Government, Education & Individuals Government, Education & Individuals 38.2284541,-90.5657526,Jefferson County Clerk 38.4547235,-90.5361262,Jefferson County Library 38.220504,-90.377319,Jefferson County Port Authority 38.4253499,-90.401953,Missouri State Senator, District 22 {Directory Results} Search Radius... 1 mi 5 mi 10 mi 50 mi 100 mi Government, Education & Individuals Results: 4 Jefferson County Clerk Jefferson County Clerk 729 Maple Street, PO Box 100, Hillsboro, MO 63050 (636) 797-5483 Jefferson County Library 5678 Missouri PP, High Ridge, MO 63049-2901 (636) 677-8689 Send Email Jefferson County Port Authority 114 Mississippi Ave., Crystal City, MO 63019 636-232-0472 Visit Website Missouri State Senator, District 22 Missouri State Senator, District 22 1020 Sable Lane, Arnold, MO 63010 314-629-4980 Send Email Powered By GrowthZone