SIALIMStatistical Intelligence for America's Local Investment Markets

18109 — Allentown, PA Home Values

Typical home value $271,628 as of August 2026 · 55th of 66 in Allentown-Bethlehem-Easton, PA-NJ

Typical value — August 2026
$271,628
observed, not a forecast
Past 12 months
+4.3%
trailing year-over-year change
Past 5 years
+45.6%
August 2021 to August 2026
Rank in metro
55th
of 66 ZIP codes, by value

Blue: typical home value (Zillow ZHVI) in ZIP code 18109, August 2021 to August 2026. This page shows observed data only; no forecast.

How 18109 compares in the Allentown-Bethlehem-Easton, PA-NJ area

ZIP code 18109 (Allentown, PA) has a typical home value of $271,628 as of August 2026, ranking 55th of 66 ZIP codes tracked in the Allentown-Bethlehem-Easton, PA-NJ area, more expensive than about 18% of ZIP codes in the metro. Prices here have moved +4.3% over the trailing 12 months. Over the past five years, the typical value in this ZIP code has changed +45.6%, from $186,547 in August 2021 to $271,628 in August 2026. Against observed rent, the typical home here sells for 14.1× the annual rent ($1,609/mo), a common way to gauge whether buying looks cheap relative to renting in this ZIP code.

Every figure above is observed Zillow data. Sialim's forecasting engine works at the metro level; see the Allentown-Bethlehem-Easton, PA-NJ forecast for a modeled outlook, or browse the full ranked list of ZIP codes in Allentown.

Population and demographics

ZIP code 18109 has a population of 18,117, per the Census Bureau's American Community Survey 5-year estimate. By race and ethnicity: 52.3% Hispanic or Latino, 33.9% White, 10.4% Black or African American, 1.7% Asian, and 1.6% two or more races.

Nearby public schools

SchoolAddressDistance
Louis E Dieruff HS815 N Irving St, Allentown, PA1 mi
Lincoln Leadership Academy CS1414 E. Cedar St., Allentown, PA1 mi
Executive Education Academy CS555 Union Boulevard, Allentown, PA1.1 mi

Distance is straight-line from the ZIP code's center; driving distance will be longer. School attendance is set by district boundaries, not proximity. Confirm which school a specific address is zoned for with the local school district. Source: National Center for Education Statistics.

Frequently asked questions

What is the typical home value in ZIP code 18109?

$271,628 as of August 2026, the latest month Zillow has published observed data for.

Is 18109 an expensive ZIP code in the Allentown-Bethlehem-Easton, PA-NJ area?

18109 ranks 55th of 66 ZIP codes in the Allentown-Bethlehem-Easton, PA-NJ area by typical home value, more expensive than about 18% of ZIP codes in the metro.

How much have home values in 18109 changed over the past year?

+4.3% over the trailing 12 months, from observed Zillow data.

Is it cheaper to buy or rent in ZIP code 18109?

The typical home price is 14.1× the observed annual rent in this ZIP code ($1,609/mo). Lower multiples favor buying over renting, all else equal.

What is the population of ZIP code 18109?

18,117, per the US Census Bureau's American Community Survey 5-year estimate.

What are the closest public schools to ZIP code 18109?

Louis E Dieruff HS (1 mi), Lincoln Leadership Academy CS (1 mi), Executive Education Academy CS (1.1 mi), by straight-line distance from the ZIP code's center. School attendance is set by district boundaries, not proximity. Confirm assignment with the local school district.

Is this page showing a forecast for 18109?

No. Every number on this page is observed Zillow data as of August 2026, not a forecast. Sialim's forecasting engine runs at the metro level; see the Allentown-Bethlehem-Easton, PA-NJ forecast for a modeled outlook.

ZIP-level values shown here are observed Zillow data, not forecasts. Sialim's forecasting engine works at the metro level today; ZIP-level forecasts are planned for Sialim Pro. Data © Zillow, via Zillow Research.