Jefferson County Seal
Jefferson County,
Missouri
Est. 1818
Photo of Rockford Beach Photo of Admin Building Photo of Annex Building Photo of Court House Photo of Soccer Game Photo of Detention Center Photo of Justice Center Photo of Law Enforcement Memorial Photo of Child Fishing Photo of Sheriff Dept Jail Photo of Sheriff East Zone building Photo of Sheriff North Zone building
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News and Events

2020 General Municipal County-wide Sample
June 2, 2020 General Municipal County-wide Sample Ballot
APRIL ELECTION CHANGED TO JUNE 2ND
General Municipal Election date has been changed to June 2, 2020.
August 4, 2020 Primary Candidate Filings
A list of candidates that have filed in the office of the Jefferson County Clerk for the August 4, 2020 Primary Election.
US Census 2020
Jefferson County, MO Counts US Census 2020
Warming Centers in Jefferson County
A list of local warming centers.