LatestCoverageAll 50 states, D.C. and five territories now on the ledger|NewPuerto Rico's 78 municipios ledgered, municipio by municipio|FeatureAssessment appeal workspace — build a filing package from your own evidence|FeatureLiving reports — versioned, re-runnable, exportable|DevelopersMetered REST gateway · issued keys · signed webhooks|Live market readings · refreshed on loadAlbuquerque · NMMedian List$360K+2.5%|Austin · TXMedian List$550K-1.0%|Baltimore · MDMedian List$225K-6.3%|Bernalillo County · NMMedian List$364K+2.7%|Bexar County · TXMedian List$303K+3.7%|Boston · MAMedian List$859K+3.4%|Charlotte · NCMedian List$430K-0.1%|Chicago · ILMedian List$426K+9.3%|Clark County · NVMedian List$447K+0.1%|Columbus · OHMedian List$300K+0.6%|Cook County · ILMedian List$348K+5.1%|Dallas · TXMedian List$449K-0.1%|Davidson County · TNMedian List$465K-1.1%|Denver · COMedian List$569K+1.6%|Detroit · MIMedian List$105K-2.8%|Duval County · FLMedian List$297K-2.3%|El Paso · TXMedian List$260K+3.7%|Fort Worth · TXMedian List$332K-2.1%|Franklin County · OHMedian List$320K+3.2%|Fresno · CAMedian List$375K+2.1%|Harris County · TXMedian List$327K+0.6%|Houston · TXMedian List$340K+0.6%|Indianapolis · INMedian List$260K+2.3%|Jackson County · MOMedian List$275K+7.0%|Jacksonville · FLMedian List$309K-2.1%|Jefferson County · KYMedian List$248K-4.3%|Kansas City · MOMedian List$240K+4.3%|King County · WAMedian List$850K-4.0%|Las Vegas · NVMedian List$440K-1.1%|Los Angeles · CAMedian List$950K-0.5%|Louisville · KYMedian List$275K0.0%|Maricopa County · AZMedian List$458K-0.4%|Marion County · INMedian List$259K+3.7%|Mecklenburg County · NCMedian List$407K-5.3%|Memphis · TNMedian List$202K+2.5%|Mesa · AZMedian List$450K-3.1%|Milwaukee · WIMedian List$243K+5.7%|Multnomah County · ORMedian List$518K-1.2%|Nashville · TNMedian List$480K+1.0%|New York · NYMedian List$899K+0.5%|Oklahoma City · OKMedian List$275K-0.6%|Oklahoma County · OKMedian List$259K-0.7%|Philadelphia · PAMedian List$249K+0.3%|Phoenix · AZMedian List$480K0.0%|Pima County · AZMedian List$373K+0.9%|Portland · ORMedian List$640K-6.0%|Sacramento · CAMedian List$510K+4.0%|San Antonio · TXMedian List$236K-1.2%|San Diego · CAMedian List$994K+4.2%|San Francisco · CAMedian List$1.4M+1.7%|San Jose · CAMedian List$1.3M-11.9%|Santa Clara County · CAMedian List$1.3M+0.1%|Seattle · WAMedian List$874K-2.8%|Shelby County · TNMedian List$259K-2.4%|Suffolk County · MAMedian List$857K+7.3%|Tarrant County · TXMedian List$385K-1.2%|Travis County · TXMedian List$497K-5.3%|Tucson · AZMedian List$324K-0.9%|Wayne County · MIMedian List$160K0.0%|LatestCoverageAll 