Cedar County, Iowa

Founding: 1837
Parent county: Dubuque

Namesake: The Cedar River
Seat: Rochester (1837–1841); Tipton (1841–)

Land area: 579 square miles

Population (2020): 18,505

Population (historic): 3,941 (1850); 19,731 (1870); 18,253 (1890); 17,765 (1910); 16,760 (1930)

Periods of population growth: pre-1850–1870; 1890s; 1930–1960; 1970s; 1990–2020

Subdivisions: Nine cities; one CDP; 17 townships

National Register listings: 18

Pre-1940 residences (estimated): 2,954 (36%)
Pre-1940 housing survival rate: 63.7%
Pre-1860 housing survival rate (1940): 8.4%

Farm housing in disrepair (1950): 3.2%

Nonfarm housing in disrepair (1950): 5.4%

Average farmhouse value (1930): $2,760
Average outbuilding value (1930): $3,690
Average farmhouse size (1940): 7.4 rooms
Number of farms (1920): 2,212
Average farm size (1920): 139 acres
Sources of settlement: Ohio, Pennsylvania, Germany, New York, and Ireland
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Tipton

Namesake: John Tipton, Indiana politician

Founding: 1840 (platting); 1840 (post office); 1857 (incorporation)

Population (2020): 3,149

Population (historic): 252 (1850); 1,246 (1870); 1,599 (1890); 2,048 (1910); 2,145 (1930)

Periods of population growth: pre-1850–1900; 1910–1980; 1990–2010
Pre-1940 residences (estimated): 490 (33.8%)
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Outstanding Buildings

1. *Hannah Hall House (1854). 1285 Garfield Road. Cass. Greek Revival.
2. Alexander Buchanan House (1883–1885). 726 Green Road. Center. Italianate/Eastlake.
3. Charles Nebergall Farm (1909). 1706 Old Muscatine Road. Center. Queen Anne.
4. *William Maxson House (c. 1855). 1779 Hayes Road. Iowa. Greek Revival. Razed.
5. James Cameron Farm (1868). 305 Old Lincoln Highway. Pioneer. Italianate.
6. *West Branch Friends Meeting House (1857). 210 Parkside Drive. Springdale. Greek Revival.