The main aim of the County Administrative Board is to fulfill the goals set in national politics by the Riksdag and the Government, to coordinate the interests and promote the development of the county, to establish regional goals and safeguard the due process of law in the handling of each case. The County Administrative Board is a Government Agency headed by a Governor. The seat of residence for the Governor or Landshövding is the town of Jönköping. See the List of Jönköping Governors.
Jönköping was formally granted its arms in 1942. By custom it used a combination of the lesser state arms of Sweden and the arms for the town of Jönköping. Blazon for the town of Jönköping: "Gules, a Castle with three towers Argent massoned windowed and gated Sable issuant from a Base wavy Azure".