Bay Lake Township is a square of 6 miles per side, or 23,040 acres. Click here to see a map.
Total population as of the 2000 census was 923 people of which 458 were male, and 465 females.
Race statistics show 909 white, six American Indian, one Asian, and seven listed as "Other."
Minnesota Highway 6 and Minnesota Highway 18 are two of the main arterial routes in the township.
There were 421 households out of which 16.9% had children under the age of 18 living with them, 67.9% were married couples living together, 2.4% had a female householder with no husband present, and 27.1% were non-families. 24.5% of all households were made up of individuals and 10.7% had someone living alone who was 65 years of age or older. The average household size was 2.19 and the average family size was 2.59.
In the township the population was spread out with 17.1% under the age of 18, 1.6% from 18 to 24, 17.0% from 25 to 44, 37.7% from 45 to 64, and 26.5% who were 65 years of age or older.
The median age was 55 years. For every 100 females there were 98.5 males. For every 100 females age 18 and over, there were 101.8 males.
The median income for a household in the township was $42,596, and the median income for a family was $48,558. Males had a median income of $36,250 versus $26,563 for females. The per capita income for the township was $26,194. About 6.3% of families and 7.9% of the population were below the poverty line, including 14.5% of those under age 18 and 6.6% of those age 65 or over.