Beattie is a city in Marshall County, Kansas, United States.

[5] It is named for Armstrong Beattie, eighth Mayor of St. Joseph, Missouri.

[7] According to the United States Census Bureau, the city has a total area of 0.23 square miles (0.60 km2), all land.

[8] The 2020 United States census counted 197 people, 86 households, and 53 families in Beattie.

There were 89 housing units at an average density of 388.6 per square mile (150.1/km2).

33.7% of households consisted of individuals and 15.1% had someone living alone who was 65 years of age or older.

42.2% of all households were made up of individuals, and 21.1% had someone living alone who was 65 years of age or older.

35.5% of all households were made up of individuals, and 19.6% had someone living alone who was 65 years of age or older.

About 14.9% of families and 17.0% of the population were below the poverty line, including 10.9% of those under the age of eighteen and 11.1% of those 65 or over.

The community is served by Marysville USD 364 public school district.