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PA area data

Erwinna, PA

Erwinna, PA.

Population: 393 (Census ACS)

The median home value in Erwinna, PA is $744,351 — up 7.7% over the past year. Homes sell for a median $513,000 after a median 5 days on market. FEMA's National Risk Index rates the county's overall natural-hazard risk Relatively High, with icestorm, winterweather, coldwave the top-rated hazards. Cost of living is 2.4% below the US average (BEA, metro/state-level).

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

$744,351

Median home value

+7.7%

1-year change

5

Median days on market

Relatively High

Hazard risk (county)

Home values & appreciation

Median home value
$744,351
1-year appreciation
+7.7%
3-year appreciation
+16.3%
5-year appreciation
+28.2%
10-year appreciation
+77.3%
All-time peak (2026-08)
$744,351
House Price Index (state)
384.9 (+3.9% YoY)

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

Market activity

Median sale price
$513,000
Median list price
$699,000
Median price per sqft
$238
1-year sale-price change
+71.0%
Median days on market
5 days
Homes sold (recent period)
1
For-sale inventory
5
Sale-to-list ratio
102.6%
Active listings
4
1-year forecast
+2.5%

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

Rents

Studio fair-market rent
$1,438/mo
1BR fair-market rent
$1,558/mo
2BR fair-market rent
$1,860/mo
3BR fair-market rent
$2,216/mo
4BR fair-market rent
$2,445/mo

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

Affordability

Cost of living index (Average)
97.6 (100 = US avg)
Electricity rate (state-level)
19.3¢/kWh
Natural gas rate (state-level)
$15.00/MCF
30-year mortgage rate (national)
7.40%
15-year mortgage rate (national)
6.73%

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

Natural hazards & flood risk

Overall hazard risk (county)
Relatively High
Top hazards (county)
iceStorm, winterWeather, coldWave, inlandFlooding, lightning
Notable hazard ratings (county)
hail: Relatively Low · drought: Relatively Moderate · tornado: Relatively High · coldWave: Relatively High · heatWave: Relatively Moderate · iceStorm: Very High
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
50.1%
Radon potential (county)
High radon potential — EPA Zone 1 of 3
EPA Superfund (NPL) sites within 5 mi
4
Nearest Superfund site
De Rewal Chemical Co. (1.7 mi)
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)

Annual precipitation
50.5 in
USDA plant hardiness zone
7a (extreme annual low 0 to 5°F)

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

Air quality

Air quality rating
Good
Median AQI (annual)
36
Days with Good air quality
312
Days with Moderate air quality
46
Highest AQI recorded (year)
136

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

Walkability & transit

Walkability index
4.5 / 20
Transit service frequency
-99,999
Jobs reachable by car (30 min)
19,305
Jobs reachable by transit (45 min)
22,289

Source: EPA Smart Location Database (metropolitan block groups)

Amenities

National parks within ~60 mi
24
Nearest national park
Lower Delaware National Wild and Scenic River (9 mi)
National parks include
Lower Delaware National Wild and Scenic River, Washington-Rochambeau Revolutionary Route National Historic Trail, Valley Forge National Historical Park
Airports within 30 mi
70
Nearest airport
Erwinna Private Airport (1 mi)
Nearest major airport
Trenton Mercer Airport (TTN) (21 mi)
Hospitals nearby (~15 mi)
81
Hospitals include
HUNTERDON MEDICAL CENTER, UNIVERSITY MEDICAL CENTER OF PRINCETON AT PLAINSBORO, COOPER UNIVERSITY HOSPITAL
Avg hospital rating (CMS)
3.5 / 5
Best hospital rating nearby (CMS)
5.0 / 5
Solar radiation rating
Fair (4.0 kWh/m²/day)

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

Migration

Net migration (county)
-967 tax filers

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

Housing stock

Median year housing built
1,973
Housing built before 1970
47.4%
Housing built 2000 or later
23.7%
Median annual property tax
$8,281
Households with broadband internet
100.0%

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

Employment & development

Total county employment
252,942
Average weekly wage
$1,264
Top industries (by employment)
Health Care, Accommodation & Food, Construction
Annual residential building permits (county)
780

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

How it compares

ErwinnaState medianUS median
Median home value$744,351$237,223$288,527
Median sale price$513,000$254,900$325,000
Median days on market5 days43 days51 days
Median annual property tax$8,281$2,326$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 Erwinna, PA?
$744,351.
What is the median sale price in Erwinna, PA?
$513,000.
How long do homes take to sell in Erwinna, PA?
Median days on market: 5 days.
What is typical rent in Erwinna, PA?
2-bedroom fair-market rent: $1,860/month (HUD FMR — a 40th-percentile regulatory reference, not market-observed).
What is the natural-hazard risk in Erwinna, PA?
Overall risk: Relatively High (FEMA NRI, county-level). Top hazards: iceStorm, winterWeather, coldWave, inlandFlooding, lightning.
Is Erwinna, PA in a flood zone?
High (FEMA NFIP). FEMA flood zone AE.
What is the wildfire risk in Erwinna, PA?
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 Erwinna, PA?
High radon potential — EPA Zone 1 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near Erwinna, PA?
4 current or proposed National Priorities List sites within 5 miles (EPA). Nearest site: De Rewal Chemical Co., 1.7 mi.
Is Erwinna, PA walkable?
Walkability index: 4.5/20 (EPA Smart Location Database).
What is the air quality in Erwinna, PA?
Good. Median AQI: 36. (EPA AQI).
What is the cost of living in Erwinna, PA?
Regional Price Parity: 97.6 (100 = US average) (Average) (BEA RPP, metro/state-level).

ZIP code for Erwinna

Listing a home in Erwinna, PA?

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Data last updated

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

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