Fond du Lac County, Wisconsin

Founding: 1844 (declared in 1836)
Parent county: Brown
Namesake: The city of Fond du Lac
Seat: Fond du Lac (1844–)
Land area: 720 square miles
Population (2020): 104,154
Population (historic): 14,510 (1850); 46,273 (1870); 44,088 (1890); 51,610 (1910); 59,883 (1930)
Periods of population growth: 1840–1880; 1890–2020
Subdivisions: Two cities; nine villages; three CDPs; 21 towns
National Register listings: 52
Pre-1940 residences (estimated): 10,958 (23.9%)
Pre-1940 housing survival rate: 68.7%
Pre-1860 housing survival rate (1940): 9.2%

Farm housing in disrepair (1950): 6.7%

Nonfarm housing in disrepair (1950): 4.1%

Average farmhouse value (1930): $2,597
Average outbuilding value (1930): $3,099

Average farmhouse size (1940): 7.7 rooms

Number of farms (1920): 4,190
Average farm size (1920): 76.7 acres
Sources of settlement: Germany, New York, Ireland, Canada, and Holland
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Fond du Lac

 
Namesake: A reference to the city's location at the south end of Lake Winnebago
Founding: 1836 (platting); 1837 (post office); 1847 (incorporation)
Population (2020): 44,678
Population (historic): 5,460 (1860); 13,094 (1880); 15,110 (1900); 26,449 (1930)
Periods of population growth: pre-1860–1880; 1890–2020
Pre-1940 residences (estimated): 5,406 (27.2%)
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Outstanding Buildings

1. *Zion Congregational Church (1858). 4042 Amity Road. Alto. Greek Revival.
2. *St. John Lutheran Church (1870). 683 Road S. Auburn. Gothic Revival.
3. *Uriah Stroup Farm (c. 1870). 6119 Lost Arrow Road. Byron. Italianate.
4. *St. Mary Catholic Church (1880). 10232 Road G. Calumet. Romanesque.
5. *St. Mary School (1918). 10232 Road G. Calumet. English Gothic.
6. *Elihu Phillips House (c. 1855). 6579 Road K. Empire. Gothic Revival.
7. *John Macy House (c. 1855). 5610 US Highway 45. Empire. Italianate.
8. *John Martin House (c. 1850). 745 Martin Avenue. Fond du Lac. Greek Revival.
9. *Edwin Galloway House (1868–1880). 336 Old Pioneer Road. Fond du Lac. Italianate.
10. *James Wright Farm (c. 1860). 4999 Road T. Fond du Lac. Gothic Revival.
11. *Henry Hitt House (c. 1875). 360 Oak Street. Oakfield. Italianate.
12. *Alexander Beardsley Farm (c. 1855). 12383 State Route 23. Ripon. Italianate.
13. *Solomon Wedge Farm (c. 1855). 4547 Brown Road. Waupun.