Noonan is a city in Divide County, North Dakota, United States.

[3] Noonan was founded in 1907 and named after a family that had business, farm, and coal interests in the area.

The racial makeup of the city was 95.9% White, 1.7% Native American, 1.7% Asian, and 0.8% from two or more races.

53.9% of all households were made up of individuals, and 30.3% had someone living alone who was 65 years of age or older.

About 7.1% of families and 14.8% of the population were below the poverty line, including none of those under the age of eighteen and 24.4% of those 65 or over.

[8] In March 2014, news reports indicated that the town included an illegal dump of radioactive mining waste.

An abandoned gas station was found to contain hundreds of "filter socks ... used to capture the solids in flowback water during hydraulic fracturing", which trap naturally-occurring radioactive debris.