COUNTIES Adams: Founded in 1799. County seat is Natchez. Jefferson: Founded in 1799. County seat is Fayette. Claiborne: Founded in 1802. County seat is Port Gibson. Wilkinson: Founded in 1802. County seat is Woodville. Amite: Founded in 1809. County seat is Liberty. Franklin: Founded in 1809. County seat is Meadville. Warren: Founded in 1809. County seat is Vicksburg. THE LOWER RIVER ሖሗመ Return to Table of Contents