Westboro is a city in Lincoln Township, Atchison County, Missouri, United States.

According to the United States Census Bureau, the city has a total area of 0.25 square miles (0.65 km2), all land.

There were 71 housing units at an average density of 284.0 per square mile (109.7/km2).

23.2% of all households were made up of individuals, and 7.2% had someone living alone who was 65 years of age or older.

25.8% of all households were made up of individuals, and 9.1% had someone living alone who was 65 years of age or older.

About 7.3% of families and 8.4% of the population were below the poverty line, including 14.3% of those under the age of eighteen and none of those 65 or over.

The following year Westboro began to send junior high students to Tarkio as well.