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Where am ILOCATED

Lehigh County, Pennsylvania

Lehigh County, Pennsylvania, has 384,383 residents (July 2025 estimate). Its county seat is Allentown. It uses Eastern Time and covers 345 sq mi (894 km²) of land.

PhiladelphiaPittsburgh
Lehigh County in Pennsylvania
Northampton CountyAllentownBethlehemFullertonEmmausAncient Oaks
Lehigh County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
384,383
Land area
345 sq mi (894 km²)
County seat or government
Allentown
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$80,079 ± $1,728
Median home value
$300,400 ± $5,846
Median rent, with utilities
$1,383 ± $27
Homes lived in by their owners
65.6% ± 0.8 points
County type
County
Metro or micro area
Allentown-Bethlehem-Easton, PA-NJ metro areaCentral county
Water area
2.88 sq mi (7.45 km²)
State
Pennsylvania
County code (FIPS)
42077
Coordinates (central point)
40.614241, -75.590627
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Lehigh County

Time zoneLocal time and UTC offsetNext clock change
Eastern TimeAmerica/New_YorkUTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 1810251,001 people
  2. 1810348,746 people
  3. 1810448,683 people
  4. 1801740,640 people
  5. 1895136,568 people
  6. 1801534,852 people
  7. 1801832,965 people
  8. 1805229,451 people
  9. 1806227,110 people
  10. 1804918,941 people
  11. 1810918,446 people
  12. 1803615,581 people
All 36
  1. 1953015,573 people
  2. 1803111,570 people
  3. 1808011,226 people
  4. 180329,555 people
  5. 180349,209 people
  6. 180698,515 people
  7. 180787,857 people
  8. 180377,472 people
  9. 181066,226 people
  10. 181016,120 people
  11. 180666,102 people
  12. 180415,768 people
  13. 180115,338 people
  14. 195393,823 people
  15. 180513,624 people
  16. 180923,230 people
  17. 195293,109 people
  18. 180532,344 people
  19. 18059744 people
  20. 18087590 people
  21. 18065577 people
  22. 18079303 people
  23. 18046201 people
  24. 181950 people

36 ZIP Code areas overlap Lehigh County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

Lehigh County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

Townships in Lehigh County, largest first

  1. Lower Macungie Township32,727 people
  2. Whitehall Township29,317 people
  3. Upper Macungie Township27,850 people
  4. South Whitehall Township21,390 people
  5. Upper Saucon Township17,484 people
  6. North Whitehall Township15,822 people
  7. Salisbury Township13,677 people
  8. Upper Milford Township8,057 people
  9. Washington Township6,595 people
  10. Weisenberg Township5,018 people
  11. Lynn Township4,278 people
  12. Lower Milford Township3,872 people
All 15
  1. Heidelberg Township3,356 people
  2. Lowhill Township2,134 people
  3. Hanover Township1,866 people

People counts are American Community Survey 2020–2024 5-year estimates. All townships in Pennsylvania, by county

School districts in Lehigh County, largest first

  1. Bethlehem Area School District123,622 people
  2. Allentown City School District122,611 people
  3. Parkland School District68,427 people
  4. East Penn School District58,545 people
  5. Whitehall-Coplay School District32,783 people
  6. Southern Lehigh School District23,851 people
  7. Northwestern Lehigh School District14,786 people
  8. Salisbury Township School District13,677 people
  9. Northern Lehigh School District12,970 people
  10. Catasauqua Area School District11,421 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Allentown, Pennsylvania (city)125,976 people
  2. Bethlehem, Pennsylvania (city)77,956 people
  3. Fullerton, Pennsylvania (CDP)16,724 people
  4. Emmaus, Pennsylvania (borough)11,889 people
  5. Ancient Oaks, Pennsylvania (CDP)7,777 people
  6. Breinigsville, Pennsylvania (CDP)7,769 people
  7. Wescosville, Pennsylvania (CDP)7,148 people
  8. Catasauqua, Pennsylvania (borough)6,541 people
  9. Dorneyville, Pennsylvania (CDP)5,211 people
  10. Fountain Hill, Pennsylvania (borough)4,834 people
  11. Slatington, Pennsylvania (borough)4,290 people
  12. Schnecksville, Pennsylvania (CDP)3,922 people
All 26
  1. Coplay, Pennsylvania (borough)3,466 people
  2. Macungie, Pennsylvania (borough)3,274 people
  3. Hokendauqua, Pennsylvania (CDP)3,145 people
  4. Egypt, Pennsylvania (CDP)3,053 people
  5. Alburtis, Pennsylvania (borough)2,598 people
  6. Coopersburg, Pennsylvania (borough)2,495 people
  7. Trexlertown, Pennsylvania (CDP)2,416 people
  8. Cetronia, Pennsylvania (CDP)2,120 people
  9. Cementon, Pennsylvania (CDP)1,454 people
  10. Stiles, Pennsylvania (CDP)1,441 people
  11. DeSales University, Pennsylvania (CDP)1,052 people
  12. Laurys Station, Pennsylvania (CDP)744 people
  13. New Tripoli, Pennsylvania (CDP)717 people
  14. Slatedale, Pennsylvania (CDP)303 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Northampton County, Pennsylvania18 mi northeast
  2. Carbon County, Pennsylvania22 mi north
  3. Berks County, Pennsylvania22 mi southwest
  4. Montgomery County, Pennsylvania30 mi southeast
  5. Bucks County, Pennsylvania32 mi southeast
  6. Schuylkill County, Pennsylvania33 mi west

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.