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  Dauphin - Demographic History
County DETAILS
Parents > United States > Pennsylvania > PA Counties > Dauphin  
Websitehttps://www.dauphincounty.gov/
Established March 04, 1785
Disbanded Still Active
Last ModifiedRP November 11, 2023 08:07pm
DescriptionDauphin County is a county located in the U.S. state of Pennsylvania and is one
of four counties comprising the greater Harrisburg metropolitan area. As of 2004,
the population is 253,282. The county contains the city of Harrisburg, which has
served as the state capital since 1812. Harrisburg is also the county seat.

Dauphin County was created on March 4, 1785 from part of Lancaster County and
named for the Dauphin, the heir to the throne of France.

INFORMATION
DatePopulation
Apr 01, 2020
Population
286,401 (100%)
Apr 01, 2010
Population
268,100 (100%)
Jul 01, 2009
Population
258,934 (100%)
Jul 01, 2008
Population
258,222 (100%)
Jul 01, 2007
Population
256,864 (100%)
Jul 01, 2006
Population
254,776 (100%)
Jul 01, 2005
Population
253,203 (100%)
Jul 01, 2004
Population
252,699 (100%)
Jul 01, 2003
Population
252,932 (100%)
Jul 01, 2002
Population
252,616 (100%)
Jul 01, 2001
Population
251,646 (100%)
Jul 01, 2000
Population
251,832 (100%)
Apr 01, 1990
Population
237,813 (100%)
Apr 01, 1980
Population
232,317 (100%)
Apr 01, 1970
Population
223,834 (100%)
Apr 01, 1960
Population
220,255 (100%)
Apr 01, 1950
Population
197,784 (100%)
Apr 01, 1940
Population
177,410 (100%)
Apr 01, 1930
Population
165,231 (100%)
Jan 01, 1920
Population
153,116 (100%)
Apr 15, 1910
Population
136,152 (100%)
Jun 01, 1900
Population
114,443 (100%)
Jun 02, 1890
Population
96,977 (100%)
Jun 01, 1880
Population
76,148 (100%)
Jun 01, 1870
Population
60,740 (100%)
Jun 01, 1860
Population
46,756 (100%)
Jun 01, 1850
Population
35,754 (100%)
Jun 01, 1840
Population
30,118 (100%)
Jun 01, 1830
Population
25,243 (100%)
Aug 07, 1820
Population
21,653 (100%)
Aug 06, 1810
Population
31,883 (100%)
Aug 04, 1800
Population
22,270 (100%)
Aug 02, 1790
Population
18,177 (100%)