Epping is a city in Williams County, North Dakota, United States. The population was 100 at the 2010 census.
Epping was founded in 1905 along the transcontinental rail line of the Great Northern Railway. The name comes from the city of Epping in England.
Epping is located at 48°16′51″N 103°21′29″W (48.280762, -103.358139).
According to the United States Census Bureau, the city has a total area of 0.38 square miles (0.98 km2), all land.
As of the census of 2010, there were 100 people, 37 households, and 27 families residing in the city. The population density was 263.2 inhabitants per square mile (101.6/km2). There were 40 housing units at an average density of 105.3 per square mile (40.7/km2). The racial makeup of the city was 81.0% White, 11.0% Native American, 5.0% Asian, and 3.0% from two or more races.
There were 37 households, of which 37.8% had children under the age of 18 living with them, 67.6% were married couples living together, 2.7% had a female householder with no husband present, 2.7% had a male householder with no wife present, and 27.0% were non-families. 24.3% of all households were made up of individuals, and 5.4% had someone living alone who was 65 years of age or older. The average household size was 2.70 and the average family size was 3.26.
The median age in the city was 39.5 years.