🇺🇸 Hillsboro is a city in Jefferson County, Missouri, United States. Hillsboro is the county seat of Jefferson County.
Hillsboro has a population of over 2,821 people. Hillsboro also forms the centre of the wider Jefferson County which has a population of over 226,739 people. Hillsboro is situated 35 km south-west of Arnold.
To set up a UBI Lab for Hillsboro see: https://www.ubilabnetwork.org Twitter: https://twitter.com/UBILabNetwork