Crystal Bay Township, Minnesota
Township
Crystal Bay Township, Minnesota Location within the state of Minnesota Show map of Minnesota Crystal Bay Township, Minnesota Crystal Bay Township, Minnesota (the United States) Show map of the United States
Coordinates: 47°34′35″N 91°13′6″W / 47.57639°N 91.21833°W / 47.57639; -91.21833
Country	United States
State	Minnesota
County	Lake
Area
• Total	210.2 sq mi (544.5 km2)
• Land	203.7 sq mi (527.5 km2)
• Water	6.6 sq mi (17.0 km2)
Elevation	1,804 ft (550 m)
Population  (2000)
• Total	607
• Density	3.0/sq mi (1.2/km2)
Time zone	UTC-6 (Central (CST))
• Summer (DST)	UTC-5 (CDT)
FIPS code	27-14194[1]
GNIS feature ID	0663903[2]
Website	https://crystalbaytownship.org

Crystal Bay Township is a township in Lake County, Minnesota, United States. The population was 607 at the 2000 census.

Crystal Bay Township was organized in 1904, and named after Crystal Bay.^[3]

According to the United States Census Bureau, the township has a total area of 210.2 square miles (544 km²), of which 203.7 square miles (528 km²) is land and 6.6 square miles (17 km²) (3.12%) is water.

As of the census^[1] of 2000, there were 607 people, 235 households, and 165 families residing in the township. The population density was 3.0 inhabitants per square mile (1.2/km²). There were 350 housing units at an average density of 1.7 per square mile (0.66/km²). The racial makeup of the township was 98.68% White, 0.33% African American, 0.16% Asian, 0.66% from other races, and 0.16% from two or more races. Hispanic or Latino of any race were 1.15% of the population.

There were 235 households, out of which 35.3% had children under the age of 18 living with them, 59.6% were married couples living together, 6.4% had a female householder with no husband present, and 29.4% were non-families. 25.1% of all households were made up of individuals, and 7.2% had someone living alone who was 65 years of age or older. The average household size was 2.58 and the average family size was 3.11.

In the township the population was spread out, with 27.8% under the age of 18, 8.7% from 18 to 24, 31.1% from 25 to 44, 23.1% from 45 to 64, and 9.2% who were 65 years of age or older. The median age was 36 years. For every 100 females, there were 104.4 males. For every 100 females age 18 and over, there were 108.6 males.

The median income for a household in the township was $35,000, and the median income for a family was $42,917. Males had a median income of $42,031 versus $21,429 for females. The per capita income for the township was $14,161. About 7.6% of families and 9.7% of the population were below the poverty line, including 7.6% of those under age 18 and 22.1% of those age 65 or over.