Berthold is a town in Ward County, North Dakota, United States.
According to the United States Census Bureau, the town has a total area of 0.37 square miles (0.96 km2), all land.
There were 178 housing units at an average density of 481.1 per square mile (185.8/km2).
The racial makup of the town was 98.7% White, 0.2% African American, and 1.1% from two or more races.
There were 181 housing units at an average density of 471.8 per square mile (182.2/km2).
Amtrak's Empire Builder, which operates between Seattle/Portland and Chicago, passes through the town on BNSF tracks, but makes no stop.
The nearest station is located in Minot, 24 miles (39 km) to the southeast.