Dalbo is the only township in Isanti County to be given a Swedish name.
Dalbo has definite immigrant ties to both Venjan and Älvdalen, in Dalarna.
There were 253 housing units at an average density of 7.1 per square mile (2.7/km2).
The racial makeup of the township was 98.90% White, 0.63% Asian, and 0.47% from two or more races.
19.1% of all households were made up of individuals, and 7.2% had someone living alone who was 65 years of age or older.