Deerfield is a village in Vernon County, Missouri, United States.

[6] Deerfield is located on US Route 54 approximately seven miles west of Nevada.

The Marmaton River flows past along the north side of Route 54 and Dry Wood Creek flows past the east side of the town to enter the Marmaton approximately one mile northeast.

[7] According to the United States Census Bureau, the village has a total area of 0.10 square miles (0.26 km2), all land.

The racial makeup of the village was 95.1% White, 1.2% Native American, 1.2% Asian, and 2.5% from two or more races.

There were no families and 9.3% of the population living below the poverty line, including 15.0% of under eighteens and 35.7% of those over 64.