Elections
The Kansas 2026 congressional primary was held on August 4, 2026. General Election Day is November 3, 2026.
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Term end dates, party breakdown, and which seats are on the November ballot.
General Election · November 3, 2026
Quick Answer
Incumbent Sen. Roger Marshall won the Republican nomination over Pond Naramore (79.9%–20.1%). Pastor Adam Hamilton won an eleven-candidate Democratic primary with 34.9%; Kansas has no primary runoff, so a plurality is sufficient.
November nominees
Roger Marshall
Won primary · 79.9%
Adam Hamilton
Won primary · 34.9%
Each won their own party's primary and advance to November 3, 2026 in a single-winner plurality contest.
All U.S. House seats in Kansas are on the 2026 ballot. Every House member runs for re-election every two years. View Kansas representatives →
Kansas's Class II Senate seat is up for election in 2026. The current senator is Roger Marshall (R). Class II senators were last elected in 2020 and serve six-year terms.
Kansas holds a closed primary, meaning you must be registered with a political party to vote in that party's primary. Independent and unaffiliated voters cannot participate unless they re-register with a party before the registration deadline.
| August 4, 2026 | Primary Election (passed) |
| October 2026 | Voter registration deadlines (check your state) |
| November 3, 2026 | General Election |
| January 3, 2027 | 120th Congress convenes |
You must be registered with a political party to vote in that party's primary. Independent/unaffiliated voters cannot participate unless they re-register before the deadline. Registration deadlines vary — most states require registration 15–30 days before the primary, though some offer same-day registration.
Check your registration status and find your polling place at vote.gov.
See All State Primary Dates
Compare Kansas's primary to other states' 2026 schedules.
Roger Marshall won the Republican nomination with 79.9% of the vote, and Adam Hamilton won the Democratic nomination with 34.9%. They advance to the general election on November 3, 2026.
The November 3, 2026 ballot features Roger Marshall (R) vs Adam Hamilton (D) for Kansas's U.S. Senate seat.
The Kansas 2026 congressional primary is August 4, 2026. The general election is November 3, 2026.
You must be registered with a political party to vote in that party's primary. Independent/unaffiliated voters cannot participate unless they re-register before the deadline.
All U.S. House seats in Kansas are on the 2026 primary ballot. Additionally, the U.S. Senate seat (Class II) is up for election. The current senator is Roger Marshall (R). Many states also hold primaries for governor and state legislature on the same day.
Kansas holds a closed primary, meaning you must be registered with a political party to vote in that party's primary. Independent and unaffiliated voters cannot participate unless they re-register with a party before the registration deadline.
Voter registration deadlines vary but are typically 15–30 days before the primary. Because Kansas has a closed primary, you must also be registered with a party before the deadline to vote in a party primary. Check the Kansas Secretary of State website or vote.gov for the exact deadline.
The 2026 general election is on Tuesday, November 3, 2026. This date is the same for all 50 states — it is always the first Tuesday after the first Monday in November in even-numbered years.
