New London is a city in Henry County, Iowa, United States.

[5] According to the United States Census Bureau, the city has a total area of 1.01 square miles (2.62 km2), all land.

There were 835 housing units at an average density of 802.1 per square mile (309.7/km2).

Hispanic or Latino persons of any race comprised 2.0% of the population.

There were 830 housing units at an average density of 821.8 per square mile (317.3/km2).

27.6% of all households were made up of individuals, and 11% had someone living alone who was 65 years of age or older.

There were 846 housing units at an average density of 840.7 per square mile (324.6/km2).

27.3% of all households were made up of individuals, and 12.3% had someone living alone who was 65 years of age or older.