City safety & data profile

JanesvilleWI

Q: What is the population of Janesville, WI?

Janesville, WI has a population of 64,123 people, located in Rock County, Wisconsin.

Q: 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%.

Q: What is the median home value in Janesville?

The median home value in Janesville, WI is $223,400. Median rent is $1,054/month.

Q: 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.

Q: How many hospitals are in Janesville?

Janesville has 2 hospitals with an average rating of 3.5/5 stars. 2 have emergency departments.

Q: 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.

Q: What is the climate like in Janesville?

Janesville has an average annual temperature of 47.8°F and 37.4" of annual precipitation.

Q: What is the cost of living in Janesville?

The regional price parity for Janesville is 93.703, meaning prices are 6.3% below the national average.

Q: Has Janesville had flood insurance claims?

Rock County, Wisconsin has recorded 36 NFIP flood insurance claims since 2016, totaling $356K in payouts. This is county-level data: FEMA does not attribute individual claims to a specific city.

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.

Compiled by Areazine

Data updated 2026-09-16

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

My saved cities

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.

Bottom 42%
by median income, US cities: 2
hospitals in & near Janesville

Composite score · Janesville, WI

48/100

4 published dimensions · ACS/FBI 2024

A transparent index Areazine derives from Census ACS medians (income, poverty, bachelor's share) and FBI UCR violent-crime rates when published, not an official Census Bureau or FBI rating. Higher means a stronger standing on those published figures, not a livability rating, not a recommendation to move to or avoid any place. Missing inputs drop out and redistribute weight. How it is calculated.

Poverty rate C+

9.0%

Share of residents below the poverty line; lower scores better on this axis. ACS 5-Year Estimates.

Violent crime C+

250 /100k

FBI UCR violent offenses per 100,000 residents. State-level rate (per-city UCR reporting is incomplete/voluntary): every city in the state shares this value; lower is stronger on this axis.

Household income D

$73,446

Median household income vs cities tracked on Areazine; ACS 5-Year Estimates.

Bachelor's+ share F

27.3%

Adults with a bachelor's degree or higher; ACS 5-Year Estimates.

Compare against every tracked city: Healthiest Cities in America (health outcomes only) · Community Wellbeing Cities (this page's blended composite).

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

Each bar is a $20,000-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

Milwaukee

563,531
Madison

280,305
Green Bay

105,207
Kenosha

99,858
Racine

77,742
Appleton

74,139
Waukesha

71,970
Eau Claire

67,778
Oshkosh

66,555
Janesville

64,123

What this shows Milwaukee is the largest WI city on this list; Whitefish Bay leads median income.

Whitefish Bay

$157,109
Mequon

$144,051
Richfield

$143,963
Brookfield

$129,548
Waunakee

$125,220
Verona

$119,606
Sussex

$119,041
Suamico

$118,337
Muskego

$112,221
Franklin

$106,894

What this shows Whitefish Bay posts the highest place-level median income in WI; Milwaukee is largest by headcount.

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.

2 hospitals in/around Janesville, 3.5/5 avg rating, 2 with an ER. Climate: 47.8°F annual average, 37.4" precipitation.

Among the CDC measures on this page, obesity departs furthest from its peer median: 41.6% in Janesville, the highest-prevalence quarter of the 3,759 cities reporting that measure.

A typical renter in Janesville, WI pays $1,054/month, in the cheapest quarter of reporting cities -- rent here is not what strains a local paycheck.

Housing is inexpensive against local pay -- the median home in Janesville runs about 3.0 years of median household income, in the cheapest quarter of reporting cities.

Remote work covers 9.5% of Janesville workers, under the midpoint for reporting cities.

Unemployment in Janesville sits at 4.1%, below the midpoint of reporting cities.

27.3% of Janesville adults hold a bachelor's degree or higher, below the midpoint of reporting cities.

At 9%, poverty in Janesville, WI runs below the midpoint of reporting cities -- enough to matter locally, not enough to dominate the city's profile.

Sources: U.S. Census ACS, CDC PLACES, CMS Hospital Compare, plus live alerts for Janesville from FEMA, NOAA, FDA, and CPSC. Economic comparison bars use the unweighted average across tracked Census places with a reported value, not a household-weighted national median.

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%

The Economic Picture

The clearest outlier in Janesville's numbers is median rent: $1,054/mo, which is 32% below what's typical across the tracked-city set. Poverty rate also diverges: 9.0%, 27% below average.

