Bellflower is a city in Montgomery County, Missouri, United States.

According to the U.S. Census Bureau, the city has a total area of 0.56 square miles (1.45 km2), all land.

[1] The East Branch of Brush Creek passes through the northwest corner of the city, flowing north to Brush Creek, a tributary of the Cuivre River.

There were 187 housing units at an average density of 333.9 per square mile (128.9/km2).

21.1% of all households were made up of individuals, and 9.1% had someone living alone who was 65 years of age or older.

17.1% of all households were made up of individuals, and 6.4% had someone living alone who was 65 years of age or older.