dynamic.RE
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A middling-yield market. Neither rent nor appreciation makes the case on its own.
What would change this read: a price correction (median already +6.0% YoY) or rent growth lifting rent-to-price toward 0.8%/mo would move this ZIP toward a cash-flow story. inventory, +14.1% YoY, is the number to watch.
The median listing price is up 6.0% YoY while the median home got up 3.5% bigger, so value per square foot is up 1.0%.
Min/max come from the active-listing pool; the median comes from Realtor's separate listing set — the two are not subsets of each other, so the median's position relative to the tiles above should not be read literally.
At the median, a $265K purchase rents for $1,800/mo: 0.68% of price per month against the 1% rule's 1.00%.
Rentals here take about 3 days longer to find a tenant than sales take to go under contract (median across 3 property types).
Not shown: Condo (rented here, not sold), Land (sold here, not rented), Manufactured (sold here, not rented), Multi-Family (sold here, not rented).
U.S. Census ACS characteristics for ZIP 18109 itself, not its parent county.
Renters hold 47.9% of this ZIP's 7,030 occupied households, on a median household income of $58K.
| Measure | ZIP 18109 | Lehigh County | Difference |
|---|---|---|---|
| Median Household Income | $58K | $80K | -$22K |
| Below Poverty Level | 18.1% | 11.6% | +6.5% |
| Median Age | 36.60 | 39.60 | -3.00 |
| Total Population | 18,446 | 378,792 | -- |
| Avg Household Size | 2.61 | 2.56 | +0.05 |
| Owner-Occupied | 52.1% | 65.6% | -13.5% |
| Worked From Home | 5.3% | 14.0% | -8.7% |
| Mean Commute | 23.30 | 24.90 | -1.60 |
Higher or lower is not itself good or bad — it describes the neighborhood, not the investment.
ZIP-level figures come from ZIP Code Tabulation Areas, which approximate but do not exactly match USPS ZIP codes. A missing value is suppressed or unavailable at this sample size, not zero. Estimates for 2019–2020 use the 2010 ZCTA boundaries and 2021–2024 the 2020 ones, so a step between those two years may be a boundary change rather than real movement.
County population is up 0.9% to 378,792: residents under 18 are down 0.1% and those 65 and over are up 2.9%.
County median household income is $80K, 11.6% of residents are below the poverty level, 14.0% work from home.