Lehigh

Source:

Pennsylvania

Lehigh is a major-metro county in Pennsylvania with 32 ZIP codes, 366,908 people, and top-decile household income among US counties. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.

National county placement

According to ACS 5-Year Estimates, Lehigh, PA sits among US counties with a top-decile household income, on a major-metro county population base, across a multi-ZIP patchwork.

Top 8%
household income vs 3,210 US counties
366,908
combined ZIP population
32
USPS ZIP codes covered
$97,046
avg ZIP median income

Income percentile ranks this county's average ZIP median household income against 3,210 US counties with ACS income on at least one ZIP.

Lehigh lands in the national county income distribution as top-decile household income on major-metro county footing (FIPS 42077, 32 ZIPs, combined population 366,908). Sort the ZIP table by population before treating the county mean as uniform.

High-income counties with wide ZIP mosaics hide sharp internal gradients. The densest ZIP here is 18102 (Allentown) with 49,779 residents - open it beside a thin rural code from the table before treating the county mean as uniform. HUD Fair Market Rents and FBI county tables attach to FIPS 42077, so scorecards stay county-keyed while household income stays ZIP-keyed.

Save two ZIPs from the table into your shortlist, then open a compare link - that is the return path a static county summary cannot replace. All figures here come from Census ACS 2023 5-Year Estimates and USPS ZCTA files.

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32

Total ZIPs

366,908

Total Population

ZIP Codes in Lehigh

Side-by-side: Compare 18102 vs 18103 →

ZIP Code City Population Density
18102 Allentown 49,779 6,414
18103 Allentown 45,336 994
18104 Allentown 43,236 723
18018 Bethlehem 32,413 2,424
18052 Whitehall 26,902 820
18062 Macungie 24,351 441
18049 Emmaus 17,341 447
18109 Allentown 16,932 798
18036 Coopersburg 12,822 169
18080 Slatington 11,456 144
18032 Catasauqua 9,285 1,784
18034 Center Valley 8,256 281
18069 Orefield 8,017 224
18031 Breinigsville 7,528 213
18078 Schnecksville 7,074 173
18037 Coplay 7,070 374
18106 Allentown 6,889 323
18066 New Tripoli 6,005 51
18011 Alburtis 5,450 128
18041 East Greenville 5,424 151
18101 Allentown 3,897 4,305
18051 Fogelsville 3,327 154
18092 Zionsville 3,223 83
18053 Germansville 2,375 56
18059 Laurys Station 1,228 294
18087 Trexlertown 738 263
18079 Slatedale 436 714
18046 East Texas 64 1,354
18068 Old Zionsville 42 4,012
18105 Allentown 12 602
18016 Bethlehem 0 -
18195 Allentown 0 -

Frequently Asked Questions

What is the population of Lehigh?

Lehigh has a total population of 366,908 across 32 ZIP codes, based on U.S. Census Bureau ACS 2023 data.

What ZIP codes are in Lehigh?

Lehigh includes 32 ZIP codes: 18102, 18103, 18104, 18018, 18052, 18062, 18049, 18109, 18036, 18080, and more.

Lehigh's figures come from Census ACS 5-Year Estimates (2023), mapped to ZIP codes via the HUD USPS Crosswalk. PlainZIP is not affiliated with the U.S. Census Bureau or any government agency. See our methodology for details.

Related

Compare any two ZIPs side by side

Read our methodology : how this data is sourced, computed, and verified.