Mission The mission of the Hall County Sheriff’s Office is to preserve a safe environment for all the populace, and to serve the people in all components of the civil and criminal justice systems by effectively, efficiently and fairly enforcing law. Hall County is located in central Nebraska. It covers 550 square miles and has a population of 58,814. The county seat is Grand Island. Other villages within Hall County include: Alda, Cairo, Doniphan and Wood River. The Hall County Sheriff's Office and the Grand Island Police Department are located at a shared location, The Law Enforcement Center constructed in 2008. The Sheriff's Office responds to calls 24 hours a day. The Sheriff holds an elected office, which is voted on by the citizens of the county. The Sheriff is elected to a four year term and he or she may serve additional terms if re-elected by the citizens. Jerry Watson is the 31st Sheriff to serve Hall County and took office in January 1999. Opinions expressed by visitors to this page do not reflect the opinions of the Hall County Sheriff's Department. Content posted or submitted for posting is subject to public disclosure.