Morrill is a city in Brown County, Kansas, United States.

[3] Morrill was laid out in 1878 when the St. Joseph and Western Railroad was extended to that point.

[5] According to the United States Census Bureau, the city has a total area of 0.19 square miles (0.49 km2), all land.

[6] The 2020 United States census counted 218 people, 78 households, and 51 families in Morrill.

26.9% of households consisted of individuals and 10.3% had someone living alone who was 65 years of age or older.

The racial makeup of the city was 96.5% White, 1.3% Native American, and 2.2% from two or more races.

20.5% of all households were made up of individuals, and 8% had someone living alone who was 65 years of age or older.

The racial makeup of the city was 96.03% White, 1.44% African American, 0.36% Pacific Islander, and 2.17% from two or more races.

22.8% of all households were made up of individuals, and 6.9% had someone living alone who was 65 years of age or older.

About 24.7% of families and 34.0% of the population were below the poverty line, including 56.8% of those under the age of eighteen and none of those 65 or over.