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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
Peoria County is located in the U.S. state of Illinois. The 2020 United States Census listed its population at 181,830. Its county seat is Peoria. Peoria County is part of the Peoria, IL Metropolitan Statistical Area.
History
- the text in this section is copied from an article in Wikipedia
Peoria County was formed in 1825 out of Fulton County. It was named for the Peoria, an Illiniwek people who lived there. It included most of the western valley of the Illinois River up to the Chicago river portage.
Gallery timeline
File:Peoria County Illinois 1825.png
Peoria County at creation, with unorganized territory attached to it. |
File:Peoria County Illinois 1826.png
Peoria County 1826–1827. The newly created Mercer and Warren Counties were temporarily attached to Peoria. [1] |
File:Peoria County Illinois 1827.png
Peoria County 1827–1830. The creation of Tazewell County left Peoria with only a small tract of unorganized territory east of the Illinois River, whose border was not defined. |
File:Peoria County Illinois 1830.png
In 1830, Warren County organized a government. |
File:Peoria County Illinois 1831.png
In 1831, Peoria County's present borders were established and Mercer County was attached to Warren. |
Timeline
| Date | Event | Source
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| 1818 | Land records recorded | Source:Red Book: American State, County, and Town Sources
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| 1825 | County formed | Source:Red Book: American State, County, and Town Sources
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| 1825 | Court records recorded | Source:Red Book: American State, County, and Town Sources
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| 1825 | Marriage records recorded | Source:Red Book: American State, County, and Town Sources
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| 1825 | Probate records recorded | Source:Red Book: American State, County, and Town Sources
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| 1840 | First census | Source:Population of States and Counties of the United States: 1790-1990
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| 1840 | No significant boundary changes after this year | Source:Population of States and Counties of the United States: 1790-1990
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| 1878 | Birth records recorded | Source:Red Book: American State, County, and Town Sources
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Population History
- source: Source:Population of States and Counties of the United States: 1790-1990
| Census Year | Population
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| 1840 | 6,153
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| 1850 | 17,547
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| 1860 | 36,601
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| 1870 | 47,540
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| 1880 | 55,355
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| 1890 | 70,378
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| 1900 | 88,608
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| 1910 | 100,255
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| 1920 | 111,710
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| 1930 | 141,344
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| 1940 | 153,374
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| 1950 | 174,347
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| 1960 | 189,044
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| 1970 | 195,318
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| 1980 | 200,466
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| 1990 | 182,827
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Note: In 1830 McDonough County was reported with Schuyler, and Peoria County was reported with Putnam.
Cemeteries
Cemeteries of Peoria County, Illinois, United States
Research Tips
External Links
- Outstanding guide to Peoria County family history and genealogy resources (FamilySearch Research Wiki). Birth, marriage, and death records, censuses, wills, deeds, county histories, cemeteries, churches, naturalizations, newspapers, libraries, and genealogical societies.
- www.co.peoria.il.us/
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