Callahan County is located in the state of Texas and is part of the Abilene, Texas Metropolitan Statistical Area. The county seat is Baird.

Callahan County is governed by a four-member Commissioners Court, with each member representing one of four precincts. The county judge is elected at-large and serves as the chief administrator of the county. The other members of the court are elected from their respective precincts.

The county is served by the Callahan County Sheriff's Office, which is responsible for law enforcement and the operation of the county jail. The county is also served by the Callahan County Fire Marshal's Office, which is responsible for fire protection and prevention.

The county is served by the Callahan County Appraisal District, which is responsible for appraising all real and business personal property within the county. The district also collects taxes for the county, cities, and school districts.

The county is served by the Callahan County Emergency Management Office, which is responsible for coordinating emergency response and recovery efforts in the event of a disaster.

The county is served by the Callahan County Public Library System, which operates four libraries in the county.

The county is served by the Callahan County Historical Commission, which is responsible for preserving and promoting the county's history.

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