Northboro is a city in Page County, Iowa, United States.

[5] According to the United States Census Bureau, the city has a total area of 0.26 square miles (0.67 km2), all land.

There were 35 housing units at an average density of 137.7 per square mile (53.2/km2).

There were 30 housing units at an average density of 115.4 per square mile (44.6/km2).

28.0% of all households were made up of individuals, and 8% had someone living alone who was 65 years of age or older.

24.0% of all households were made up of individuals, and 20.0% had someone living alone who was 65 years of age or older.

There were no families and 1.5% of the population living below the poverty line, including no under eighteens and none of those over 64.

[11] In season two episode eight of the HBO drama television series The Leftovers (International Assassin), Senator Patti Levin recounts being given an abandoned baby at her presidential campaign event in Northboro.