WI area data
Janesville, WI
Aggregated across 2 ZIP codes in Janesville.
Population: 54,570 (Census ACS)
Home values & appreciation
- Median home value
- $309,185
- 1-year appreciation
- +5.9%
- 3-year appreciation
- +20.3%
- 5-year appreciation
- +38.6%
- 10-year appreciation
- +113.3%
- All-time peak (2026-07)
- $309,185
- House Price Index
- 459.9 (+5.7% YoY)
Market activity
- Median sale price
- $277,450
- Median list price
- $382,475
- Median days on market
- 50 days
- Sale-to-list ratio
- 103.0%
- Active listings
- 31
- 1-year forecast
- +3.4%
- Days to pending
- 20 days
- New listings (monthly)
- 68
Rents
- Typical rent
- $1,236/mo
- 1-year rent change
- +8.9%
- 1BR fair-market rent
- $978/mo
- 3BR fair-market rent
- $1,599/mo
Affordability
- Cost of living index (Below Average)
- 93.0 (100 = US avg)
- Electricity rate (state-level)
- 18.2¢/kWh
- Natural gas rate (state-level)
- $10.70/MCF
- 30-year mortgage rate (national)
- 6.66%
- 15-year mortgage rate (national)
- 6.00%
Schools
- Total schools
- 18
- Elementary schools
- 11
- Middle schools
- 2
- High schools
- 3
- Charter schools
- 2
Natural hazards & flood risk
- Overall hazard risk
- Relatively Moderate
- Top hazards
- coldWave, hail, lightning, strongWind, tornado
- FEMA flood zone
- A09
- Flood risk level
- High
Climate (30-year normals)
- Average annual temperature
- 51.0°F
- Average high
- 59.0°F
- Average low
- 42.0°F
- Annual precipitation
- 39.8 in
- Annual snowfall
- 40.5 in
Air quality
- Air quality rating
- Good
- Median AQI (annual)
- 46
- Days with Good air quality
- 131
- Days with Unhealthy air quality
- 2
Walkability & transit
- Walkability index
- 10.3 / 20
- Transit service frequency
- -49,868
Amenities
- Nearest airport
- Southern Wisconsin Regional Airport (JVL) (5 mi)
- Nearest major airport
- Dane County Regional Truax Field (MSN) (32 mi)
- Hospitals nearby (~15 mi)
- 3
- Avg hospital rating
- 4.0 / 5
- Solar radiation rating
- Fair (3.8 kWh/m²/day)
Migration
- Net migration
- +153 tax filers
Housing stock
- Median year housing built
- 1,973
- Median annual property tax
- $3,805
- Mean commute to work
- 20 min
- Households with broadband internet
- 76.3%
Employment & development
- Total county employment
- 60,741
- Average weekly wage
- $1,106
- Top industries (by employment)
- Health Care, Accommodation & Food, Wholesale Trade
- Annual residential building permits (county)
- 257
Area data compiled from public government, academic, and industry research feeds. Data sources →
ZIP codes in Janesville
Data last updated
Most recent source refresh: Aug 2026. See all data sources →