| Official Name: | Beaver Bay Township, Minnesota |
| Settlement Type: | Township |
| Pushpin Map: | Minnesota#USA |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location within the state of Minnesota |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Minnesota |
| Subdivision Type2: | County |
| Subdivision Name2: | Lake |
| Established Title: | Organized |
| Established Date: | 1885 |
| Unit Pref: | Imperial |
| Area Total Km2: | 363.1 |
| Area Land Km2: | 358.9 |
| Area Water Km2: | 4.2 |
| Area Total Sq Mi: | 140.2 |
| Area Land Sq Mi: | 138.6 |
| Area Water Sq Mi: | 1.6 |
| Population As Of: | 2020 |
| Population Est: | 523 |
| Pop Est As Of: | 2021 |
| Population Total: | 517 |
| Population Density Km2: | 1.6 |
| Population Density Sq Mi: | 4.2 |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation M: | 484 |
| Elevation Ft: | 1588 |
| Coordinates: | 47.3292°N -91.3125°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 55601 |
| Area Code: | 218 |
| Blank Name: | FIPS code |
| Blank Info: | 27-04474[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 0663540[2] |
Beaver Bay Township is a township in Lake County, Minnesota, United States. The population was 517 at the 2020 census.[3]
State Highways 1 and 61 are two of the main routes in the township.
Beaver Bay Township was organized in 1885, and named after Beaver Bay, Minnesota.[4]
According to the United States Census Bureau, the township has a total area of 140.2sqmi, of which 138.6sqmi is land and 1.6sqmi (1.16%) is water.
As of the census of 2020, the population was 517 people, 400 households residing in the township. The population density was 2.5 people per square mile. There were 456 housing units at an average density with 95% owner occupied and 58% vacant. The racial makeup of the township was 94% White, 5% Hispanic and 1% from two or more races.
Of the 193 households, 76% of were married couples living together, 8% had a female householder and 15% were non-families. The average household size was 1.8 persons per household.
The median age was 63.7 years and 51% of the population was age18-64. 1% of the population were under 18 years of age, 51% from 18 40n 64 years of age and 48% were 65 years of age or older. For every 100 females, there were 104.9 males. The population was 56% female and 44% male.
The median household income was $84,861 and the median per capita income was $51,144. About 5.5% of people were below the poverty line, including 5.3% 8% of those age 65 or over.