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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
Mercer County is a county located in the U.S. state of Pennsylvania. As of 2010, the population was 116,638. Its county seat is Mercer; Hermitage is its largest city.
Mercer County was part of the Sharon MSA as designated by the U.S. Census Bureau until the 2000 census, when it was appended to the Youngstown-Warren-Boardman, OH-PA MSA.
Timeline
Population History
- source: Source:Population of States and Counties of the United States: 1790-1990
| Census Year | Population
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| 1800 | 3,228
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| 1810 | 8,277
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| 1820 | 11,681
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| 1830 | 19,729
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| 1840 | 32,873
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| 1850 | 33,172
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| 1860 | 36,856
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| 1870 | 49,977
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| 1880 | 56,161
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| 1890 | 55,744
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| 1900 | 57,387
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| 1910 | 77,699
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| 1920 | 93,788
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| 1930 | 99,246
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| 1940 | 101,039
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| 1950 | 111,954
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| 1960 | 127,519
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| 1970 | 127,175
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| 1980 | 128,299
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| 1990 | 121,003
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Research Tips
External links
- Outstanding guide to Mercer 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.mcc.co.mercer.pa.us/
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