United States › Illinois › Janesville CITY
Janesville Illinois · 39 residents · 0.06 sq mi
Time machine
COMPARE TO 2020 ACS 2021 ACS 2022 ACS 2023 ACS
The short version
Janesville is home to 39 people in Illinois. 0% of adults hold a bachelor's degree, below the 36% national rate. Owners hold 100% of the housing stock. Since 2023 the city has more than doubled, up 25 people. The median age is 50.1, about 11 years above the US median. 0% of locals were born outside the United States.
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 639 / sq mi
+179%since 2023
from 230 / sq mi in 2023
US average: 281
Population, 2020 – 2024
8 26 45 64 82 2020 2024 Janesville Age distribution, 2024
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%
from 0.0% in 2023
US average: 12.5%
Workforce by industry, 2024
Professional, scientific, technical 28.2%
Agriculture, forestry, fishing 0%
Transportation & warehousing 0%
Education & health services 0%
Arts, entertainment, food 0%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
100.0%
Unchangedsince 2023
from 100.0% in 2023
0.0% rent
from 50.0% in 2023
US average: 10.0%
2.29 people
+15%since 2023
from 2.00 people in 2023
US average: 2.54
from 0.0% in 2023
US average: 22.9%
Section 04
Race & ethnicity 2023
White, non-Hispanic 100%(14)
2024
White, non-Hispanic 100%(39)
from 0 in 2023
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins
Detailed origins & ancestry from 0.0% in 2023
US average: 35.6%
High school or higher
100.0%
Unchangedsince 2023
from 100.0% in 2023
US average: 89.6%
from 0.0% in 2023
US average: 14.0%
Section 07
Work & employment from 0.0% in 2023
US average: 5.2%
100.0%
Unchangedsince 2023
from 100.0% in 2023
US average: 63.5%
Women 20-64 in the labor force
US average: 74.6%
from 0.0% in 2023
US average: 13.1%
from 50.0% in 2023
US average: 42.5%
Section 08
People & community from 0.0% in 2023
US average: 14.1%
from 0.0% in 2023
US average: 6.2%
from 0.0% in 2023
US average: 13.3%
from 0.0% in 2023
US average: 8.4%
100.0%
Unchangedsince 2023
from 100.0% in 2023
US average: 91.0%
Computer in household
US average: 95.5%
100.0%
Unchangedsince 2023
from 100.0% in 2023
US average: 77.7%
from 0.0% in 2023
US average: 13.6%
Marital status
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 0.0% in 2023
US average: 8.4%
Direct-purchase
US average: 13.8%
VA health care
US average: 2.2%
Any private
US average: 67.1%
Any public
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 Drill deeper
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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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