[3] The township contains the census-designated place of Martin Lake and the unincorporated village of Linwood.

Linwood Township is the only area of Anoka County that is not an incorporated city.

County Road 22 serves as one of the main routes in the community.

13.3% of all households were made up of individuals, and 2.2% had someone living alone who was 65 years of age or older.

The original homesteading families were the Broadbents, Carlisles, Clarks, and Browns.