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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
Blair County is a county located in the U.S. Commonwealth of Pennsylvania. As of the 2020 census, the population was 122,822. Its county seat is Hollidaysburg. The county was created on February 26, 1846, from parts of Huntingdon and Bedford counties.
Blair County comprises the Altoona, PA Metropolitan Statistical Area. It is also part of the Altoona-Huntingdon, PA Combined Statistical Area, which includes Blair and Huntingdon counties.
Timeline
Population History
- source: Source:Population of States and Counties of the United States: 1790-1990
Census Year | Population
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1850 | 21,777
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1860 | 27,829
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1870 | 38,051
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1880 | 52,740
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1890 | 70,866
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1900 | 85,099
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1910 | 108,858
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1920 | 128,334
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1930 | 139,840
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1940 | 140,358
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1950 | 139,514
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1960 | 137,270
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1970 | 135,356
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1980 | 136,621
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1990 | 130,542
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Research Tips
External links
- Outstanding guide to Blair 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.
http://blair.sapdc.org/
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