Mendon, Illinois Public Records

The Mendon Village Hall and the Adams County Economic Development Corporation work closely with entrepreneurs and business owners to support economic growth and development within the 62351 ZIP code region.

The Mendon Police Department, in close collaboration with the Adams County Sheriff's Office, is responsible for maintaining public safety and security within the village. Residents can obtain information about local law enforcement, including incident reports, arrest records, and inmate searches, by contacting the police department or the county sheriff's office. The Adams County Detention Center, operated by the sheriff's office, serves as the primary holding facility for individuals who have been arrested or are awaiting trial. Community members can inquire about the status of inmates or request copies of relevant criminal justice records through the appropriate law enforcement channels.

Mendon, Illinois voters are served by the Adams County Clerk's Office - Election Division, located at 521 Vermont Street, Quincy, IL 62301, phone (217) 277-2700, website www.adamscountyil.gov/departments/county-clerk. The County Clerk administers all federal, state, county, and local elections for Mendon residents including voter registration, early voting, absentee ballots, and precinct operations. Illinois residents may register to vote online through the Illinois State Board of Elections at www.elections.il.gov (online registration available through ova.elections.il.gov), or in person at the County Clerk's office or designated voter registration agencies. Registration must be completed 27 days before any election for eligibility to vote in that election. Valid driver's license, state ID, or last four digits of Social Security number are required. The Village of Mendon holds municipal elections for village president (mayor) and village trustees on a four-year cycle during consolidated election dates, typically the first Tuesday in April of odd-numbered years; the next Mendon municipal election is scheduled for April 2025, with candidate filing periods opening in December 2024. Voters can verify their polling place assignment and view sample ballots through the Illinois State Board of Elections website voter information portal or by contacting the Adams County Clerk. Election records publicly available under Illinois law include voter registration lists (with some personal information redacted for privacy), campaign finance disclosure reports filed by candidates and committees (available through the Illinois State Board of Elections), candidate petition filings, and precinct-level election results. In the November 2024 presidential election, Adams County reported approximately 63% voter turnout with roughly 41,000 registered voters casting approximately 25,800 ballots. For the November 3, 2026 general election, Mendon and Adams County voters will decide several significant races: the Illinois Governor race (J.B. Pritzker's term expires 2027, but gubernatorial elections are held in non-presidential even years, so next race is November 2026), U.S. Senate (no Illinois U.S. Senate seat is up in 2026 as both incumbents have terms extending beyond 2026 - next is 2028), Illinois 93rd State House District representative, Adams County Board seats, Adams County constitutional officers including Sheriff and State's Attorney, and potentially local township and village positions depending on Mendon's election schedule. Illinois voters may request vote-by-mail (absentee) ballots through written application to the County Clerk, online through the county website, or in person; applications must be received by the Thursday before Election Day for mail delivery or in-person on Election Day. Early voting is available at the Adams County Courthouse typically beginning 40 days before elections.