Oxford Junction is a city in Jones County, Iowa, United States.

Oxford Junction was platted in 1871, at the time the now-defunct railroad was built.

The town is named for its location at the junction of two branches of the Chicago, Milwaukee, St. Paul and Pacific Railroad.

[4] According to the United States Census Bureau, the city has a total area of 0.69 square miles (1.79 km2), all land.

There were 232 housing units at an average density of 358.1 per square mile (138.3/km2).

There were 262 housing units at an average density of 379.7 per square mile (146.6/km2).

The racial makup of the city was 99.0% White, 0.6% Native American, and 0.4% Asian.

There were 264 housing units at an average density of 374.7 per square mile (144.7/km2).

The racial makup of the city was 98.95% White, 0.17% Native American, 0.17% Asian, and 0.70% from two or more races.