|
|
- source: Getty Thesaurus of Geographic Names
- source: Family History Library Catalog
- the text in this section is copied from an article in Wikipedia
Johnson County is located in the U.S. state of Iowa. As of the 2020 census, the population was 152,854, making it the fourth-most populous county in Iowa. The county seat is Iowa City, home of the University of Iowa. Johnson County is included in the Iowa City metropolitan area, which is also included in the Cedar Rapids-Iowa City Corridor Combined Statistical Area.
Timeline
| Date | Event | Source
|
| 1837 | County formed | Source:Red Book: American State, County, and Town Sources
|
| 1839 | Court records recorded | Source:Red Book: American State, County, and Town Sources
|
| 1839 | Land records recorded | Source:Red Book: American State, County, and Town Sources
|
| 1839 | Marriage records recorded | Source:Red Book: American State, County, and Town Sources
|
| 1839 | Probate records recorded | Source:Red Book: American State, County, and Town Sources
|
| 1840 | First census | Source:Population of States and Counties of the United States: 1790-1990
|
| 1850 | No significant boundary changes after this year | Source:Population of States and Counties of the United States: 1790-1990
|
| 1880 | Birth records recorded | Source:Red Book: American State, County, and Town Sources
|
Population History
- source: Source:Population of States and Counties of the United States: 1790-1990
| Census Year | Population
|
| 1840 | 1,491
|
| 1850 | 4,472
|
| 1860 | 17,573
|
| 1870 | 24,898
|
| 1880 | 25,429
|
| 1890 | 23,082
|
| 1900 | 24,817
|
| 1910 | 25,914
|
| 1920 | 26,462
|
| 1930 | 30,276
|
| 1940 | 33,191
|
| 1950 | 45,756
|
| 1960 | 53,663
|
| 1970 | 72,127
|
| 1980 | 81,717
|
| 1990 | 96,119
|
Cemeteries
Cemeteries of Johnson County, Iowa, United States
Research Tips
External links
www.rootsweb.com/~iajohnso/
|
|
