Jefferson County Voter Records & Election Results (Missouri)

Search for free Jefferson County, MO Voter Records & Election Results, including Jefferson County election results, election calendars & ballots, voter registrations, voting districts & precincts, polling place locations, and more.

Jefferson County Voter Records & Election Results Offices

Get Voter Records & Election Results from 5 Offices in Jefferson County, MO

Jefferson County Board of Elections 729 Maple Street Hillsboro, MO 63050 636-797-5486 Directions

Jefferson County Clerk 729 Maple Street Hillsboro, MO 63050 636-797-5483 Directions

Arnold City Clerk 2101 Jeffco Boulevard Arnold, MO 63010 636-296-4308 Directions

Crystal City Clerk 130 Mississippi Avenue Crystal, MO 63019 636-937-4604 Directions

De Soto City Clerk 17 Boyd Street De Soto, MO 63020 636-586-3326 Directions

Jefferson County Voter Records & Election Results Databases

The Jefferson County Voter Records & Election Results (Missouri) links below open in a new window and will take you to third party websites that are useful for finding Jefferson County public records. Editorial staff monitor and update these links on a frequent basis.

Jefferson County Election Results https://www.jeffcomo.org/ElectionResults.aspx

Jefferson County Voter Registration https://www.sos.mo.gov/elections/goVoteMissouri/register.aspx

Jefferson County Voter Statistics

Data Source: U.S. Census Bureau; American Community Survey, 2017 ACS 5-Year Estimates.

Jefferson County Voting Age Population (Age 18+)
Female85,294
Male82,797
Voting Age Population168,091