Polk County
Alden, Polk County; Photographer: Kristina Worm
County Seat:
Balsam Lake
Address:
100 Polk County Plaza
City:
Balsam Lake
Zip:
54810
Phone:
715-485-9226
Website:
http://www.co.polk.wi.us/
Land Area:
917.3 sq. miles
Elevation:
1,155 ft. at Balsam Lake
Number of Lakes:
437
Area in Lakes:
20,900 acres (32.66 sq. miles)
Rivers:
Apple, Clam, St. Croix, Straight, Trade, Willow, Wood
Major Watershed:
St. Croix River
Geographical Province:
South: Western Upland; Central and North: Central Plain
Vegetation:
Northwest corner: Jack pine and prairie grasses; willow, soft maple and ash along St Croix River. West: Sugar maple, basswood and elm. Central and East: Maple, hemlock and yellow birch. Southwest: White, black and red oak. East Central: Area of white and red pine.
Population:
1930: 26,567
1970: 26,666
1980: 32,351
1990: 34,773
2000: 41,319
2010: 44,205
2020: 44,977
WCA District:
Northwest