It was named for John Blair Smith Todd, who was a delegate from Dakota Territory to the United States House of Representatives, and general in the Union Army during the American Civil War.

The book includes histories of Todd County Villages, townships, and forgotten post offices, among other items.

[4] The Crow Wing River flows southeastward along the northeastern border of Todd County.

The county terrain consists of rolling hills, dotted with lakes and etched with drainages.

[6] The terrain slopes to the east and south, with its highest point on the west border at 1,483 ft (452 m) ASL.

26.30% of all households were made up of individuals, and 13.00% had someone living alone who was 65 years of age or older.

[16] It is home to five different Amish communities, with altogether seven church districts in 2013, which indicates a total population of about 1000 people.