Polo is a city in southwest Caldwell County, Missouri, and is part of the Kansas City metropolitan area with the United States.

[9] As of the census[11] of 2010, there were 575 people, 229 households, and 136 families residing in the city.

There were 256 housing units at an average density of 412.9 per square mile (159.4/km2).

33.6% of all households were made up of individuals, and 17% had someone living alone who was 65 years of age or older.

As of the census[3] of 2000, there were 582 people, 239 households, and 150 families residing in the city.

There were 262 housing units at an average density of 453.0 per square mile (174.9/km2).

31.4% of all households were made up of individuals, and 17.2% had someone living alone who was 65 years of age or older.