CITY
Janesville
Illinois · 39 residents · 0.061 sq mi
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Part of the Charleston micropolitan area
The short version
The city has more than doubled in size since 2023, adding 25 residents. 0% of adults hold a bachelor's degree or higher, below the national rate of 36%. With a median age of 50.1, the population is older than the US median of 38.9. Poverty is rare here, at 0.0% of residents.
At a glance
Older
median age 50.1
US median: 38.9
Less educated
0% hold a bachelor's degree
US average: 36%
Owner-heavy
100% owner-occupied
US average: 65%
Section 01
Population & growth
Population, 2020 – 2024
202439
Age distribution, 2024
Under 50%(0)
5 to 90%(0)
10 to 140%(0)
15 to 1915.4%(6)
20 to 240%(0)
25 to 3415.4%(6)
35 to 440%(0)
45 to 5443.6%(17)
55 to 6425.6%(10)
65 to 740%(0)
75 to 840%(0)
85 and over0%(0)
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy
Households earning $100K+
100.0%
Unchangedsince 2023
from 100.0% in 2023
US average: 53.3%
Workforce by industry, 2024
Information30.8%
Finance & insurance28.2%
Professional, scientific, technical28.2%
Retail trade25.6%
Agriculture, forestry, fishing0%
Construction0%
Manufacturing0%
Wholesale trade0%
Transportation & warehousing0%
Education & health services0%
Arts, entertainment, food0%
Other services0%
Public administration0%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03
Housing
RELATED:See current rent listings in Janesville on RentDataNow
Section 04
Race & ethnicity
2023
White, non-Hispanic100%(14)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Other0%(0)
2024
White, non-Hispanic100%(39)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Other0%(0)
0
from 0 in 2023
2021 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins
Detailed origins & ancestry
Section 05
Education
High school or higher
100.0%
Unchangedsince 2023
from 100.0% in 2023
US average: 89.6%
Section 07
Work & employment
Section 08
People & community
Marital status
Men 15+
Never married26.1%(6)
Married73.9%(17)
Widowed0%(0)
Divorced0%(0)
Women 15+
Never married0%(0)
Married100%(16)
Widowed0%(0)
Divorced0%(0)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Drill deeper
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JANESVILLE VS
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JANESVILLE VS
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Frequently asked
How many people live in Janesville, Illinois?
Janesville, Illinois has about 39 residents according to the 2024 American Community Survey.
How educated are people in Janesville, Illinois?
About 0.0% of adults age 25 and over in Janesville, Illinois hold a bachelor's degree or higher.
What is the poverty rate in Janesville, Illinois?
About 0.0% of people in Janesville, Illinois live below the federal poverty line.
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IllinoisDATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024