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3 Cities and towns
Geography\nAccording to the U.S. Census Bureau, the county has a total area of 2,809 km² (1,085 mi²). 887 km² (343 mi²) of it is land and 1,921 km² (742 mi²) of it is water. The total area is 68.41% water.
Demographics\nAs of the census2 of 2000, there are 20,187 people, 7,623 households, and 5,549 families residing in the county. The population density is 23/km² (59/mi²). There are 8,221 housing units at an average density of 9/km² (24/mi²). The racial makeup of the county is 98.56% White, 0.15% Black or African American, 0.27% Native American, 0.13% Asian, 0.00% Pacific Islander, 0.30% from other races, and 0.57% from two or more races. 0.76% of the population are Hispanic or Latino of any race.
There are 7,623 households out of which 33.50% have children under the age of 18 living with them, 62.40% are married couples living together, 6.60% have a female householder with no husband present, and 27.20% are non-families. 23.50% of all households are made up of individuals and 11.80% have someone living alone who is 65 years of age or older. The average household size is 2.61 and the average family size is 3.10.
In the county, the population is spread out with 25.80% under the age of 18, 8.00% from 18 to 24, 28.20% from 25 to 44, 22.80% from 45 to 64, and 15.20% who are 65 years of age or older. The median age is 38 years. For every 100 females there are 100.60 males. For every 100 females age 18 and over, there are 98.80 males.
Cities and towns\n*Ahnapee\n*Algoma\n*Carlton\n*Casco\n*Franklin\n*Kewaunee\n*Lincoln\n*Luxemburg\n*Montpelier\n*Pierce\n*Red River\n*West Kewaunee