Washington County, Wisconsin

Founding: 1845 (declared in 1836)
Parent counties: Brown and Milwaukee
Namesake: George Washington, U.S. president
Seat: Port Washington (1845–1853); West Bend (1853–)
Land area: 431 square miles
Population (2020): 136,761
Population (historic): 19,485 (1850); 23,919 (1870); 23,589 (1900); 26,551 (1930)
Periods of population growth: 1840–1870; 1890–2020
Subdivisions: Two cities; six villages; one CDP; 12 towns
National Register listings: 31
Pre-1940 residences (estimated): 6,231 (10.6%)
Pre-1940 housing survival rate: 80.4%
Pre-1860 housing survival rate (1940): 7.4%

Farm housing in disrepair (1950): 4.8%

Nonfarm housing in disrepair (1950): 2.9%

Average farmhouse value (1930): $2,732
Average outbuilding value (1930): $2,637

Average farmhouse size (1940): 7.5 rooms

Number of farms (1920): 2,799
Average farm size (1920): 62.3 acres
Sources of settlement: Germany, Ireland, and New York
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West Bend

 
Namesake: A reference to a bend in the Milwaukee River
Founding: 1845 (founding); 1848 (incorporation); 1885 (incorporation)
Population (2020): 31,752
Population (historic): 1,058 (1870); 1,296 (1890); 2,462 (1910); 4,760 (1930)
Periods of population growth: pre-1870–2020
Pre-1940 residences (estimated): 1,752 (12.2%)
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Outstanding Buildings

1. *St. John Catholic Church (1891). 1488 Highland Road. Farmington. Gothic Revival.
2. *St. Peter Catholic Church (1861). 1010 Newark Road. Farmington.
3. *Saxonia House (1855). 421 Road H. Farmington.
4. *Louis Schulze Farm (1875). 7854 Trading Post Road. Farmington. Italianate.
5. *Jacob Schunk House (1858/1870s). 15446 Donges Bay Road. Germantown. Greek Revival.
6. *Gottlieb Rusch House (c. 1845). 3030 Church Road. Jackson. Razed.
7. *Michael Spaeth House (1866). 4720 Road P. Jackson. Greek Revival.
8. *Gottlieb Krause House (c. 1848). 2030 Spring Valley Road. Jackson.
9. *Otto Backhaus House (1895). 9376 Old Fond du Lac Road. Kewaskum. Queen Anne.