Waucoma is a city in Fayette County, Iowa, United States.

According to the United States Census Bureau, the city has a total area of 0.43 square miles (1.11 km2), all land.

[5] As of the census of 2020,[7] there were 229 people, 116 households, and 71 families residing in the city.

There were 123 housing units at an average density of 263.0 per square mile (101.5/km2).

There were 134 housing units at an average density of 311.6 per square mile (120.3/km2).

33.6% of all households were made up of individuals, and 14.8% had someone living alone who was 65 years of age or older.

There were 151 housing units at an average density of 350.4 per square mile (135.3/km2).

39.1% of all households were made up of individuals, and 21.7% had someone living alone who was 65 years of age or older.

About 5.5% of families and 15.5% of the population were below the poverty line, including none of those under the age of eighteen and 28.6% of those 65 or over.