Good Thunder is a city in Blue Earth County, Minnesota, United States, situated along the Maple River.

[6] When the railroad arrived in Minnesota, the town began as an agricultural commerce center.

Good Thunder was platted in April 1871, and named for a Winnebago chief (who was also known as Wakuntchapinka).

[7][8][9] Chief Good Thunder was well known to the early white towns people, and he had converted to Christianity.

[8][10] According to the United States Census Bureau, the city has a total area of 0.64 square miles (1.66 km2), all land.

Former State Highway 66; and County Roads 1 and 10 are three of the main routes in the community.Good Thunder is part of the Mankato–North Mankato Metropolitan Statistical Area.

24.2% of all households were made up of individuals, and 7.9% had someone living alone who was 65 years of age or older.