Lehigh County, Pennsylvania
Lehigh County: county in Pennsylvania, United States of America
About
Lehigh County is a county located in the U.S. state of Pennsylvania. As of the 2010 census, the population was 349,497 and a population density of 387 people per km². After 10 years in 2020 county had an estimated population of 370,802 inhabitants. Its county seat is Allentown. The county was created 214 years ago in 1812.
County Snapshot
Lehigh County at a glance
Lehigh County currently has 17 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
17
These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.
Pennsylvania counties
67
Open related pagesLargest city
AllentownPopulation 121,470
Top linked places
Quick Facts about Lehigh County
| Population | 370,802 (2020) |
| Country | United States of America |
| State | Pennsylvania (United States) |
| Area | 902 km2 |
| Water as percent of area | 0.9% |
| Land as percent of area | 99.1% |
| Latitude & Longitude | 40.6127,-75.5924 |
| Named for | Lehigh River |
| Altitude | 541 feet / 165 meters |
| Capital | Allentown |
| Establishment | March 06, 1812 |
| Time Zone | America/New_York |
| Local time | 00:28:25 (17th April 2026) |
| Density | 411 Pop. per km² as of 2020 |
| Population growth | 5.75% (2010-2020) |
| Weather | 79℉ Chance Rain Showers then Chance Showers And Thunderstorms 7-days weather |
Geography
Lehigh County is located at 40°36'46"N 75°35'33"W (40.6127100, -75.5923700). It has 5 neighbors: Berks County, Bucks County, Montgomery County, Northampton County and Schuylkill County.
Lehigh County map
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The largest city of Lehigh County is Allentown with a population of 121,470. Other cities include, Whitehall Township population 24,896, Emmaus population 11,493, Catasauqua population 6,606 and Fountain Hill population 4,713. See all Lehigh County cities & populated places.
Lehigh County Populated Places (more)
Cities, towns, neighborhoods & other populated places in Lehigh County.
| City Name | Population | Title |
|---|---|---|
| Allentown | 121,470 | The third most populous city in Pennsylvania. |
| Whitehall Township | 24,896 | Township in Lehigh County, Pennsylvania |
| Emmaus | 11,493 | Borough in Lehigh County, Pennsylvania |
| Ancient Oaks | 6,661 | Census designated place |
| Catasauqua | 6,606 | Borough of Pennsylvania |
| Weisenberg | 5,294 | Township in Lehigh County, Pennsylvania |
| Fountain Hill | 4,713 | City in Ashley County, Arkansas, United States of America |
| Slatington | 4,311 | Borough of Pennsylvania |
| Hokendauqua | 3,378 | Census designated place in Whitehall Township, Lehigh County, Pennsylvania |
| Coplay | 3,217 | Borough of Pennsylvania |
| Macungie | 3,183 | Borough of Pennsylvania |
| Schnecksville | 2,935 | Census designated place |
| Alburtis | 2,643 | Borough of Pennsylvania |
| Coopersburg | 2,460 | Borough of Pennsylvania |
| Haines | 1,561 | Township in Centre County, Pennsylvania |
| Spring Creek | 781 | Township of Pennsylvania |
Weather
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 30%.
7-Day ForecastOfficial website of Lehigh County
Official WebsiteDemographics
The population of Lehigh County increased by 5.75% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 349,497 | - | census |
| 2011 | 353,436 | 1.11% | estimation process |
| 2012 | 354,759 | 0.37% | estimation process |
| 2013 | 355,341 | 0.16% | estimation process |
| 2014 | 357,636 | 0.64% | estimation process |
| 2015 | 359,710 | 0.58% | estimation process |
| 2016 | 362,298 | 0.71% | estimation process |
| 2017 | 365,577 | 0.9% | estimation process |
| 2018 | 368,359 | 0.76% | estimation process |
| 2019 | 369,318 | 0.26% | estimation process |
| 2020 | 370,802 | 0.4% | estimation process |
People born in Lehigh County (7)
People born in Lehigh County, including politician Constantine Jacob Erdman, mathematician George Abram Miller, Recipient of the Purple Heart medal Forrest Guth, .
More notable people
- Joseph F. Brennan (American politician) he was born in 12/01/1964
- Madison Clinton Peters (American minister) he was born in 01/01/1859
- Rose Lambert (American missionary) she was born in 08/09/1878
- Solomon J. Hottenstine (American soldier) he was born in 05/05/1844
Pennsylvania Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Philadelphia County | 1,578,487 | County in Pennsylvania, United States |
| Philadelphia | 1,578,487 | The sixth most populous city in the United States and the center of the Philadelphia metropolitan area. |
| Allegheny County | 1,211,358 | County in the southwestern part of the U. |
| Montgomery County | 833,869 | County in Pennsylvania, United States |
| Bucks County | 627,987 | County in Pennsylvania, United States |
| Delaware County | 566,753 | County in Pennsylvania, United States |
| Lancaster County | 546,192 | County in Pennsylvania, United States |
| Chester County | 526,759 | County in Pennsylvania, United States |
| York County | 450,448 | County in Maine, United States |
| Berks County | 421,017 | County in Pennsylvania, United States |
| Westmoreland County | 347,087 | County in Pennsylvania, United States |
| Luzerne County | 316,982 | County in Pennsylvania, United States |
| Northampton County | 305,892 | County in Pennsylvania, United States |
| Pittsburgh | 299,226 | The second most populous city in Pennsylvania and the center of the Pittsburgh metropolitan area. |
| Dauphin County | 279,874 | County in Pennsylvania, United States |
| Erie County | 268,426 | County in Pennsylvania, United States |