50 states, D.C. and five territories now on the ledger|NewPuerto Rico's 78 municipios ledgered, municipio by municipio|FeatureAssessment appeal workspace — build a filing package from your own evidence|FeatureLiving reports — versioned, re-runnable, exportable|DevelopersMetered REST gateway · issued keys · signed webhooks|Live market readings · refreshed on loadAlbuquerque · NMMedian List$360K+2.5%|Austin · TXMedian List$550K-1.0%|Baltimore · MDMedian List$225K-6.3%|Bernalillo County · NMMedian List$364K+2.7%|Bexar County · TXMedian List$303K+3.7%|Boston · MAMedian List$859K+3.4%|Charlotte · NCMedian List$430K-0.1%|Chicago · ILMedian List$426K+9.3%|Clark County · NVMedian List$447K+0.1%|Columbus · OHMedian List$300K+0.6%|Cook County · ILMedian List$348K+5.1%|Dallas · TXMedian List$449K-0.1%|Davidson County · TNMedian List$465K-1.1%|Denver · COMedian List$569K+1.6%|Detroit · MIMedian List$105K-2.8%|Duval County · FLMedian List$297K-2.3%|El Paso · TXMedian List$260K+3.7%|Fort Worth · TXMedian List$332K-2.1%|Franklin County · OHMedian List$320K+3.2%|Fresno · CAMedian List$375K+2.1%|Harris County · TXMedian List$327K+0.6%|Houston · TXMedian List$340K+0.6%|Indianapolis · INMedian List$260K+2.3%|Jackson County · MOMedian List$275K+7.0%|Jacksonville · FLMedian List$309K-2.1%|Jefferson County · KYMedian List$248K-4.3%|Kansas City · MOMedian List$240K+4.3%|King County · WAMedian List$850K-4.0%|Las Vegas · NVMedian List$440K-1.1%|Los Angeles · CAMedian List$950K-0.5%|Louisville · KYMedian List$275K0.0%|Maricopa County · AZMedian List$458K-0.4%|Marion County · INMedian List$259K+3.7%|Mecklenburg County · NCMedian List$407K-5.3%|Memphis · TNMedian List$202K+2.5%|Mesa · AZMedian List$450K-3.1%|Milwaukee · WIMedian List$243K+5.7%|Multnomah County · ORMedian List$518K-1.2%|Nashville · TNMedian List$480K+1.0%|New York · NYMedian List$899K+0.5%|Oklahoma City · OKMedian List$275K-0.6%|Oklahoma County · OKMedian List$259K-0.7%|Philadelphia · PAMedian List$249K+0.3%|Phoenix · AZMedian List$480K0.0%|Pima County · AZMedian List$373K+0.9%|Portland · ORMedian List$640K-6.0%|Sacramento · CAMedian List$510K+4.0%|San Antonio · TXMedian List$236K-1.2%|San Diego · CAMedian List$994K+4.2%|San Francisco · CAMedian List$1.4M+1.7%|San Jose · CAMedian List$1.3M-11.9%|Santa Clara County · CAMedian List$1.3M+0.1%|Seattle · WAMedian List$874K-2.8%|Shelby County · TNMedian List$259K-2.4%|Suffolk County · MAMedian List$857K+7.3%|Tarrant County · TXMedian List$385K-1.2%|Travis County · TXMedian List$497K-5.3%|Tucson · AZMedian List$324K-0.9%|Wayne County · MIMedian List$160K0.0%|
Property-class scope

