Janesville, Illinois Population 2024

51

Janesville Demographics

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

  • White: 100%
  • Black or African American: 0%
  • Native American: 0%
  • Asian: 0%
  • Native Hawaiian or Pacific Islander: 0%
  • Other race: 0%
  • Two or more races: 0%
Land Area (mi²)
0.1 sq mi
Density (mi²)
830.60/sq mi
Growth Since 2020
34.21% (13)
The current population of Janesville, Illinois is 51 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 38.

Population by Race

Race
Population
Percentage (of total)
White44100%
Black or African American00%
Native American00%
Asian00%
Native Hawaiian or Pacific Islander00%
Other race00%
Two or more races00%

White

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Two or more races

Janesville Population by Race

Janesville Population Pyramid 2024

Janesville Median Age

21.7

Total

0

Male

0

Female

Janesville Adults

There are 44 adults, (0 of whom are seniors) in Janesville.

Janesville Age Dependency

0

Age Dependency Ratio

0

Old Age Dependency Ratio

0

Child Dependency Ratio

Janesville Sex Ratio

Female613.64%
Male3886.36%

Janesville Population by Age

Janesville Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All361.2216.783.3
Non Family3000100
Married62.331000
Male0000
Female0000

2.33

Average Family Size

1.22

Average Household Size

16.7%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Janesville Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade00%
Associates Degree642.86%
Bachelors Degree00%
Graduate Degree00%
High School Graduate00%
Less Than 9th Grade00%
Some College857.14%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Janesville Educational Attainment by Sex (over 25)

Janesville Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White14140

The highest rate of high school graduation is among white people with a rate of 100%.

The highest rate of bachelors degrees is among white people with a rate of 0%.

Janesville Educational Attainment by Race

Janesville Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Janesville Language

100% of Janesville 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.

Janesville Language

Janesville Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White443068.18%

68.18%

Overall Poverty Rate

78.95%

Male Poverty Rate

0%

Female Poverty Rate

Poverty in Janesville

The race most likely to be in poverty in Janesville is White, with 68.18% below the poverty level.

The race least likely to be in poverty in Janesville is White, with 68.18% 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 0%, and for those that did not work, the poverty rate was 100%.

Janesville Poverty

rate

Rate
Poverty
Less Than 9th Grade0%
High School0%
Some College0%
Bachelors or Greater0%

Janesville Poverty Rate by Education

rate

Rate
Poverty
Male Employed0%
Male Unemployed0%
Female Employed0%
Female Unemployed0%

Janesville Poverty Rate by Employment Status and Sex

Janesville Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families-$-999,999,999
Households-$-999,999,999
Married Families-$-999,999,999
Non Families--

mean

median

Income by Household Type

Janesville Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

31.8%

Overall Marriage Rate

21.1%

Male Marriage Rate

100.0%

Female Marriage Rate

Janesville Married by Age and Sex

male

female

Janesville 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 20-34.

Janesville Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Janesville Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

0

Number of Veterans

0

Male Veterans

0

Female Veterans

War
Veterans
Second Gulf War0
First Gulf War0
Vietnam0
Korea0
World War II0

Janesville Veterans by War

count

Age Group
Veterans
18 to 340
35 to 540
55 to 640
65 to 740
75+0

Janesville Veterans by Age

count

Janesville Veterans by Race

Janesville Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0%

Veteran Poverty Rate

0%

Veteran Disability Rate

Janesville Veterans by Education

LaborForceParticipation

31.8%

Labor Force Participation

31.8%

Employment Rate

0%

Unemployment Rate

Janesville Employment by Age

LaborForceParticipation

Janesville Employment by Race

LaborForceParticipation

Janesville 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

18.18%

Born in Janesville

100%

Native Born

0%

Foreign Born

0%

Non Citizen

0%

Naturalized

Place of Birth

100% of Janesville residents were born in the United States, with 18.18% 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.

Janesville Place of Birth

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
20245136.25%
20234849.09%
202244-14-24.14%
2021582052.63%
20203800%

Janesville Population by Year