Cullison is a city in Pratt County, Kansas, United States.

[3] Cullison was a station and shipping point on the Chicago, Rock Island and Pacific Railroad.

[5] A post office was opened in Cullison in 1885, and remained in operation until it was discontinued in 1967.

[6] According to the United States Census Bureau, the city has a total area of 0.17 square miles (0.44 km2), all of it land.

[7] The 2020 United States census counted 83 people, 26 households, and 19 families in Cullison.

26.9% of households consisted of individuals and 11.5% had someone living alone who was 65 years of age or older.

[9] The 2016-2020 5-year American Community Survey estimates show that the median household income was $38,750 (with a margin of error of +/- $24,907).

There were 13.0% of families and 9.9% of the population living below the poverty line, including no under eighteens and none of those over 64.

The community is served by Skyline USD 438 public school district.

Students attend schools located two miles west of Pratt.