Fennimore is a city in Grant County, Wisconsin, United States.

Fennimore was named for a settler who disappeared during the Black Hawk War.

[7] According to the United States Census Bureau, the city has a total area of 1.62 square miles (4.20 km2), all of it land.

[8] As of the census[10] of 2010, there were 2,497 people, 1,053 households, and 647 families living in the city.

There were 1,145 housing units at an average density of 706.8 per square mile (272.9/km2).

32.0% of all households were made up of individuals, and 13.9% had someone living alone who was 65 years of age or older.

32.0% of all households were made up of individuals, and 16.8% had someone living alone who was 65 years of age or older.