Morrowville is a city in Washington County, Kansas, United States.

[3] Morrowville was laid out and platted in 1884 when it was certain that the Missouri and Burlington Railroad would be extended to that point.

[5] According to the United States Census Bureau, the city has a total area of 0.14 square miles (0.36 km2), all land.

[6] The 2020 United States census counted 114 people, 59 households, and 38 families in Morrowville.

There were 70 housing units at an average density of 489.5 per square mile (189.0/km2).

30.5% of households consisted of individuals and 13.6% had someone living alone who was 65 years of age or older.

There were 90 housing units at an average density of 642.9 per square mile (248.2/km2).

26.7% of all households were made up of individuals, and 13.3% had someone living alone who was 65 years of age or older.

The racial makeup of the city was 98.21% White, 1.19% Native American, and 0.60% from two or more races.

38.4% of all households were made up of individuals, and 26.0% had someone living alone who was 65 years of age or older.

About 4.8% of families and 9.1% of the population were below the poverty line, including 15.9% of those under the age of eighteen and 7.4% of those 65 or over.