[3] Big Lake's geographical location is in a corridor placing it 30 minutes from St.

As of the census[1] of 2000, there were 6,785 people, 2,106 households, and 1,821 families residing in the township.

There were 2,165 housing units at an average density of 51.2 per square mile (19.8/km2).

The racial makeup of the township was 98.31% White, 0.18% African American, 0.24% Native American, 0.37% Asian, 0.12% Pacific Islander, 0.35% from other races, and 0.44% from two or more races.

8.7% of all households were made up of individuals, and 2.0% had someone living alone who was 65 years of age or older.