County · Pennsylvania
Lehigh County, Pennsylvania
Lehigh County, Pennsylvania. Lehigh County had 384,383 residents in 2025 by the Census Bureau's estimate, up 2.6% since 2020, faster than Pennsylvania (+0.4%). It holds 41 places (10 cities, villages and boroughs, 15 towns and townships and 16 census-designated) and 81 census tracts. GEOID 42077.
Lehigh County is one of the 4 counties of the Allentown-Bethlehem-Easton, PA-NJ metropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
384,383
Census Bureau estimate (no margin published)
2020 Census count: 374,557 · ACS 2020-2024: 378,792
Median household income
$80,079
±$1,728 (90% margin)
Pennsylvania: $77,971
Median home value
$300,400
±$5,846 (90% margin)
Pennsylvania: $254,500
Median gross rent
$1,383
±$27 (90% margin)
Pennsylvania: $1,209
How many people live in Lehigh County, and is it growing?
The 2020 Census counted 374,557 residents in Lehigh County. The Census Bureau estimates 384,383 for July 1, 2025, up 2.6% since 2020, faster than Pennsylvania (+0.4%). The 2020-2024 American Community Survey puts the population at 378,792 over 345 square miles of land.
| Measure | Lehigh County | Pennsylvania | Change since 2015-2019 |
|---|---|---|---|
| Total population | 378,792 | 13,018,639 | +13,740 |
| Households | 144,386±695 | 5,274,853 | +5,672 |
| Average household size | 2.56±0.01 | 2.39 | no clear change |
| Housing units | 151,220±109 | 5,806,452 | +5,075 |
Lehigh County's population since 2000
From 312,090 in 2000 to 384,383 in 2025: up 23.2%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Lehigh County?
Lehigh County holds 41 places: 10 cities, villages and boroughs (incorporated places), 15 towns and townships (county subdivisions with their own government) and 16 census-designated places. The largest is Allentown with 126,044 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Allentown | 125,845 | $55,494 |
|---|---|---|
| Lower Macungie Township | 32,426 | $125,230 |
| Whitehall Township | 29,173 | $75,658 |
| Upper Macungie Township | 26,377 | $120,798 |
| South Whitehall Township | 21,080 | $102,872 |
| Bethlehem | 75,781 | $68,879 |
| Upper Saucon Township | 16,973 | $145,764 |
| Fullerton | 16,588 | $69,317 |
| North Whitehall Township | 15,655 | $110,361 |
| Salisbury Township, Lehigh County | 13,621 | $101,299 |
| Emmaus | 11,652 | $83,917 |
| Upper Milford Township | 7,777 | $110,139 |
| Breinigsville | 7,495 | $120,749 |
| Ancient Oaks | 6,995 | $134,375 |
| Washington Township, Lehigh County | 6,551 | $86,837 |
| Catasauqua | 6,518 | $85,049 |
| Wescosville | 6,039 | $139,826 |
| Weisenberg Township | 4,976 | $134,083 |
| Dorneyville | 4,850 | $128,732 |
| Fountain Hill | 4,832 | $64,107 |
| Slatington | 4,283 | $49,625 |
| Lynn Township | 4,232 | $87,784 |
| Lower Milford Township | 3,861 | $123,186 |
| Coplay | 3,348 | $61,906 |
| Hokendauqua | 3,340 | $84,350 |
| Heidelberg Township, Lehigh County | 3,324 | $91,553 |
| Schnecksville | 3,261 | $114,375 |
| Macungie | 3,257 | $75,677 |
| Alburtis | 2,596 | $107,500 |
| Egypt | 2,588 | $113,221 |
| Coopersburg | 2,447 | $84,357 |
| Cetronia | 2,421 | $79,222 |
| Trexlertown | 2,382 | $109,792 |
| Lowhill Township | 2,292 | $144,167 |
| Hanover Township, Lehigh County | 1,689 | $55,652 |
| Cementon | 1,657 | $70,795 |
| Laurys StationGEOID 4241880 | 1,170 | $167,961 |
| Stiles | 1,070 | $98,125 |
| DeSales UniversityGEOID 4218998 | 985 | not published |
| New Tripoli | 840 | $64,570 |
| SlatedaleGEOID 4271080 | 458 | $96,071 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Lehigh County?
The median resident of Lehigh County is 39.6 years old; 22.3% are under 18 and 17.7% are 65 or older. The largest group is non-Hispanic white residents at 59.1%, then Hispanic or Latino residents (of any race) at 28.0%. 14.4% of residents were born outside the United States.
