PlainZIP

Allentown, PA

Census ZIP code profile for Allentown, PA - 8 ZIPs, total population 166,081. Median income, home value, education, commute, and demographics from the U.S. Census Bureau American Community Survey 2023 5-Year Estimates.

U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage

ACS city ledger plate

Sheet ALLENTOWN-PA · Allentown, PA 8 ZIPs · 166,081 pop · #14193/25278 · Lehigh County

INC-MID · RANK-MID · BELOW-PEER · BOOK-MID · OWN-LOW · POP-MID · SPREAD-WIDE · HOME-MID

  • INC-MID $67,700
  • RANK-MID #14193/25278
  • BELOW-PEER under Slatington
  • BOOK-MID 8 ZIPs
  • OWN-LOW 52% owners
  • POP-MID 166,081
  • SPREAD-WIDE 18102→18104
  • HOME-MID $259,133

Nearest income peer: Slatington, PA (+ $6,822 income $)

Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.

Income neighbourhood around Allentown

Lowest/highest poles plus county-sharing cities nearest Allentown on average ZIP median household income. Full ladder: /cities.

median HH income

What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2026-08-25

National city placement

According to ACS 5-Year Estimates, Allentown, PA sits among US cities with a below-median household income, on a mid-size population base, across a compact ZIP cluster.

44th pct
household income vs 25,278 US cities
166,081
city population (Census)
8
USPS ZIP codes covered
$67,700
avg ZIP median income

Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.

A below-median income city on a compact ZIP cluster (8 codes). Income averages $67,700, rent $1,406 , commute about 24 minutes. Sibling ZIPs here are close enough that a two-ZIP compare often answers which side of town.

Every one of the 12 cities sharing Lehigh County reports a higher average ZIP median income than Allentown, Bethlehem, Whitehall and Macungie among them. That gap is the county's income spread, not a measure of the housing or commute picture below. Center Valley marks the far end of that range at $153,200, 126% above Allentown.

Within-city ZIP comparison

Where the ZIP codes inside Allentown differ

Allentown's city average masks two linked splits. Median household income runs from $43,085 in ZIP 18102 to $94,601 in ZIP 18104, while home values span $163,400 in 18102 to $412,200 in 18106. Compare the endpoint ZIPs before treating the city-level number as a neighborhood-level answer.

Income high-to-low ratio
2.2×

18102 to 18104

Home-value high-to-low ratio
2.5×

18102 to 18106

Poverty-rate spread
22.6 points

18106 to 18102

Derived from the published ACS 2023 ZIP-level records shown on this site. A high-to-low ratio compares the highest and lowest available ZIP values; it is not a score or forecast.

Population concentration

Allentown population is a blend, not a flagship ZIP

Across 8 delivery areas, the densest code 18102 still covers only about 30% of Allentown's 166,081 residents. The city average is a blend, pick two ZIPs with different incomes before using one number.

Census ZBP business roll-up

Dense employer mosaic across Allentown

Citywide ZBP: 4,718 establishments, 107,964 employees , annual payroll $7,212,708k (~28 establishments per 1,000 residents) across 8 of 8 ZIPs. Peak business ZIP 18104 (1,248 units) ; leading NAICS Health care and social assistance (771) · also Retail trade · Other services (except public administration) .

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ZIP Codes in Allentown, PA

These ZIP codes sit in Lehigh County, which covers 32 ZIP codes in all; 8 of them fall in Allentown. See the Lehigh County roll-up →

Every one of the 12 cities sharing Lehigh County reports a higher average ZIP median income than Allentown, Bethlehem, Whitehall and Macungie among them. That gap is the county's income spread, not a measure of the housing or commute picture below. Center Valley marks the far end of that range at $153,200, 126% above Allentown.

Side-by-side: Compare 18102 vs 18103 →

ZIP Code Population Median income Establishments Density
18102 49,779 $43,085 588 6,414
18103 45,336 $72,895 1,044 994
18104 43,236 $94,601 1,248 723
18109 16,932 $58,031 802 798
18106 6,889 $92,813 631 323
18101 3,897 $44,773 329 4,305
18105 12 n/a 28 602
18195 0 n/a 48 n/a
How we build city roll-ups · Guide: reading ZIP code data · HUD Fair Market Rents

Allentown roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving Allentown, .