Osnabrock is a city in Cavalier County, North Dakota, United States.

It was named after Osnabruck, Ontario, the home town of its first postmaster, James T.

"[6] According to the United States Census Bureau, the city has a total area of 0.30 square miles (0.78 km2), all land.

The racial makeup of the city was 96.3% White, 2.2% Native American, and 1.5% from two or more races.

27.5% of all households were made up of individuals, and 11.7% had someone living alone who was 65 years of age or older.

The racial makeup of the city was 95.98% White, 2.30% Native American, and 1.72% from two or more races.

About 2.7% of families and 6.8% of the population were below the poverty line, including 10.6% of those under the age of eighteen and 12.1% of those 65 or over.