Bethlehem, PA

Census ZIP code profile for Bethlehem, PA - 5 ZIPs, total population 123,241. 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 BETHLEHEM-PA · Bethlehem, PA 5 ZIPs · 123,241 pop · #6774/25278 · Lehigh County and Northampton County

INC-HIGH · RANK-UPPER · PHOTO-FINISH · BOOK-MID · OWN-LOW · POP-MID · SPREAD-WIDE · HOME-MID

  • INC-HIGH $88,389
  • RANK-UPPER #6774/25278
  • PHOTO-FINISH ≈ Hellertown
  • BOOK-MID 5 ZIPs
  • OWN-LOW 64% owners
  • POP-MID 123,241
  • SPREAD-WIDE 18015→18020
  • HOME-MID $309,725

Nearest income peer: Hellertown, PA (+ $1,845 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 Bethlehem

Lowest/highest poles plus county-sharing cities nearest Bethlehem 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, Bethlehem, PA sits among US cities with an above-median household income, on a mid-size population base, across a compact ZIP cluster.

Top 27%
household income vs 25,278 US cities
123,241
city population (Census)
5
USPS ZIP codes covered
$88,389
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 above-median income city on a compact ZIP cluster (5 codes). Income averages $88,389, rent $1,462 , commute about 23 minutes. Sibling ZIPs here are close enough that a two-ZIP compare often answers which side of town.

Bethlehem lands mid-pack among the 12 cities sharing Lehigh County and Northampton County: Easton, Macungie and Nazareth earn more and Allentown, Whitehall and Bangor earn less. Coopersburg marks the far end of that range at $129,123, 46% above Bethlehem.

Within-city ZIP comparison

Where the ZIP codes inside Bethlehem differ

Income is the clearest internal divide in Bethlehem. ZIP 18015 reports $60,800 in median household income, while ZIP 18020 reports $126,166. The city average sits between those published endpoints, so it is a starting point rather than a substitute for the ZIP records.

Income high-to-low ratio
2.1×

18015 to 18020

Home-value high-to-low ratio
1.5×

18018 to 18020

Poverty-rate spread
11.6 points

18020 to 18015

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

Bethlehem population is a blend, not a flagship ZIP

Across 5 delivery areas, the densest code 18017 still covers only about 30% of Bethlehem's 123,241 residents. The city average is a blend, pick two ZIPs with different incomes before using one number.

Census ZBP business roll-up

Mid-density employers across Bethlehem's ZIP mosaic

Citywide ZBP: 2,887 establishments, 82,541 employees , annual payroll $5,200,473k (~23 establishments per 1,000 residents) across 5 of 5 ZIPs. Peak business ZIP 18017 (985 units) ; leading NAICS Health care and social assistance (425) · also Accommodation and food services · Other services (except public administration) .

View your shortlist →

ZIP Codes in Bethlehem, PA

These ZIP codes straddle Lehigh County and Northampton County, so county-level figures split Bethlehem between several administrative records. See the Lehigh County roll-up →

Bethlehem lands mid-pack among the 12 cities sharing Lehigh County and Northampton County: Easton, Macungie and Nazareth earn more and Allentown, Whitehall and Bangor earn less. Coopersburg marks the far end of that range at $129,123, 46% above Bethlehem.

Side-by-side: Compare 18017 vs 18015 →

ZIP Code Population Median income Establishments Density
18017 37,549 $91,173 985 897
18015 32,832 $60,800 595 597
18018 32,413 $75,417 776 2,424
18020 20,447 $126,166 520 571
18016 0 n/a 11 n/a

Bethlehem 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 Bethlehem, .