ZIP 18031 vs ZIP 18051

Source:

Breinigsville, PA — Fogelsville, PA

This side-by-side compares ZIP 18031 (Breinigsville, PA) and ZIP 18051 (Fogelsville, PA) using the same Census ACS 5-Year table fields for both — no averages swapped in, no national proxies. ZIP 18031 has a population of 7,528 at 213 people per square mile, while ZIP 18051 has 3,327 at 154 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 18031 reports a median household income of $113,625 against $139,506 in ZIP 18051, with per-capita income of $57,645 vs $64,521. The share of adults holding a bachelor's degree or higher is 53.5% in 18031 and 50.3% in 18051. Poverty rate reads 3.7% vs 0.1%, and unemployment 2.8% vs 1.7% — 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 $373,400 in 18031 versus $459,600 in 18051, with median rent of $1,949 and $1,470 per month respectively. Homeownership rate is 76.3% vs 80.6%. 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
18031
Breinigsville, PA
18051
Fogelsville, PA
Population 7,528 3,327
Median Household Income $113,625 $139,506
Per Capita Income $57,645 $64,521
Median Age 39.4 46.8
Bachelor's Degree or Higher 53.5% 50.3%
Poverty Rate 3.7% 0.1%
Unemployment Rate 2.8% 1.7%
Median Home Value $373,400 $459,600
Median Rent (monthly) $1,949 $1,470
Homeownership Rate 76.3% 80.6%
Population Density (per sq mi) 213 154

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

Full Profile
18031
Breinigsville, PA
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Full Profile
18051
Fogelsville, PA
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What are common questions about this comparison?

How do ZIP codes 18031 and 18051 compare?
ZIP 18031 (Breinigsville, PA) has a population of 7,528 and a median household income of $113,625. ZIP 18051 (Fogelsville, PA) has a population of 3,327 and a median household income of $139,506.
Which ZIP code has higher income, 18031 or 18051?
ZIP 18051 (Fogelsville, PA) has a higher median household income of $139,506 compared to $113,625 for ZIP 18031.
How do I compare two ZIP codes on PlainZIP?
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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.