[3] The city is located along the north shore of Waconda Lake and Glen Elder State Park.

It is one of several places claiming to be home of the largest ball of twine in the world.

[7] According to tradition, Colonel E. H. Cawker won naming rights for the town with a winning hand at poker.

[10] The city previously served many families living on small farms.

A resident stated that Cawker City had three grocery stores in the 1960s.

[11] According to the United States Census Bureau, the city has a total area of 1.00 square mile (2.59 km2), all of it land.

[12] The city is located along the north shore of Waconda Lake.

The 2020 United States census counted 457 people, 215 households, and 110 families in Cawker City.

There were 292 housing units at an average density of 290.3 per square mile (112.1/km2).

46.5% of households consisted of individuals and 25.1% had someone living alone who was 65 years of age or older.

There were 315 housing units at an average density of 315.0 per square mile (121.6/km2).

41.8% of all households were made up of individuals, and 19.6% had someone living alone who was 65 years of age or older.

37.9% of all households were made up of individuals, and 21.5% had someone living alone who was 65 years of age or older.

The community is served by Waconda USD 272 public school district.