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

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); 1871 (incorporation)

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.

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