The story of this market

The typical home in ZIP 18104 sells for about $405,770, or $176 per square foot.

Prices are up +6.7% from a year ago, so sellers still have some momentum. Homes take about 27 days to sell, which is fast. HUD's fair market rent for a two-bedroom is $1,637 a month.

ZIP market report · consumer edition · quarterly refresh
Track this ZIP

ZIP 18104 — Allentown

Lehigh County →Allentown marketrefreshed Sep 18, 2026next refresh Oct 18, 2026
Market mood · cautiously optimistic

The 18104 housing market is experiencing steady demand with rising home values and a competitive environment. Driven by its suburban appeal and proximity to Lehigh Valley employment centers, the area continues to attract interest from buyers and renters alike.

Who this ZIP fits

This ZIP is well-suited for family buyers and professionals seeking a suburban environment with access to regional employment, offering a balance of residential space and local amenities.

Parent geography
Aerial view · ZIP boundaries2020 Census ZCTA boundary over current aerial imagery
Leaflet Imagery © Esri, Maxar, Earthstar Geographics
Land area · 59.4 km²Water area · 0.5 km²U.S. Census Bureau TIGERweb — 2020 Census ZCTA5 boundary
Median sale price
$405,770
+6.7% year over year
Corroboration pending — anchor baseline forms on the first refresh cycles
Days on market
27 days
Active listings
650
ZIP Market ScoreZIP-SCORE-1.3 · 4/4 sections graded
76
Composite · average of graded sections
Computed only from this report's published readings — sections without data are excluded, never estimated.
84
Growth/100

Median prices moved up 6.7% year over year.

88
Liquidity/100

Homes spend a median of 27 days on market with 0.0 months of supply — a fast-moving market.

50
Momentum/100

0% of listings have cut prices · homes sell at 0% of asking — demand is holding steady.

81
Safety & stability/100

no recorded foreclosure-ledger notices (0.0 per 10,000 residents) · unemployment 5.9% · poverty 8.3% — a stable, low-distress profile.

Census trends · population flowsACS 2020-2024 estimates
Population change
0.0%

versus the prior ACS vintage

Net migration
0 people

in-migration and out-migration balanced

Population base
48,683

ZCTA 18104, Lehigh County PA

Immigration & foreign-bornU.S. Census Bureau ACS · ZIP granular
Foreign-born share
14.9%
Foreign-born residents
7,260
Naturalized (of foreign-born)
63.9%
Non-citizens (of population)
5.4%
Entered 2010 or later (of foreign-born)
37.5%
World region of birth (foreign-born)
Americas
40.3%
Asia
39.5%
Europe
10.2%
Africa
9.9%

ACS 2024 5-year estimates. Aggregate published statistics for this ZIP — never individual records, and never an attribute of any individual property or resident.

Area context
Growth & development

The area shows steady economic momentum with a mix of residential and commercial development, supported by its proximity to major regional employment hubs in the Lehigh Valley.

Transportation & commute

Residents benefit from access to major regional highway corridors, facilitating commutes to employment centers throughout the Lehigh Valley.

Recreation & amenities

The area features access to local parks, golf courses, and shopping districts, providing a suburban amenity base for residents.

Rental market

The rental market is characterized by steady demand and pricing, with a median rent of $2,237 reflecting the area's desirability.

Economy & employers

The local economy is anchored by the broader Lehigh Valley industrial and service sectors, with significant employment opportunities in nearby Allentown and surrounding townships.

Transportation & infrastructure

The area is served by regional highway networks, supporting a car-dependent commute profile typical of the Lehigh Valley.

Development pipeline

Development activity is focused on residential and mixed-use projects that align with the growing population density of the Lehigh Valley.

Discovery profileACS 2020-2024 estimates
Census profile · ZCTA 18104, Lehigh County PA
Population
48,683
Median age
40.6 yrs
Owner-occupancy
0%
Median home value
$296,800
Median gross rent
$0
Median household income
$94,279
Median year built
1972
Vacancy rate
0%
Renter share
0%
Owner cost burden
0%
Renter cost burden
0%
Population change
0%
Net migration
0
Work-from-home share
0%
Mean commute
0 min
Bachelor's or higher
0%
Unemployment
5.9%
Poverty rate
8.3%
Avg household size
0

Data sourced from US Census Bureau and ZCTA-level aggregations.

Major amenities · ZIP 18104
Theme, amusement & water parks
16 · 20 mi
Entertainment venues, stadiums & amphitheaters
15 · 20 mi
Family fun & things to do
19 · 13 mi
Museums, galleries & history
18 · 20 mi
Parks, trails & nature
20+ · 13 mi
Lakes, marinas & beaches
1 · 20 mi
Shopping & dining districts
11 · 13 mi
Airports
1 · 31 mi

Theme parks, venues, golf, airports, museums, water and shopping across the area from Google Maps, ranked by popularity within the radius shown.

Amenities & attractions1 retained amenity
Inside this ZIP
Local Golf Courses
Recreation

Provides recreational opportunities for residents.

Sources · 6 cited

Key-figure check: no independent anchor retained yet — first-researched cycles establish the anchor baseline this pass.