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, PA

ZIP Code 18921 — undefined, PA Demographics & Data

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

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Map, Quick Facts & Location

Quick Facts

Local time
Population
177
Median Income
$239,028
+218% vs US avg
Home Value
$385,200
+11% vs US avg
Median Rent
N/A
Median Age
58.4 yrs
+50% vs US avg
City
N/A
Area Code
Congress
Top Ancestry
GermanAmericanIrish
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Location
Coordinates
40.5908, -77.2098
Elevation
N/A
Land Area
N/A
Water Area
N/A

At a glance

Population
177
Density
N/A
Median income
$239,028
+218% vs US avg
Home value
$385,200
+11% vs US avg
Median rent
N/A
Timezone

Overview of ZIP Code 18921

AffluentHigh-income residential area
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What to know about ZIP 18921

ZIP code 18921 covers PA in Bucks County with a population of about 177.

At a glance, the area shows median age of 58.4 versus a U.S. median of about 38.9.

It sits in telephone area codes 484, 610, 835; U.S. House district PA-1; the PHILADELPHIA media market.

Local search focus: Affluent

PA ranks among higher-income / higher-home-value communities on US5 (very high median household income (~$239,028)). Searchers often dig into housing affordability stretch, private schools, and neighborhood comparisons rather than entry-level rentals.

Income and economy in PA

Median household income in ZIP 18921 is about $239,028 — about 218% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 0.0%; unemployment rate near 0.0%; 15.7% of adults with a bachelor’s degree or higher (about 18.0 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Retail trade, Manufacturing, and Arts and entertainment; about 46.3% of workers reporting work-from-home (about 31.1 points above the U.S. share (15.2%)); a mean commute of about 66.0 minutes (U.S. average near 26.8).

Housing and affordability in ZIP 18921

Median home value is about $385,200 — about 11% above the U.S. median home value ($348,079).

Housing tenure and rents show owner-occupancy near 100.0% (about 34.6 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 18921 in PA, a household would need roughly $106,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $2,474. That sits below the local median household income ($239,028), suggesting the typical household income is closer to a workable buy-in level under these assumptions. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

Climate risk and migration signals

FEMA’s National Risk Index rates natural-hazard risk for PA as Relatively High (composite score 94.8), which is among the highest nationally. The strongest component scores on US5 are flood (97.1) and hurricane (88.4). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Climate normals for PA show limited published climate normals on US5.

IRS migration statistics show a net inflow of about 8 for ZIP 18921 (PA) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.