 0% of people here were born outside the United States. About 25% of adults have finished a four-year degree.
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 from 133 in 2000
86 in 2025 (Census Bureau estimate)
109 / sq mi
+211%since 2009
from 35 / sq mi in 2009
US average: 281
from 32.4 in 2000
US average: 38.9
Population, 1990 – 2024
24 62 100 138 176 1990 2000 2010 2020 2024 Belknap Age distribution, 2024
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $67,500
+45%inflation adjusted, since 2000
from $25,625 in 2000
US average: $82,259
from $13,319 in 2000
US average: $44,673
Households earning $100K+
from 16.7% in 2009
US average: 53.3%
from 13.2% in 2000
US average: 12.5%
from 0.348 in 2010
US average: 0.476
Workforce by industry, 2024
Agriculture, forestry, fishing 11.4%
Professional, scientific, technical 8.9%
Transportation & warehousing 0%
Education & health services 0%
Arts, entertainment, food 0%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
$40,700
+28%inflation adjusted, since 2000
from $17,500 in 2000
US average: $376,019
from 96.1% in 2000
27.1% rent
from 41.9% in 2009
US average: 10.0%
from 2.55 people in 2010
US average: 2.54
from 16.7% in 2009
US average: 22.9%
from 100.0% in 2010
US average: 47.4%
from 1.4 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04
Race & ethnicity 2000
White, non-Hispanic 87.2%(116)
2024
White, non-Hispanic 96.5%(111)
from 7 in 2009
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins
Detailed origins & ancestry from 3.6% in 2000
US average: 35.6%
High school or higher
from 74.7% in 2000
US average: 89.6%
from 0.0% in 2000
US average: 14.0%
Section 06
Commute & transportation from 19.3 min in 2000
US average: 26.5
100.0%
+29.4 ptssince 2009
from 70.6% in 2009
US average: 68.9%
from 29.4% in 2009
US average: 8.5%
from 0.0% in 2009
US average: 3.2%
from 0.0% in 2009
US average: 15.0%
from 0.0% in 2009
US average: 2.4%
from 0.0% in 2009
US average: 0.4%
from 16.7% in 2009
US average: 8.3%
Section 07
Work & employment from 0.0% in 2011
US average: 5.2%
from 48.1% in 2011
US average: 63.5%
Women 20-64 in the labor force
from 68.3% in 2020
US average: 74.6%
from 11.8% in 2009
US average: 13.1%
from 5.9% in 2009
US average: 42.5%
Section 08
People & community from 0.0% in 2009
US average: 14.1%
from 6.3% in 2009
US average: 6.2%
from 9.5% in 2012
US average: 13.3%
from 4.6% in 2013
US average: 8.4%
from 38.2% in 2017
US average: 91.0%
Computer in household
from 64.7% in 2020
US average: 95.5%
from 79.6% in 2020
US average: 87.7%
100.0%
Unchangedsince 2016
from 100.0% in 2016
US average: 77.7%
from 0.0% in 2016
US average: 13.6%
Marital status
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 4.6% in 2013
US average: 8.4%
from 73.2% in 2020
US average: 54.8%
Direct-purchase
from 4.9% in 2020
US average: 13.8%
from 17.6% in 2020
US average: 18.4%
from 23.2% in 2020
US average: 20.9%
VA health care
from 1.4% in 2020
US average: 2.2%
Any private
from 76.8% in 2020
US average: 67.1%
Any public
from 36.6% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 0%(0)
Share of the 7 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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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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