ZIP 18109 vs ZIP 18032

Source:

Allentown, PA — Catasauqua, PA

This side-by-side compares ZIP 18109 (Allentown, PA) and ZIP 18032 (Catasauqua, PA) using the same Census ACS 5-Year table fields for both — no averages swapped in, no national proxies. ZIP 18109 has a population of 16,932 at 798 people per square mile, while ZIP 18032 has 9,285 at 1,784 per square mile. That difference in population size and density alone reshapes how every other metric should be interpreted — a higher-income ZIP with 1,200 residents behaves very differently from one with 45,000.

On income and education, ZIP 18109 reports a median household income of $58,031 against $81,098 in ZIP 18032, with per-capita income of $28,396 vs $40,270. The share of adults holding a bachelor's degree or higher is 16.0% in 18109 and 28.7% in 18032. Poverty rate reads 18.1% vs 7.6%, and unemployment 8.2% vs 6.3% — these four fields alone drive most of the difference in the scorecard grades you will see for each ZIP.

Housing separates these two ZIPs further: median home value sits at $198,800 in 18109 versus $222,700 in 18032, with median rent of $1,331 and $977 per month respectively. Homeownership rate is 52.1% vs 74.9%. When reading the comparison table below, focus on paired metrics rather than single winners — a ZIP with lower home values and lower income is not strictly "worse" if rent-to-income ratios and commute times land in the same zone. Every value is pulled from the exact same ACS table so the two columns are genuinely comparable.

Compare different ZIP codes:

vs
Metric
18109
Allentown, PA
18032
Catasauqua, PA
Population 16,932 9,285
Median Household Income $58,031 $81,098
Per Capita Income $28,396 $40,270
Median Age 36.6 41
Bachelor's Degree or Higher 16.0% 28.7%
Poverty Rate 18.1% 7.6%
Unemployment Rate 8.2% 6.3%
Median Home Value $198,800 $222,700
Median Rent (monthly) $1,331 $977
Homeownership Rate 52.1% 74.9%
Population Density (per sq mi) 798 1,784

Values highlighted in green indicate the better metric where applicable. Source: U.S. Census Bureau ACS 2023.

Full Profile
18109
Allentown, PA
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Full Profile
18032
Catasauqua, PA
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What are common questions about this comparison?

How do ZIP codes 18109 and 18032 compare?
ZIP 18109 (Allentown, PA) has a population of 16,932 and a median household income of $58,031. ZIP 18032 (Catasauqua, PA) has a population of 9,285 and a median household income of $81,098.
Which ZIP code has higher income, 18109 or 18032?
ZIP 18032 (Catasauqua, PA) has a higher median household income of $81,098 compared to $58,031 for ZIP 18109.
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All data sourced from the U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023).

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.

Data sourced from official U.S. Census ACS and HUD-USPS ZIP crosswalk data. See our methodology for details. Retrieved and formatted by PlainZIP Editorial.