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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
Lake County is a county in the northeastern corner of the U.S. state of Illinois, on the shore of Lake Michigan. According to the 2010 census, it has a population of 703,462, which is an increase of 9.2% from 644,356 in 2000. Its county seat is Waukegan. The county is part of the Chicago metropolitan area. According to the 2000 Census, Lake County is the 31st richest county by per capita income. The lakefront communities of Lake Forest and Highland Park are part of the affluent North Shore area.
Originally part of McHenry County, the townships composing Lake County were carved out into a separate county in 1839.
Naval Station Great Lakes is located in the city of North Chicago in Lake County. It is the United States Navy's Headquarters Command for training, and the Navy's only recruit training center.
Timeline
| Date | Event | Source
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| 1836 | Marriage records recorded | Source:Red Book: American State, County, and Town Sources
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| 1839 | County formed | Source:Red Book: American State, County, and Town Sources
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| 1839 | Land records recorded | Source:Red Book: American State, County, and Town Sources
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| 1839 | Probate records recorded | Source:Red Book: American State, County, and Town Sources
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| 1840 | Court 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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| 1877 | 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 | 2,634
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| 1850 | 14,226
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| 1860 | 18,257
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| 1870 | 21,014
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| 1880 | 21,296
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| 1890 | 24,235
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| 1900 | 34,504
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| 1910 | 55,058
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| 1920 | 74,285
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| 1930 | 104,387
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| 1940 | 121,094
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| 1950 | 179,097
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| 1960 | 293,656
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| 1970 | 382,638
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| 1980 | 440,372
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| 1990 | 516,418
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Research Tips
External links
- Outstanding guide to Lake 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.rootsweb.com/~illake/
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