Waukesha County, Wisconsin

Founding: 1846
Parent county: Milwaukee
Namesake: Uncertain—perhaps a Pottawatomi word describing the Fox River
Seat: Waukesha (1846–)
Land area: 550 square miles
Population (2020): 406,978
Population (historic): 19,258 (1850); 28,274 (1870); 33,270 (1890); 37,100 (1910); 52,358 (1930)
Periods of population growth: pre-1850–2020
Subdivisions: Seven cities; 22 villages; two CDPs; eight towns
National Register listings: 162
Pre-1940 residences (estimated): 11,911 (6.8%)
Pre-1940 housing survival rate: 68.5%
Pre-1860 housing survival rate (1940): 14.1%

Farm housing in disrepair (1950): 5.8%

Nonfarm housing in disrepair (1950): 3.3%

Average farmhouse value (1930): $3,178
Average outbuilding value (1930): $3,338

Average farmhouse size (1940): 7 rooms

Number of farms (1920): 3,406
Average farm size (1920): 66.7 acres
Sources of settlement: Germany, New York, England, Wales, and Ireland
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Waukesha

 
Namesake: Uncertain—perhaps a Pottawatomi word describing the Fox River
Founding: circa 1835 (founding as Prairieville); 1842 (post office); 1846 (incorporation)
Population (2020): 71,158
Population (historic): 1,456 (1860); 2,969 (1880); 7,419 (1900); 17,176 (1930)
Periods of population growth: pre-1860–2020
Pre-1940 residences (estimated): 3,086 (10%)
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Outstanding Buildings

1. *George Daubner Farm (1866). 16680 North Avenue. Brookfield. Italianate.
2. *Michael Dousman House (c. 1843). 1075 Pilgrim Parkway. Brookfield. Greek Revival.
3. *Albert Campbell House (1847–1848). 3115 State Route 83. Delafield. Greek Revival.
4. *Jonathan Parsons House (1859). 9585 Road E. Eagle. Italianate.
5. *Ahira Hinkley Farm (1848). 7910 State Route 59. Eagle. Greek Revival.
6. *Charles Williams House (c. 1890). 823 Brandybrook Road. Genesee. Queen Anne.
7. *John Rankin Farm (1850). 29687 Saylesville Road. Genesee. Greek Revival.
8. *Michael Wick Farm (1879). 13449 Good Hope Road. Menomonee. Italianate.
9. *Johann Zimmer House (1865). 9390 Pilgrim Road. Menomonee. Italianate.
10. *John Molster House (1852). 6563 Dorn Road. Merton.
11. *St. Paul's Lutheran Church (1905). 14275 Janesville Road. Muskego. Gothic Revival.
12. *Henry Muehl House (c. 1890). 13382 Woods Road. Muskego. Stick.
13. *Carl Schauwitzer Farm (c. 1885). 17698 Woods Road. Muskego. Italianate.
14. *Henry Schreiber House (c. 1900). 4848 Calhoun Road. New Berlin. Queen Anne.
15. *Freewill Baptist Church (1859). 19750 National Road. New Berlin. Greek Revival.
16. *Albert Peck House (1884). 19985 National Road. New Berlin. Eastlake.
17. *Henry Schuttler House (1879). 371 Lisbon Road. Oconomowoc. Victorian Gothic.
18. *Albert Marshall House (c. 1860). 2812 Summit Road. Pewaukee. Greek Revival.
19. *George Cobb House (c. 1850). 1505 Golden Lake Road. Summit. Greek Revival.
20. *Alfred Castleman House (1844). 975 South Waterville Road. Summit. Greek Revival.
21. *Jesse Smith Farm (1847). 25620 Road L. Vernon. Greek Revival.