See where Hall and Mosley stand on roads, growth and jobs. Names follow official Black Hawk County election filings. Certified results will appear here once the election office certifies the count. Iowa certifies the general election by November 30, 2026; county canvasses are due November 10. Official results: electionresults.iowa.gov.
Incumbent Democrat Tavis Hall faces Republican Corey Vincent Mosley, per Black Hawk County Elections' certified candidate list.
County commissioner. The county board is the county's legislative and, in most states, executive body. Commissioners adopt the county budget and property tax rate, oversee roads, the jail, public health, planning and zoning in unincorporated areas, and appoint or confirm department heads. In counties with an elected county executive or judge, the board's role is mainly the budget and ordinances.
This race. Elected by district: only voters who live in the district see this race on their ballot. The sitting officeholder, Tavis Hall, is on the ballot.
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Iowa › Black Hawk County › Black Hawk County Board of Supervisors District 4
This report is cited to the outlet that published it. We do not call races. Official running count: Iowa official results.
Reports are checked daily until Iowa certifies on November 30; a certified winner replaces the report on that day.
Top priorities
From the campaign site
Tavis Hall previously led Experience Waterloo and now serves as a Black Hawk County Supervisor, per his campaign site.
Corey Vincent Mosley appears on the November 3, 2026 ballot for Black Hawk County Board of Supervisors District 4, per the official candidate list. No campaign website was found as of September 22, 2026.
Who is running for Black Hawk County Board of Supervisors District 4 in 2026?
2 candidates were tracked for Black Hawk County Board of Supervisors District 4 on the November 3, 2026 ballot: Tavis Hall and Corey Vincent Mosley. Candidate information follows official Black Hawk County election filings; verify with the official election office linked below. See where they stand on roads, growth and jobs.
When is the Black Hawk County Board of Supervisors District 4 election in Iowa?
Election Day was Tuesday, November 3, 2026. Certified results will appear on this page as the election office certifies them. Iowa certifies the general election by November 30, 2026; county canvasses are due November 10. Official results: https://electionresults.iowa.gov/. Voting rules for Iowa are on the Iowa election hub at theballotbrief.com.
How do I see my exact Black Hawk County ballot?
Enter your ZIP code in the lookup at theballotbrief.com for the statewide and congressional races, or a full street address to add the county, city and district contests for that location.
Who won the Black Hawk County Board of Supervisors District 4 race?
Not yet reported by the outlets we checked; Iowa certifies on November 30. We do not call races.
Candidate roster from official Black Hawk County and state election office filings, last verified October 15, 2026. Bios and priorities carry their attribution inline.
Cross-check with the official Iowa election office, or see the full Black Hawk County sample ballot and your exact ballot by address.
16 tracked races in Black Hawk County, Iowa. Landed here from another county's search? Look up your own ballot below.