Grayson County is located in the north-central part of Texas and is part of the Texoma region. It is bordered by Fannin County to the east, Collin County to the north, Cooke County to the west, and Denton County to the south. The county seat is Sherman.

The county is governed by a five-member Commissioners Court, which is composed of the county judge and four commissioners. The county judge is the presiding officer of the court and is elected county-wide. The four commissioners are elected from single-member districts.

The county is served by the Grayson County Sheriff's Office, which is responsible for law enforcement and the operation of the county jail. The county is also served by the Grayson County District Attorney's Office, which is responsible for prosecuting criminal cases.

Grayson County is part of the Texoma Council of Governments, which is a voluntary association of local governments in the Texoma region. The county is also part of the North Central Texas Council of Governments, which is a regional planning organization.

The county is served by the Sherman Independent School District, which is the largest school district in the county. The county is also served by the Denison Independent School District, the Pottsboro Independent School District, and the Whitesboro Independent School District.

For the most up-to-date and in-depth information, please check the public records links below.