Shelby is a civil township of Oceana County in the U.S. state of Michigan.

As of the census[1] of 2000, there were 3,951 people, 1,388 households, and 1,059 families residing in the township.

There were 1,502 housing units at an average density of 41.7 per square mile (16.1/km2).

The racial makeup of the township was 86.84% White, 0.10% African American, 1.11% Native American, 0.08% Asian, 0.10% Pacific Islander, 9.64% from other races, and 2.13% from two or more races.

20.7% of all households were made up of individuals, and 11.7% had someone living alone who was 65 years of age or older.