Colusa County is located in the Central Valley of California and is part of the Sacramento Valley. The county seat is Colusa. The county has a total area of 1,156 square miles, of which 1,151 square miles is land and 5.6 square miles is water.

The county government is composed of five elected supervisors, a county administrator, and various other appointed officials. The county is governed by a Board of Supervisors, which meets twice a month. The Board of Supervisors is responsible for setting policy, approving the budget, and making decisions on county programs and services.

The county is served by the Colusa County Sheriff's Office, which is responsible for law enforcement and public safety. The Colusa County Fire Department provides fire protection and emergency medical services. The county also has a public health department, which provides health services to the community.

Colusa County is home to several state parks, including Colusa-Sacramento River State Park, Colusa National Wildlife Refuge, and Colusa County Park. The county is also home to several wineries and vineyards.

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