City safety & data profile

JanesvilleWI

Janesville, WI is a 64K-resident city in Rock County with a median household income of $73,446.

Rock County, Wisconsin. Federal health, economic, and safety indicators for Janesville, drawn from the U.S. Census Bureau American Community Survey, CDC PLACES, and CMS Hospital Compare. Janesville has a population larger than 85% of the 4,640 U.S. cities Areazine tracks, a median home value of $223,400, and 2 hospitals serving the surrounding area.

Data updated 2026-07-22

64K
Population
Top 15%
By size
$73,446
Median income
$223,400
Median home
9%
Poverty rate

The read on Janesville

Janesville posts a median household income higher than 41% of U.S. cities Areazine tracks, where 2 hospitals serve the Janesville area.

Top 59%
by median income, US cities
2
hospitals in & near Janesville

Where Janesville income ranks nationally

Median household income vs. every place Areazine profiles (place-level ACS)

$73,446 Bottom 41% higher than 41% of 3,889 places Areazine profiles

$0–$20,000: 0 places Areazine profiles (0%). Below this entry. $20,000–$40,000: 71 places Areazine profiles (2%). Below this entry. $40,000–$60,000: 788 places Areazine profiles (20%). Below this entry. $60,000–$80,000: 1,055 places Areazine profiles (27%). This entry sits in this band. $80,000–$100,000: 768 places Areazine profiles (20%). Above this entry. $100,000–$120,000: 515 places Areazine profiles (13%). Above this entry. $120,000–$140,000: 308 places Areazine profiles (8%). Above this entry. $140,000–$160,000: 171 places Areazine profiles (4%). Above this entry. $160,000–$180,000: 92 places Areazine profiles (2%). Above this entry. $180,000–$200,000: 47 places Areazine profiles (1%). Above this entry. $200,000–$220,000: 28 places Areazine profiles (1%). Above this entry. $220,000–$240,000: 18 places Areazine profiles (0%). Above this entry. $240,000–$260,000: 28 places Areazine profiles (1%). Above this entry. WI $0 $260,000 every profiled place, bucketed by value

Each bar is a $20K-wide band; taller bars hold more places Areazine profiles. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, American Community Survey (place-level) · 2024 ACS 5-year

The quick read

Reading Janesville, WI beyond the headline numbers

Janesville sits inside Rock County, Wisconsin, at roughly 42.68°N, -89.02°W. Population 64,123, $73,446 median household income. Median home value $223,400, median rent $1,054. Poverty rate 9%, read against that income figure since two cities on the same median can differ underneath it.

CDC PLACES: Janesville's highest-prevalence health measure is obesity at 41.6%, then short sleep duration at 36.3%. 2 hospitals in/around Janesville, 3.5/5 avg rating, 2 with an ER.

Sources: U.S. Census ACS, CDC PLACES, CMS Hospital Compare, plus live alerts for Janesville from FEMA, NOAA, FDA, and CPSC. Comparison bars benchmark each metric against the national reference.

Population
64,123
Janesville
Median Income
$73,446
+8% vs avg
Median Home Value
$223,400
Near average
Median Age
40.7
years

10-Year Trends 2013–2024

County-level trend (Rock County) - Janesville's own historical series isn't separately published by the Census Bureau, so these year-over-year figures track the surrounding county, not the city alone.

20132024
Population
164K+2%
Median Income
$75,673+53%
Median Home Value
$231,600+74%
Poverty Rate
9.3%-35%
Unemployment
3.8%-63%

Economics

Economics indicators for Janesville, WI
IndicatorValue
Median Rent
$1,054/mo
Poverty Rate
9% -37% vs avg
Unemployment 4.1%
Bachelor's Degree+ 27.3%
Work From Home 9.5%
Public Transit 0.6%

Population

White 85.2%
African American 3.1%
Asian 1.6%
Two or More Ethnicities 2.3%

Health Profile 15 measures

Health Indicators

Obesity
41.6%
Short Sleep Duration
36.3%
High Blood Pressure
32.8%
Physical Inactivity
29.2%
Binge Drinking
17.3%
Frequent Mental Distress
16.3%
Current Smoking
14.9%
Frequent Physical Distress
13.7%
Diabetes
11.8%
Current Asthma
11.3%

