[4] As of the census[10] of 2000, 5,537 people, 1,604 households, and 1,220 families were residing in the county.

The 1,760 housing units had an average density of 1 per square mile (0.39/km2).

In ancestry, 21.0% were of German, 12.6% were of English, 12.3% were of Irish, 6.6% were of American, 4.3% were of French, 3.0% were of Scottish, and 3.0% were of Dutch.

The median income for a household in the county was $46,327, and for a family was $53,004.

Males had a median income of $29,783 versus $21,783 for females.