Belknap, Illinois Population 2024

89

Belknap is a city located in Johnson County Illinois. Belknap has a 2024 population of 89. Belknap is currently growing at a rate of 1.14% annually and its population has increased by 2.3% since the most recent census, which recorded a population of 87 in 2020.

The average household income in Belknap is $85,361 with a poverty rate of 5.07%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Belknap is 40.5 years, 54.4 years for males, and 25.3 years for females.

Belknap Demographics

According to the most recent ACS, the racial composition of Belknap was:

  • White: 97.83%
  • Two or more races: 2.17%
  • Black or African American: 0%
  • Native American: 0%
  • Asian: 0%
  • Native Hawaiian or Pacific Islander: 0%
  • Other race: 0%
Land Area (mi²)
1.1 sq mi
Density (mi²)
84.20/sq mi
Growth Since 2020
2.3% (2)
The current population of Belknap, Illinois is 89 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 87.

Belknap, Illinois Population 2024

Population by Race

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Race
Population
Percentage (of total)
White13597.83%
Two or more races32.17%
Black or African American00%
Native American00%
Asian00%
Native Hawaiian or Pacific Islander00%
Other race00%

White

Two or more races

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Belknap Population by Race

Belknap Population Pyramid 2024

Belknap Median Age

40.5

Total

54.4

Male

25.3

Female

Belknap Adults

There are 106 adults, (16 of whom are seniors) in Belknap.

Belknap Age Dependency

53.3

Age Dependency Ratio

17.8

Old Age Dependency Ratio

35.6

Child Dependency Ratio

Belknap Sex Ratio

Female8964.49%
Male4935.51%

Belknap Population by Age

Belknap Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All46378.321.7
Married263.9661.538.5
Non Family1401000
Male42.751000
Female251000

3.78

Average Family Size

3

Average Household Size

78.3%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Belknap Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Belknap Educational Attainment by Sex (over 25)

Belknap Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among 2+ races people with a rate of 100%.

The highest rate of bachelors degrees is among 2+ races people with a rate of 33.33%.

Belknap Educational Attainment by Race

All

Male

Female

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$31,953

Average Earnings

$0

Average Male

$30,625

Average Female

Belknap Earnings by Educational Attainment

Belknap Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Belknap Language

100% of Belknap residents speak only English, while 0% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0% of the population.

Belknap Language

Belknap Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White13575.19%

5.07%

Overall Poverty Rate

8.16%

Male Poverty Rate

3.37%

Female Poverty Rate

Poverty in Belknap

The race most likely to be in poverty in Belknap is White, with 5.19% below the poverty level.

The race least likely to be in poverty in Belknap is White, with 5.19% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0%. Among those working part-time, it was 9.52%, and for those that did not work, the poverty rate was 11.9%.

Belknap Poverty

rate

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Rate
Poverty
Less Than 9th Grade23.53%
Some College15.79%
High School0%
Bachelors or Greater0%

Belknap Poverty Rate by Education

rate

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Rate
Poverty
Male Employed9.09%
Male Unemployed0%
Female Employed0%
Female Unemployed0%

Belknap Poverty Rate by Employment Status and Sex

Belknap Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Belknap Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

41.7%

Overall Marriage Rate

54.5%

Male Marriage Rate

33.8%

Female Marriage Rate

Belknap Married by Age and Sex

male

female

Belknap Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 45-54.

Belknap Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Belknap Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

4

Number of Veterans

4

Male Veterans

0

Female Veterans

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Belknap Veterans by War

count

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Belknap Veterans by Age

count

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Belknap Veterans by Race

Belknap Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

50%

Veteran Poverty Rate

100%

Veteran Disability Rate

Belknap Veterans by Education

LaborForceParticipation

63.7%

Labor Force Participation

60.2%

Employment Rate

5.6%

Unemployment Rate

Belknap Employment by Age

LaborForceParticipation

Belknap Employment by Race

LaborForceParticipation

Belknap Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

59.42%

Born in Belknap

100%

Native Born

0%

Foreign Born

0%

Non Citizen

0%

Naturalized

Place of Birth

100% of Belknap residents were born in the United States, with 59.42% having been born in Illinois. 0% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Belknap Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
20299100%
20289111.11%
20279000%
20269011.12%
20258900%
20248911.14%
20238800%
20228800%
20218811.15%
202087-21-19.44%
201910800%
201810821.89%
2017106-1-0.93%
201610710.94%
201510621.92%
2014104-2-1.89%
201310610.95%
201210510.96%
201110400%
201010400%

Belknap Population by Year