Economics indicators for Janesville, WI
Indicator	Value
Median Rent	$1,054/mo
Poverty Rate	9% -27% vs avg
Unemployment	4.1%
Bachelor's Degree+	27.3%
Work From Home	9.5%
Public Transit	0.6%

Population Snapshot

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

CMS Overall Hospital Quality Star Rating (1-5): a composite score across dozens of reported measures, not a single outcome guarantee for any patient. It isn't adjusted for patient case mix and isn't directly comparable across hospital types, a critical-access facility and a large teaching hospital aren't rated on the same measure set.

Rating Distribution

★★★★★

★★★★

★★★

★★

★

Average Rating

3.5/5

Total Hospitals

With ER

SSM HEALTH ST MARY'S HOSPITAL - JANESVILLE

JANESVILLE · Acute Care Hospitals · ER

★★★★☆

MERCY HEALTH SYSTEM CORP

JANESVILLE · Acute Care Hospitals · ER

★★★☆☆

Climate

NOAA 1991-2020 Normals

Avg Temperature

48°F

Annual Rainfall

37.4"

Hot Months (>80°F)

Cold Months (<40°F)

28°

12°

Jan

1.6"

32°

15°

Feb

1.6"

45°

25°

Mar

2.1"

58°

36°

Apr

3.6"

70°

48°

May

4.1"

80°

58°

Jun

5.0"

83°

62°

Jul

4.2"

82°

60°

Aug

4.3"

75°

51°

Sep

3.7"

62°

40°

Oct

3.0"

46°

29°

Nov

2.3"

34°

18°

Dec

1.9"

Cost of Living

BEA 2024

93.7 Regional Price Parity

6.3% below national average

US avg

93.7

Metro area: Janesville-Beloit, WI (MSA)

Source: BEA Regional Price Parities via FRED. RPP of 100 = national average.

Flood Claims on Record

FEMA NFIP, county-level

Claims filed

$356K

Total paid out

Most common flood zone

36 flood insurance claims have been filed in Rock County since 2016, with $356K paid out by the NFIP.

The largest single contributor was 2026-04-Flooding, accounting for 9 claims.

Source: FEMA National Flood Insurance Program (NFIP) claims, via OpenFEMA. County-level data: individual claims are not attributed to a specific city or address by FEMA.

What alerts and safety updates affect Janesville?

No area-tagged alerts are on record for Janesville right now. New federal and counterpart-agency notices still land in the site feed as agencies publish them.

City alert dispatch desk

Sheet WI-JANESVILLE · Janesville

Janesville: no area-tagged alerts on record. State hubs carry the live CAP stream.

FEED-QUIET No tagged alerts
LEAD-NONE Feed idle
DESK-IDLE Awaiting feed

Counts reflect published articles tagged to Janesville; untagged NOAA county warnings may still appear in the site feed. Browse Wisconsin state hubs · Methodology

Common Questions 9

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.

What is the climate like in Janesville? ▼

Janesville has an average annual temperature of 47.8°F and 37.4" of annual precipitation.

What is the cost of living in Janesville? ▼

The regional price parity for Janesville is 93.703, meaning prices are 6.3% below the national average.

Has Janesville had flood insurance claims? ▼

Rock County, Wisconsin has recorded 36 NFIP flood insurance claims since 2016, totaling $356K in payouts. This is county-level data: FEMA does not attribute individual claims to a specific city.

Similar poverty or income, nationwide 8

Two ACS-derived peer sets for Janesville, both outside Wisconsin so the neighborhoods are not the geographic nearby list below.

Similar poverty rate

Nearest place-level ACS poverty rates outside WI (9% here).

Colorado Springs, CO 9% Henderson, NV 9% Downey, CA 9% Richland, WA 9%

Similar median income

Nearest place-level ACS median household incomes outside WI ($73,446 here).

West Palm Beach, FL $73,446 Union, MO $73,435 Riverview, MI $73,468 Odessa, TX $73,472

Compare Janesville with another city

Pick a second U.S. city to open a side-by-side profile on population, income, health, and hospitals, the same federal datasets as this page.

Quick picks:

Cities Close By 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

What to do with Janesville's numbers

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
A median income figure alone can mislead, cross-check it against the poverty rate for the fuller picture.
Compare Janesville against Wisconsin peers on any ranking lens. Explore Wisconsin

Place-level figures for population and economics (income, home value, poverty, education) come from U.S. Census ACS; health data is CDC PLACES; hospital counts cover facilities in and around the city. Any county-level trend is labeled as such.

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 (place-level ACS), CDC, and CMS releases, updated quarterly within 30 days of upstream release. County-level trends are labeled when shown. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-09-16.