Jacksonville URL: https://knowledge.ivjn.us/en/places/mo-jacksonville.html Jacksonville is a village in Laclede County, Missouri, United States. Jacksonville is a village in Laclede County, Missouri, United States.[^geonames] Updated: 2026-11-01 Relations: - Located in: Laclede County https://knowledge.ivjn.us/en/places/mo-laclede-county.html Sources: - GeoNames US dataset (US.txt / admin2Codes.txt) https://download.geonames.org/export/dump/US.zip