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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
Dauphin County (; Pennsylvania Dutch: Daffin Kaundi) is a county in the U.S. state of Pennsylvania. As of the 2020 census, the population was 286,401. The county seat and the largest city is Harrisburg, Pennsylvania's state capital and ninth largest city. The county was created ("erected") on March 4, 1785, from part of Lancaster County and was named after Louis-Joseph, Dauphin of France, the first son of king Louis XVI.
Dauphin County is included in the Harrisburg–Carlisle Metropolitan Statistical Area.
Located within the county is Three Mile Island Nuclear Generating Station, site of the 1979 nuclear core meltdown. The nuclear power plant closed in 2019.
Timeline
Population History
- source: Source:Population of States and Counties of the United States: 1790-1990
| Census Year | Population
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| 1790 | 18,177
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| 1800 | 22,270
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| 1810 | 31,883
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| 1820 | 21,653
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| 1830 | 25,243
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| 1840 | 30,118
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| 1850 | 35,754
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| 1860 | 46,756
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| 1870 | 60,740
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| 1880 | 76,148
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| 1890 | 96,977
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| 1900 | 114,443
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| 1910 | 136,152
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| 1920 | 153,116
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| 1930 | 165,231
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| 1940 | 177,410
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| 1950 | 197,784
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| 1960 | 220,255
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| 1970 | 223,834
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| 1980 | 232,317
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| 1990 | 237,813
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Research Tips
External links
- Outstanding guide to Dauphin 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.
- Dauphin County Historical Society
- Dauphin County Township Maps
- http://dsf.pacounties.org/dauphin Broken Link, Not Obvious what was intended.
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