Green Lake County, Wisconsin

Founding: 1858
Parent county: Marquette

Namesake: Green Lake
Seat: Berlin (1858–1862); Green Lake (1862–)

Land area: 349 square miles

Population (2020): 19,018

Population (historic): 12,663 (1860); 14,483 (1880); 15,797 (1900); 13,913 (1930)

Periods of population growth: pre-1860–1900; 1930–2000

Subdivisions: Four cities; two villages; one CDP; ten towns

National Register listings: 16

Pre-1940 residences (estimated): 2,541 (23.7%)
Pre-1940 housing survival rate: 65.5%
Pre-1860 housing survival rate (1940): 12.4%

Farm housing in disrepair (1950): 3.5%

Nonfarm housing in disrepair (1950): 2.3%

Average farmhouse value (1930): $1,897
Average outbuilding value (1930): $2,392
Average farmhouse size (1940): 7.5 rooms
Number of farms (1920): 1,507
Average farm size (1920): 93.8 acres
Sources of settlement: Wisconsin, New York, Germany, Poland, and England
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Green Lake

Namesake: Green Lake

Founding: circa 1845 (founding as Dartford); 1847 (post office)

Population (2020): 1,001

Population (historic): 241 (1880); 450 (1900); 569 (1930)

Periods of population growth: pre-1880; 1890–1910; 1920–1980; 1990s; 2010s
Pre-1940 residences (estimated): 126 (18.6%)
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Outstanding Buildings

1. *Thomas McClelland Farm (1868). 404 Hillside Road. Berlin. Italianate.
2. *Robert Allen House (c. 1860). 2901 State Route 23. Brooklyn. Greek Revival.
3. *Friday Farm (c. 1855). 2316 County Road H. Green Lake. Greek Revival.
4. *Charles Sherwood Farm (c. 1855). 1842 Brave Road. Mackford. Greek Revival.