Wilder is a city in Jackson County, Minnesota, United States.

[6] A post office was established in Wilder in 1886, and remained in operation until it was discontinued in 1991.

This allowed farm students to return home to assist with spring planting duties.

The Breck School in Wilder closed in 1909, and was reestablished in St Paul in 1916.

Franklin Clarence Mars known as Frank, attended the Breck School in Wilder, MN from 1899 to 1900.

32.0% of all households were made up of individuals, and 16% had someone living alone who was 65 years of age or older.

20.7% of all households were made up of individuals, and 10.3% had someone living alone who was 65 years of age or older.

There were 7.4% of families and 11.8% of the population living below the poverty line, including 15.8% of under eighteens and none of those over 64.

Wilder is located in Minnesota's 1st congressional district, represented by Republican Jim Hagedorn.