ZIP Code 18102 Housing Market

ZIP code 18102 is located in Lehigh County, Pennsylvania. Based on the FHFA House Price Index, the most recent annual HPI value is 411.9 (2000 = 100) , with a year-over-year change of +7.68% as of 2025.

FHFA HPI 411.9
YoY Change +7.68%
Data Years 47
Latest Year 2025

📈 18102 HPI Trend

FHFA House Price Index for Five-Digit ZIP Codes (2000 = 100)

📝 Local Market Notes

ZIP code 18102 exhibits a robust upward price trajectory, with the FHFA House Price Index rising from 254.07 in 2021 to 411.89 in 2025. This represents a cumulative increase of approximately 62% over four years, indicating sustained demand and significant equity appreciation for homeowners in the area. The recent year-over-year growth of 7.68% continues this momentum, outpacing the broader Lehigh County average of 6.13% and the Pennsylvania state average of 3.89%. This divergence suggests that 18102 is experiencing localized strength, potentially driven by specific community amenities or inventory constraints that distinguish it from neighboring areas such as ZIP 18053, which saw a 2.44% decline. The sub-market character of 18102 aligns with the parent county’s profile, where the median home value stands at $300,400 and median household income is $80,079. With an owner-occupancy rate of 65.6%, the area functions as a mixed market with a solid base of long-term residents rather than being exclusively renter-heavy or ultra-luxury. The HPI level of 411.9, indexed to 100 in 2000, reflects a market that has appreciated well above national averages, yet remains accessible relative to high-cost coastal metros. The median gross rent of $1,383 per month further contextualizes the local cost of living, suggesting that rental options remain a viable alternative for those not yet ready to purchase. For prospective buyers and residents, the data indicates a competitive environment where prices are rising faster than the surrounding region. The 7.40% national mortgage rate adds financial pressure, making the timing of entry critical. Residents should note that while appreciation has been strong, the divergence from county trends implies that 18102 may be a preferred location for specific demographic segments. Understanding this localized strength is essential for negotiating offers and assessing long-term investment potential within the Lehigh County housing landscape.

Based on FHFA House Price Index data.

About This ZIP Code

ZIP code 18102 is one of the most active real estate sub-markets in Lehigh County, Pennsylvania. The FHFA House Price Index tracks cumulative price appreciation since 2000, providing a consistent measure of long-term value change in this specific ZIP area.

For full county-level context, see the Lehigh County Housing Market page, which includes ACS median home values, rent, owner-occupancy, employment, migration, and other economic indicators.

Other Active ZIPs in Lehigh County

ZIP Code HPI YoY Latest Year
18053 274.2 -2.44% 2025
18080 286.1 +15.46% 2025
18106 276.7 +4.42% 2025
18109 332.1 +7.27% 2025
18034 237.2 -2.59% 2025
18104 284.1 +6.47% 2025
18015 295.2 +5.25% 2025
18052 285.5 +6.90% 2025
18032 283.5 +1.55% 2025

Data Source: FHFA House Price Index for Five-Digit ZIP Codes (All-Transactions Index, 2000 = 100). Data as of 2025. This product uses FHFA Data but is neither endorsed nor certified by FHFA.