| Measure | Lehigh County | Pennsylvania | Change since 2015-2019 |
|---|---|---|---|
| Median age | 39.6±0.2 | 40.9 | +0.5 |
| Under 18 years | 22.3%±0.1 pts | 20.4% | – |
| 65 years and over | 17.7%±0.1 pts | 19.5% | – |
| Hispanic or Latino (any race) | 28.0% | 8.7% | +3.5 pts |
| White alone, not Hispanic | 59.1%±0.2 pts | 73.0% | −5.3 pts |
| Black or African American alone, not Hispanic | 5.9%±0.2 pts | 10.3% | +0.3 pts |
| Asian alone, not Hispanic | 3.5%±0.2 pts | 3.8% | no clear change |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±0.1 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.1 pts | 0.0% | – |
| Two or more races, not Hispanic | 2.9%±0.3 pts | 3.6% | – |
| Some other race alone, not Hispanic | 0.5%±0.2 pts | 0.5% | – |
| Born outside the United States | 14.4%±0.7 pts | 7.7% | +2.6 pts |
| Speak a language other than English at home (age 5+) | 26.2%±0.7 pts | 12.4% | – |
| Civilian veterans (age 18+) | 5.6%±0.3 pts | 6.1% | – |
| With a disability | 13.2%±0.5 pts | 14.4% | – |
| No health insurance coverage | 6.4%±0.4 pts | 5.6% | no clear change |
| High school graduate or higher (age 25+) | 90.5%±0.6 pts | 92.1% | – |
| Bachelor's degree or higher (age 25+) | 34.2%±0.7 pts | 35.2% | +4.3 pts |
| Graduate or professional degree (age 25+) | 13.2%±0.5 pts | 14.3% | – |
| Moved from another state in the past year | 1.9%±0.4 pts | 1.9% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Lehigh County earn?
Half of Lehigh County's 144,386 households earn less than $80,079 a year (±$1,728), against $77,971 in Pennsylvania. In 2015-2019 it was $78,638 in 2024 dollars; the margins of error cannot tell the two periods apart. 11.6% of residents live below the poverty line.
| Measure | Lehigh County | Pennsylvania | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $80,079±$1,728 | $77,971 | no clear change |
| Mean household income | $110,753±$2,354 | $107,538 | – |
| Per capita income | $43,088±$901 | $44,355 | +$1,779 |
| People below the poverty line | 11.6%±0.7 pts | 11.7% | no clear change |
| Children under 18 below the poverty line | 17.4%±1.9 pts | 15.6% | no clear change |
| Households receiving SNAP | 15.4%±0.8 pts | 14.4% | – |
| Households with a broadband subscription | 90.0%±0.7 pts | 89.7% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Lehigh County?
Owners occupy 65.6% of Lehigh County's occupied homes and renters 34.4%. The median owner-occupied home is valued at $300,400 by its owner (±$5,846). The median renter pays $1,383 a month including utilities, and 44.9% of renters pay 35% or more of their income on rent.
| Measure | Lehigh County | Pennsylvania | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $300,400±$5,846 | $254,500 | +$44,170 |
| Median gross rent | $1,383±$27 | $1,209 | +$64 |
| Renters paying 35% or more of income on rent | 44.9%±2.2 pts | 39.5% | no clear change |
| Median monthly owner costs, with a mortgage | $1,885±$27 | $1,762 | – |
| Owner-occupied homes | 65.6%±0.8 pts | 69.3% | +1.2 pts |
| Housing units | 151,220±109 | 5,806,452 | +5,075 |
| Homeowner vacancy rate | 0.3%±0.2 pts | 0.8% | – |
| Rental vacancy rate | 3.7%±0.9 pts | 4.9% | – |
| Single-family detached homes | 49.6%±0.8 pts | 56.6% | – |
| Mobile homes | 1.7%±0.2 pts | 3.5% | – |
| Built 2020 or later | 1.1%±0.2 pts | 1.0% | – |
| Built 1939 or earlier | 24.2%±0.8 pts | 25.0% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Lehigh County building?
Builders took permits for 394 new housing units across Lehigh County in 2025 (386 single-family), 1.0 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Lehigh County get to work?
72.8% of Lehigh County's workers drive alone and 14.0% work from home. The average trip to work takes 24.9 minutes. The unemployment rate in 2020-2024 averaged 5.9%.
| Measure | Lehigh County | Pennsylvania | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 64.8%±0.6 pts | 62.7% | – |
| Unemployment rate | 5.9%±0.6 pts | 5.3% | no clear change |
| Drove alone to work | 72.8%±0.9 pts | 68.2% | – |
| Carpooled | 8.0%±0.6 pts | 7.5% | – |
| Public transportation | 1.4%±0.3 pts | 3.6% | – |
| Walked | 2.1%±0.3 pts | 3.3% | – |
| Worked from home | 14.0%±0.7 pts | 15.6% | +9.4 pts |
| Mean travel time to work | 24.9 min±0.5 | 26.3 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Lehigh County's census tracts?
Lehigh County is divided into 81 census tracts. Among those with a reliable estimate, median household income runs from $30,405 (Tract 19) to $189,000 (Tract 63.04).
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Lehigh County compare with Pennsylvania's other counties?
| Measure | Rank |
|---|---|
| Population | 10th of 67 |
| Growth 2020-2025 | 9th of 67 |
| Residents per square mile | 5th of 67 |
| Median household income | 13th of 67 |
| Median home value | 8th of 67 |
| Median gross rent | 7th of 67 |
| Poverty rate | 35th of 67 |
| Bachelor's degree or higher | 13th of 67 |
| Median age | 62nd of 67 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Lehigh County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.