2000 census
At the census [10] of 2000, 36,776 people, 15,333 households, and 10,487 families resided in the county. The population density was 33 people per square mile (13 people/km2). The 26,627 housing units averaged 24 units per square mile (9.3 units/km2). The racial makeup of the county was 97.71% White, 0.33% Black or African American, 0.66% Native American, 0.30% Asian, 0.05% Pacific Islander, 0.21% from other races, and 0.75% from two or more races. About 0.66% of the population was Hispanic or Latino of any race. The ancestry of the population was around 44.4% was of German, 8.8% Polish, 7.9% Irish, 5.2% Norwegian, and 5.2% English.
Of the 15,333 households, 27.00% had children under the age of 18 living with them, 57.80% were married couples living together, 7.10% had a female householder with no husband present, and 31.60% were not families. About 26.40% of all households were made up of individuals, and 12.00% had someone living alone who was 65 years of age or older. The average household size was 2.34 and the average family size was 2.82.
In the county, the population was distributed as 22.30% under the age of 18, 5.70% from 18 to 24, 26.50% from 25 to 44, 26.80% from 45 to 64, and 18.70% who were 65 years of age or older. The median age was 42 years. For every 100 females, there were 99.20 males. For every 100 females age 18 and over, there were 97.30 males.
In 2017, there were 324 births, giving a general fertility rate of 66.2 births per 1000 women aged 15–44, the 24th highest rate out of all 72 Wisconsin counties. [11]
United States
Wisconsin 
