Bennett is a city in Cedar County, Iowa, United States.

[3] According to the United States Census Bureau, the city has a total area of 0.20 square miles (0.52 km2), all land.

There were 163 housing units at an average density of 787.1 per square mile (303.9/km2).

There were 172 housing units at an average density of 860.0 per square mile (332.0/km2).

The racial makeup of the city was 97.5% White, 0.5% African American, 1.5% Asian, and 0.5% from two or more races.

25.0% of all households were made up of individuals, and 10.6% had someone living alone who was 65 years of age or older.

There were 163 housing units at an average density of 790.8 per square mile (305.3/km2).

The racial makeup of the city was 98.48% White, 0.51% Native American, 0.25% Asian, and 0.76% from two or more races.

23.6% of all households were made up of individuals, and 11.5% had someone living alone who was 65 years of age or older.