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A market with no active rental pool to price against. The sale-side figures below are the whole picture.
What would change this read: the median listing price is −0.3% YoY. inventory, −14.7% YoY, is the number to watch.
The median listing price is down 0.3% YoY while the median home got up 3.8% bigger, so value per square foot is up 0.3%.
U.S. Census ACS characteristics for ZIP 18103 itself, not its parent county.
Renters hold 36.9% of this ZIP's 18,880 occupied households, on a median household income of $73K.
| Measure | ZIP 18103 | Lehigh County | Difference |
|---|---|---|---|
| Median Household Income | $73K | $80K | -$7K |
| Below Poverty Level | 10.3% | 11.6% | -1.3% |
| Median Age | 39.10 | 39.60 | -0.50 |
| Total Population | 48,746 | 378,792 | -- |
| Avg Household Size | 2.54 | 2.56 | -0.02 |
| Owner-Occupied | 63.1% | 65.6% | -2.5% |
| Worked From Home | 8.8% | 14.0% | -5.2% |
| Mean Commute | 24.50 | 24.90 | -0.40 |
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.