Polk County

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
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

WCA District: Northwest