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- source: Getty Thesaurus of Geographic Names
- source: Family History Library Catalog
- the text in this section is copied from an article in Wikipedia
Lehigh County (Pennsylvania Dutch: Lechaa Kaundi) is a county in the U.S. state of Pennsylvania. As of the 2020 census, the county's population was 374,557. Its county seat is Allentown, the state's third largest city behind Philadelphia and Pittsburgh.
Lehigh County falls geographically between two Pennsylvania Appalachian mountain ranges, Blue Mountain to the county's north and South Mountain to its south. The county is northwest of Philadelphia and west of New York City.
Lehigh County is the most populated of the two counties that comprise the Lehigh Valley region of eastern Pennsylvania. It is one of the fastest-growing counties in Pennsylvania and part of the Philadelphia television market, the nation's fourth largest.
Timeline
Population History
- source: Source:Population of States and Counties of the United States: 1790-1990
| Census Year | Population
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| 1820 | 18,895
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| 1830 | 22,256
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| 1840 | 25,787
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| 1850 | 32,479
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| 1860 | 43,753
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| 1870 | 56,796
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| 1880 | 65,969
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| 1890 | 76,631
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| 1900 | 93,893
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| 1910 | 118,832
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| 1920 | 148,101
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| 1930 | 172,893
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| 1940 | 177,533
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| 1950 | 198,207
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| 1960 | 227,536
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| 1970 | 255,304
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| 1980 | 272,349
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| 1990 | 291,130
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Research Tips
External links
- Outstanding guide to Lehigh County family history and genealogy resources (FamilySearch Research Wiki). Birth, marriage, and death records, censuses, wills, deeds, county histories, cemeteries, churches, newspapers, libraries, and genealogical societies.
- www.lehighcounty.org/
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