Pennock is a city in Kandiyohi County, Minnesota, United States.

[4] Pennock was originally called Saint Johns, and under the latter name was laid out in 1871 when the railroad was extended to that point.

[5] A post office was established as Saint Johns in 1871, and the name was changed to Pennock in 1891.

[5] According to the United States Census Bureau, the city has a total area of 1.06 square miles (2.75 km2), all land.

14.9% of all households were made up of individuals, and 6.3% had someone living alone who was 65 years of age or older.

17.5% of all households were made up of individuals, and 4.8% had someone living alone who was 65 years of age or older.