Grant County Sheriff’s Office is located directly east of the Grant County Courthouse on First Street in Medford, Oklahoma. The building constructed in 1937 houses the offices of the sheriff and deputies as well as a dispatch center and a 39 bed jail.

In support of the communities we serve – We value the public: family and friends, professionals and community partners we serve by maintaining the confidence that the public has placed upon us. We do this by providing a safe and secure community through supplying professional , cost-effective services aimed at having a positive impact on our community and on the persons we detain while maintaining a safe, secure and humane facility.


The county has a total area of 1,004 square miles (2,600 sq km), of which 1,001 square miles (2,590 sq km) is land and 2.7 square miles (7.0 sq km) (0.3%) is water. Most of the county is drained by the Salt Fork of the Arkansas River and its tributaries (Pond, Deer, Osage, and Crooked creeks). The Chikaskia River flows southeast from Kansas into the county’s northeastern corner, then crosses east into Kay County.

The county is by the U.S. state of Kansas on the north, specifically Sumner County, Kansas, and Harper County, Kansas. Adjacent counties in Oklahoma are Kay County to the east, Garfield County to the south, and Alfalfa County to the west.