Preventive Care

Dental Visit 64.7%
Annual Checkup 76.6%

Other Measures

Lack of Health Insurance
8.4%
Coronary Heart Disease
6.6%
Stroke
3.4%

Hospitals 2 total

Rating Distribution
★★★★★
0
★★★★
1
★★★
1
★★
0
★
0
Average Rating
3.5/5
Total Hospitals
2
With ER
2
SSM HEALTH ST MARY'S HOSPITAL - JANESVILLE
JANESVILLE · Acute Care Hospitals · ER
★★★★☆
MERCY HEALTH SYSTEM CORP
JANESVILLE · Acute Care Hospitals · ER
★★★☆☆

Frequently Asked Questions 6

What is the population of Janesville, WI? ▼
Janesville, WI has a population of 64,123 people, located in Rock County, Wisconsin.
What is the median household income in Janesville? ▼
The median household income in Janesville, WI is $73,446 per year, per the U.S. Census ACS. The poverty rate is 9%.
What is the median home value in Janesville? ▼
The median home value in Janesville, WI is $223,400. Median rent is $1,054/month.
What are the top health concerns in Janesville? ▼
The top health indicators in Janesville include Obesity (41.6%), Short Sleep Duration (36.3%), High Blood Pressure (32.8%). Data from CDC PLACES.
How many hospitals are in Janesville? ▼
Janesville has 2 hospitals with an average rating of 3.5/5 stars. 2 have emergency departments.
What is the median age in Janesville? ▼
The median age in Janesville, WI is 40.7 years. 27.3% of residents have a bachelor's degree or higher.

Safety Context

Janesville, WI is located in Rock County, Wisconsin. With a population of 64K and a $73,446 median household income, the community faces health challenges including obesity and short sleep duration. Residents have access to 2 hospitals with an average rating of 3.5/5 stars. Safety alerts for the Janesville area are monitored from federal and state agencies including FEMA, NOAA, FDA, and CPSC.

Safety Guides

How Product Recalls Work

CPSC, FDA & NHTSA recall process explained

Understanding Weather Alerts

Watch vs warning vs advisory explained

Earthquake Magnitude Explained

What the numbers mean & when to act
All safety guides →

Primary source data

EPA Outdoor Air Quality Data

Federal monitoring network, every measurement we report

AirNow - Wisconsin

Real-time AQI for every monitored Wisconsin location

National Weather Service

NOAA active watches, warnings, advisories

CDC Air Quality & Health

Health-impact reference for every AQI category

EPA NAAQS standards

National Ambient Air Quality Standards, the regulatory thresholds

Nearby Cities 8

Beloit, WI 37K Roscoe, IL 11K Fort Atkinson, WI 12K Stoughton, WI 13K Whitewater, WI 15K Machesney Park, IL 23K Loves Park, IL 23K Rockford, IL 148K
All cities in Wisconsin → Compare Janesville vs Beloit → All comparisons → Browse all cities

Using Janesville's profile

Use this as a starting research checklist, not a verdict on whether to live here.

  • Check live recalls, weather and hazard alerts scoped to the Janesville area before relying on national headlines. Check your area
  • Read the poverty rate alongside the income figure, two places with the same median can have very different realities.
  • Compare Janesville against Wisconsin peers on any ranking lens. Explore Wisconsin

Population and economics (income, home value, poverty, education) are place-level U.S. Census ACS; health is CDC PLACES; hospital counts reflect facilities in and around the city.

Data Sources

All data on this page comes from official U.S. government sources. Population and economic data from the Census Bureau American Community Survey (2024 5-year estimates, place geography). Health data from the CDC PLACES program (2023). Hospital ratings from CMS Hospital Compare (2024). Climate data from NOAA. Education data from NCES. Cost of living from Bureau of Economic Analysis. Crime statistics, where referenced on Areazine, originate from the FBI Crime Data Explorer. Housing market figures referenced on Areazine come from HUD Fair Market Rents. Census economics and population are at place geography; some health and hospital indicators are reported at the county level (Rock County) where that is the smallest published unit.

Every figure on Areazine is published directly from official U.S. government sources, no number is typed in by an editor. City demographic and health figures are compiled directly from U.S. Census, CDC, and CMS releases, updated quarterly within 30 days of upstream release. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026.