Clifford is a city in Traill County, North Dakota, United States.

According to the United States Census Bureau, the city has a total area of 0.14 square miles (0.36 km2), all land.

There were 23 housing units at an average density of 164.3 per square mile (63.4/km2).

47.6% of all households were made up of individuals, and 28.5% had someone living alone who was 65 years of age or older.

There were 26 housing units at an average density of 187.1 per square mile (72.2/km2).

28.6% of all households were made up of individuals, and 9.5% had someone living alone who was 65 years of age or older.