Menlo is a city in Guthrie County, Iowa, United States.

[4] According to the United States Census Bureau, the city has a total area of 0.47 square miles (1.22 km2), all land.

There were 158 housing units at an average density of 350.8 per square mile (135.5/km2).

There were 161 housing units at an average density of 342.6 per square mile (132.3/km2).

34.0% of all households were made up of individuals, and 13.6% had someone living alone who was 65 years of age or older.

There were 161 housing units at an average density of 343.9 per square mile (132.8/km2).

26.4% of all households were made up of individuals, and 13.9% had someone living alone who was 65 years of age or older.

Menlo is within the West Central Valley Community School District.

The former was established on July 1, 1971 by the merger of the Stuart and Menlo school districts.