Braddock is a city in Emmons County, North Dakota, United States. The population was 18 at the 2020 census. Braddock was founded in 189…Braddock is a city in Emmons County, North Dakota, United States. The population was 18 at the 2020 census. Braddock was founded in 1898. According to the United States Census Bureau, the city has a total area of 0.25 square miles, all land.