Oneida County

Oneida County
Rainbow Flowage, Oneida County; Photographer: Dan Brown
County Seat: Rhinelander

1 S. Oneida Avenue, PO Box 400

City: Rhinelander
Zip: 54501
Phone: 715-369-6143
Land Area: 1,124.5 sq. miles
Water Area: 111.38 sq. miles
Elevation: 1,554 ft. at Rhinelander; 1,735 ft. at Squirrel Hill
Number of Lakes: 1,129
Area in Lakes: 68,447 acres (106.95 sq miles)
Rivers: Little Rice, Little Somo, Pelican, Somo,Tomahawk, Willow, Wisconsin, Wolf
Major Watershed: Wisconsin River, Chippewa River (Northwest corner)
Geographical Province: Northern Highland

Central: White and red pines. Northwest and Southwest: jack pine and prairie grasses. West and Northeast: areas of maple, hemlock and yellow birch. Southeast and East Central: conifer swamp.


1930: 15,899
1970: 24,427
1980: 31,216
1990: 31,679
2000: 36,776
2010: 35,998
2020: 37,845

WCA District: North Central

Generative AI holds the potential to dramatically impact how county government conducts its business. The May 2024 #WisCounties delves into what generative AI is, its possibilities and its challenges. @NACoTweets

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