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  Lehigh - Demographic History
County DETAILS
Parents > United States > Pennsylvania > PA Counties > Lehigh  
Websitehttp://www.lehighcounty.org/index.cfm
Established January 01, 1812
Disbanded Still Active
Last ModifiedRBH June 09, 2011 02:33am
DescriptionOverview
Lehigh County is a county located in the U.S. state of Pennsylvania.
It was formed in 1812 from parts of Northampton County.

As of 2000, the population of the county is 312,090.

Its county seat is Allentown.

Lehigh County is named after the Lehigh River, which runs through
the county's two largest cities, Allentown and Bethlehem. It is located in
the Lehigh Valley region of Pennsylvania, in the eastern part of the state.

INFORMATION
DatePopulation
Apr 01, 2020
Population
374,557 (100%)
Apr 01, 2010
Population
349,497 (100%)
Jul 01, 2009
Population
343,519 (100%)
Jul 01, 2008
Population
341,184 (100%)
Jul 01, 2007
Population
337,688 (100%)
Jul 01, 2006
Population
333,969 (100%)
Jul 01, 2005
Population
329,026 (100%)
Jul 01, 2004
Population
324,428 (100%)
Jul 01, 2003
Population
320,354 (100%)
Jul 01, 2002
Population
316,676 (100%)
Jul 01, 2001
Population
314,790 (100%)
Jul 01, 2000
Population
312,688 (100%)
Apr 01, 1990
Population
291,130 (100%)
Apr 01, 1980
Population
272,349 (100%)
Apr 01, 1970
Population
255,304 (100%)
Apr 01, 1960
Population
227,536 (100%)
Apr 01, 1950
Population
198,207 (100%)
Apr 01, 1940
Population
177,533 (100%)
Apr 01, 1930
Population
172,893 (100%)
Jan 01, 1920
Population
148,101 (100%)
Apr 15, 1910
Population
118,832 (100%)
Jun 01, 1900
Population
93,893 (100%)
Jun 02, 1890
Population
76,631 (100%)
Jun 01, 1880
Population
65,969 (100%)
Jun 01, 1870
Population
56,796 (100%)
Jun 01, 1860
Population
43,753 (100%)
Jun 01, 1850
Population
32,479 (100%)
Jun 01, 1840
Population
25,787 (100%)
Jun 01, 1830
Population
22,256 (100%)
Aug 07, 1820
Population
18,895 (100%)