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Area data

Janesville, IA — ZIP 50647

Population: 1,978 (Census ACS)

The median home value in ZIP 50647 (Janesville, IA) is $319,593 — up 3.0% over the past year. Homes sell for a median $572,500 after a median 68.5 days on market. 2 schools serve the area (NCES). FEMA's National Risk Index rates the county's overall natural-hazard risk Very Low, with drought the top-rated hazards. Cost of living is 10.5% below the US average (BEA, metro/state-level).

Backed by 25+ public sourcesFEMA · U.S. Census · NOAA · Dept. of Education · EPA · and more

$319,593

Median home value

+3.0%

1-year change

68.5

Median days on market

Very Low

Hazard risk (county)

Home values & appreciation

Median home value
$319,593
1-year appreciation
+3.0%
3-year appreciation
+11.4%
5-year appreciation
+32.1%
10-year appreciation
+64.3%
All-time peak (2026-07)
$319,593
House Price Index (state)
379.0 (+3.7% YoY)

Sources: home value index (ZIP-level) · FHFA House Price Index (state-level)

Market activity

Median sale price
$572,500
Median list price
$353,750
Median price per sqft
$179
1-year sale-price change
+165.7%
Median days on market
68.5 days
Homes sold (recent period)
2
For-sale inventory
10
Sale-to-list ratio
98.4%
Active listings
11
1-year forecast
+1.8%

Source: recent area sales and market data (ZIP-level)

Rents

Studio fair-market rent
$696/mo
1BR fair-market rent
$870/mo
2BR fair-market rent
$1,088/mo
3BR fair-market rent
$1,415/mo
4BR fair-market rent
$1,633/mo

Sources: market rent index (ZIP-level) · HUD Fair Market Rents (metro/county-level, 40th-percentile regulatory reference)

Affordability

Cost of living index (Low)
89.5 (100 = US avg)
Electricity rate (state-level)
13.7¢/kWh
Natural gas rate (state-level)
$10.60/MCF
30-year mortgage rate (national)
6.66%
15-year mortgage rate (national)
6.00%

Sources: BEA Regional Price Parities (metro/state-level) · EIA energy rates (state-level) · Freddie Mac PMMS (national)

Schools

Total schools
2
Elementary schools
1
Middle schools
0
High schools
1
Schools include
Janesville Elementary School, Janesville Junior-Senior High School

Source: NCES school directory, 2022-23 (school-address-based)

Natural hazards & flood risk

Overall hazard risk (county)
Very Low
Top hazards (county)
drought
Notable hazard ratings (county)
coldWave: Relatively Low · drought: Relatively Moderate · hail: Relatively Low · strongWind: Relatively Low · tornado: Relatively Low · winterWeather: Relatively Low
FEMA flood zone
AE
Flood risk level
High
Wildfire risk to homes (county)
Higher than 17% of US counties
Buildings in wildfire direct-exposure zone
31.7%
Radon potential (county)
High radon potential — EPA Zone 1 of 3
EPA Superfund (NPL) sites within 5 mi
None
Nearest Superfund site
Waterloo Coal Gasification Plant (14 mi — proposed for listing)
EPA recommends radon testing for every home regardless of zone.

Sources: FEMA National Risk Index (county-level) · FEMA flood data (ZIP-level) · USDA Forest Service Wildfire Risk to Communities (county-level) · EPA radon zones + Superfund NPL

Climate (30-year normals)

Average annual temperature
49.0°F
Average high
59.0°F
Average low
39.0°F
Annual precipitation
38.6 in
Annual snowfall
41.9 in
USDA plant hardiness zone
5a (extreme annual low -20 to -15°F)

Sources: NOAA Climate Normals (30-year, nearest-station) · USDA Plant Hardiness Zone Map (2023)

Air quality

Air quality rating
Good
Median AQI (annual)
42
Days with Good air quality
180
Days with Moderate air quality
45
Days with Unhealthy air quality
1
Highest AQI recorded (year)
151

Source: EPA air quality data (nearest monitoring station, annual)

Walkability & transit

Walkability index
5.3 / 20
Transit service frequency
-99,999
Jobs reachable by car (30 min)
12,893
Jobs reachable by transit (45 min)
11,688

Source: EPA Smart Location Database (metropolitan block groups)

Amenities

Airports within 30 mi
15
Nearest airport
Bluebird Airport (2 mi)
Nearest major airport
Waterloo Regional Airport (ALO) (8 mi)
Hospitals nearby (~15 mi)
5
Hospitals include
SARTORI MEMORIAL HOSPITAL, INC, MERCYONE WATERLOO MEDICAL CENTER, ALLEN HOSPITAL
Avg hospital rating (CMS)
3.5 / 5
Best hospital rating nearby (CMS)
4.0 / 5
Solar radiation rating
Fair (3.9 kWh/m²/day)

Sources: National Park Service · FAA airport data · CMS hospital data · DOE/NREL (proximity-based)

Migration

Net migration (county)
+49 tax filers

Source: IRS county-to-county migration data (county-level, ~12-month lag)

Housing stock

Median year housing built
1,977
Housing built before 1970
33.3%
Housing built 2000 or later
22.2%
Median annual property tax
$3,272
Mean commute to work
19 min
Households with broadband internet
82.5%

Source: Census ACS 5-year estimates (ZIP-level)

Employment & development

Total county employment
7,817
Average weekly wage
$983
Top industries (by employment)
Finance & Insurance, Accommodation & Food, Construction
Annual residential building permits (county)
37

Sources: BLS QCEW (county-level) · Census Building Permits (county-level)

How it compares

ZIP 50647State medianUS median
Median home value$319,593$211,348$289,727
Median sale price$572,500$220,000$325,000
Median days on market69 days48 days51 days
Median annual property tax$3,272$1,927$2,006

State and US medians are computed across all US ZIP codes with sufficient public-data coverage, from the same sources as the figures above.

Area data compiled from public government, academic, and industry research feeds. Data sources →

Common questions

What is the median home value in ZIP 50647?
$319,593.
What is the median sale price in ZIP 50647?
$572,500.
How long do homes take to sell in ZIP 50647?
Median days on market: 68.5 days.
What is typical rent in ZIP 50647?
2-bedroom fair-market rent: $1,088/month (HUD FMR — a 40th-percentile regulatory reference, not market-observed).
What is the natural-hazard risk in ZIP 50647?
Overall risk: Very Low (FEMA NRI, county-level). Top hazards: drought.
Is ZIP 50647 in a flood zone?
High (FEMA NFIP). FEMA flood zone AE.
What is the wildfire risk in ZIP 50647?
Risk to homes is higher than 17% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
What is the radon potential in ZIP 50647?
High radon potential — EPA Zone 1 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near ZIP 50647?
No current or proposed National Priorities List sites within 5 miles (EPA).
How many schools serve ZIP 50647?
2 schools (1 elementary, 1 high) (NCES, 2022-23).
Is ZIP 50647 walkable?
Walkability index: 5.3/20 (EPA Smart Location Database).
What is the air quality in ZIP 50647?
Good. Median AQI: 42. (EPA AQI).
What is the cost of living in ZIP 50647?
Regional Price Parity: 89.5 (100 = US average) (Low) (BEA RPP, metro/state-level).

Nearby ZIP codes

Selling a home in Janesville, IA?

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Data last updated

Most recent source refresh: Sep 2026. See all data sources →

Data compiled by REAIGENT7 — AI listing platform for real estate agents