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Area data

Allentown, PA — ZIP 18104

Population: 48,683 (Census ACS)

The median home value in ZIP 18104 (Allentown, PA) is $405,531 — up 3.6% over the past year. Homes sell for a median $345,000 after a median 4 days on market. Typical rent runs $2,282/month. 9 schools serve the area (NCES). FEMA's National Risk Index rates the county's overall natural-hazard risk Relatively Moderate, with coldwave, winterweather, inlandflooding the top-rated hazards. Cost of living is 2.5% below the US average (BEA, metro/state-level).

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

$405,531

Median home value

+3.6%

1-year change

4

Median days on market

Relatively Moderate

Hazard risk (county)

Home values & appreciation

Median home value
$405,531
1-year appreciation
+3.6%
3-year appreciation
+13.8%
5-year appreciation
+32.9%
10-year appreciation
+88.9%
All-time peak (2026-07)
$405,531
House Price Index (state)
370.8 (+4.0% YoY)

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

Market activity

Median sale price
$345,000
Median list price
$285,000
Median price per sqft
$176
Median days on market
4 days
Homes sold (recent period)
3
For-sale inventory
94
Sale-to-list ratio
108.1%
1-year forecast
+2.7%
Days to pending
12 days
New listings (monthly)
59

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

Rents

Typical rent
$2,282/mo
1-year rent change
+3.4%
Studio fair-market rent
$867/mo
1BR fair-market rent
$1,083/mo
2BR fair-market rent
$1,339/mo
3BR fair-market rent
$1,740/mo
4BR fair-market rent
$2,008/mo

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

Affordability

Cost of living index (Average)
97.5 (100 = US avg)
Electricity rate (state-level)
19.3¢/kWh
Natural gas rate (state-level)
$15.00/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
9
Elementary schools
5
Middle schools
2
High schools
2
School districts serving the area
Allentown City SD, Parkland SD
Schools include
Muhlenberg El Sch, Union Terrace El Sch, Francis D Raub MS, William Allen HS, Springhouse MS

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

Natural hazards & flood risk

Overall hazard risk (county)
Relatively Moderate
Top hazards (county)
coldWave, winterWeather, inlandFlooding, lightning, strongWind
Notable hazard ratings (county)
coldWave: Very High · drought: Relatively Moderate · earthquake: Relatively Low · hail: Relatively Low · heatWave: Relatively Moderate · hurricane: Relatively Moderate
Wildfire risk to homes (county)
Higher than 24% of US counties
Buildings in wildfire direct-exposure zone
32.6%
Radon potential (county)
High radon potential — EPA Zone 1 of 3
EPA Superfund (NPL) sites within 5 mi
2
Nearest Superfund site
Novak Sanitary Landfill (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)

Average annual temperature
55.0°F
Average high
64.0°F
Average low
45.0°F
Annual precipitation
45.4 in
Annual snowfall
9.0 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)
43
Days with Good air quality
230
Days with Moderate air quality
126
Days with Unhealthy air quality
4
Highest AQI recorded (year)
337

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

Walkability & transit

Walkability index
9.5 / 20
Transit service frequency
665
Jobs reachable by car (30 min)
60,166
Jobs reachable by transit (45 min)
56,483

Source: EPA Smart Location Database (metropolitan block groups)

Amenities

National parks within ~60 mi
13
Nearest national park
Hopewell Furnace National Historic Site (30 mi)
National parks include
Hopewell Furnace National Historic Site, Lower Delaware National Wild and Scenic River, Valley Forge National Historical Park
Airports within 30 mi
71
Nearest airport
Allentown Queen City Municipal Airport (4 mi)
Nearest major airport
Lehigh Valley International Airport (ABE) (6 mi)
Hospitals nearby (~15 mi)
7
Hospitals include
ST LUKE'S HOSPITAL - UPPER BUCKS CAMPUS, ST LUKES HOSPITAL BETHLEHEM, ST LUKE'S HOSPITAL - GRAND VIEW CAMPUS
Avg hospital rating (CMS)
4.3 / 5
Best hospital rating nearby (CMS)
5.0 / 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)
-342 tax filers

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

Housing stock

Median year housing built
1,972
Housing built before 1970
47.7%
Housing built 2000 or later
19.3%
Median annual property tax
$4,850
Mean commute to work
17 min
Households with broadband internet
79.9%

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

Employment & development

Total county employment
182,559
Average weekly wage
$1,314
Top industries (by employment)
Health Care, Accommodation & Food, Administrative Services
Annual residential building permits (county)
526

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

How it compares

ZIP 18104State medianUS median
Median home value$405,531$237,154$289,727
Median sale price$345,000$254,900$325,000
Median days on market4 days43 days51 days
Typical rent$2,282/mo$1,544/mo$1,808/mo
Median annual property tax$4,850$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 ZIP 18104?
$405,531.
What is the median sale price in ZIP 18104?
$345,000.
How long do homes take to sell in ZIP 18104?
Median days on market: 4 days.
What is typical rent in ZIP 18104?
Typical rent: $2,282/month.
What is the natural-hazard risk in ZIP 18104?
Overall risk: Relatively Moderate (FEMA NRI, county-level). Top hazards: coldWave, winterWeather, inlandFlooding, lightning, strongWind.
What is the wildfire risk in ZIP 18104?
Risk to homes is higher than 24% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
What is the radon potential in ZIP 18104?
High radon potential — EPA Zone 1 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near ZIP 18104?
2 current or proposed National Priorities List sites within 5 miles (EPA). Nearest site: Novak Sanitary Landfill, 1.7 mi.
How many schools serve ZIP 18104?
9 schools (5 elementary, 2 middle, 2 high) (NCES, 2022-23).
Is ZIP 18104 walkable?
Walkability index: 9.5/20 (EPA Smart Location Database).
What is the air quality in ZIP 18104?
Good. Median AQI: 43. (EPA AQI).
What is the cost of living in ZIP 18104?
Regional Price Parity: 97.5 (100 = US average) (Average) (BEA RPP, metro/state-level).

Nearby ZIP codes

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Data last updated

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

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