Grenola is a city in Elk County, Kansas, United States.

At that time, the two rival cities of Green Field and Canola, which were three miles apart, relocated to the site of the railroad and merged.

[5][6] According to the United States Census Bureau, the city has a total area of 0.48 square miles (1.24 km2), all of it land.

[7] The climate in this area is characterized by hot, humid summers and generally mild to cool winters.

[8] The 2020 United States census counted 151 people, 76 households, and 39 families in Grenola.

44.7% of households consisted of individuals and 21.1% had someone living alone who was 65 years of age or older.

27.2% of all households were made up of individuals, and 13% had someone living alone who was 65 years of age or older.

29.4% of all households were made up of individuals, and 14.7% had someone living alone who was 65 years of age or older.

About 7.2% of families and 10.0% of the population were below the poverty line, including 3.9% of those under the age of eighteen and 19.6% of those 65 or over.

The community is served by Central USD 462 public school district.