Wagoner County, Oklahoma

Oklahoma House District 12

2 candidates are tracked for Oklahoma House District 12, headed to a November 3, 2026 runoff: Mark Chapman and Tiffany Prater. Candidate information follows official Wagoner County election filings; verify with the official election office linked below.

About this race

Mark Chapman (Republican), Tiffany Prater (Democratic) meet on the November 3 ballot. Mark Chapman won the June 16 Republican primary with 56.74 percent over Sandy Hodges (43.26 percent). Oklahoma nominates by June primary with an August runoff when no candidate reaches a majority; unopposed nominees still print, and independents qualify by filing. The field is the State Election Board's 2026 candidate list with the June 16 and August 25 official results and the Board's withdrawals list (read September 7, 2026). This seat is elected by district; only the district covering your address appears on your ballot.

What this office does

State legislator. State legislators write and vote on state laws and the state budget, which fund schools, roads, prisons, universities and health programs, and set the rules for local governments and elections. Each member represents one district and serves on committees that shape bills before a floor vote. Terms are two years in most state houses and four in most state senates.

This race. Elected by district: only voters who live in the district see this race on their ballot.

Oklahoma › Wagoner County › Oklahoma House District 12

Mark Chapman

Republican

Top priorities

Co-authored a constitutional amendment to lower the cap on property tax increases
Supports requiring city and school board candidates to be qualified voters

Per the campaign site.

Biography

Mark Chapman is a sitting member of the Oklahoma House representing District 12, per his campaign site. He is an entrepreneur who owns several businesses, including a professional video equipment dealer, and serves as Vice Chair of the House Utilities Committee, per his campaign site.

Campaign site (opens in a new tab)

Tiffany Prater

Democratic

Top priorities

Protecting rural schools and repealing school voucher programs
Supporting local hospitals and expanding healthcare access
Improving roads, water and utility systems and expanding broadband

Per the campaign site.

Biography

Tiffany Prater is a Broken Arrow educator with nearly a decade of experience in financial services who currently works as an Internal Auditor for the Wyandotte Tribe of Oklahoma, per NonDoc. She is running for the District 12 seat, campaigning on rural schools, healthcare and infrastructure, per her campaign site.

Campaign site (opens in a new tab)

Next on your ballotOklahoma House District 13

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Voting info and more

Questions about this race

Who is running for Oklahoma House District 12 in 2026?

When is the Oklahoma House District 12 election in Oklahoma?

Election Day is Tuesday, November 3, 2026. Registration deadlines, early voting dates and mail ballot rules for Oklahoma are on the Oklahoma election hub at theballotbrief.com.

How do I see my exact Wagoner 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.

Verify this race

Candidate roster from official Wagoner County and state election office filings, last verified September 25, 2026. Bios and priorities carry their attribution inline.

Cross-check with the official Oklahoma election office, or see the full Wagoner County sample ballot and your exact ballot by address.

The rest of your Wagoner County ballot

12 tracked races in Wagoner County, Oklahoma. Landed here from another county's search? Look up your own ballot below.

Also on your ballot

Oklahoma House District 14 Oklahoma House District 23 Oklahoma House District 98 See all 12 Wagoner County races

Candidate profiles

Mark Chapman, full profile Tiffany Prater, full profile Official Oklahoma election office