Kansas Counted Late Mail-In Ballots in August Primary

A court-ordered grace period allowed 867 ballots to be counted after the state's August 4 primary election.

Updated on Sept. 25, 2026 in Legislative Policy

Kansas Counted Late Mail-In Ballots in August Primary

Live Poll

Should mail-in ballots postmarked by Election Day be counted if they arrive within three days later?

Following a July 16 judicial injunction, Kansas election officials processed 867 mail-in ballots that arrived in the three days after the August 4 primary. The state legislature previously enacted Senate Bill 4 in 2025 to end such grace periods for mail-in voting.

Why it matters

The grace period serves to protect voters from potential disenfranchisement due to postal delays, while the state government contends that ending the period is necessary to ensure voter confidence and strict compliance with election laws.

Of the 1,080 mail ballots that arrived after Election Day, 213 were rejected by county clerks, including 129 missing a postmark and 84 that arrived outside the three-day grace window.

The players

Secretary of State

This official is responsible for overseeing elections in Kansas and is currently seeking to restore the prohibition on grace periods for mail-in ballots.

Kansas Court of Appeals

This judicial body is currently reviewing the appeal filed by the Secretary of State regarding the temporary injunction.

The details

Johnson County processed the highest volume of late-arriving ballots in the state with 335, followed by Shawnee County with 135. The Secretary of State's Office is currently appealing the district court's decision, seeking a resolution before advance voting begins on October 14.

2017: The state legislature established the original three-day grace period law.
2025: The legislature passed Senate Bill 4 to require receipt of all ballots by 7 p.m. on Election Day.
July 16, 2026: A judge issued a temporary injunction that restored the three-day grace period.
August 4, 2026: Kansas held its primary election day.
October 14, 2026: Advance voting for the general election is scheduled to begin.

Political Context

This dispute highlights the divide between advocacy groups seeking to prevent voter disenfranchisement and proponents of Kansas Senate Bill 4, who argue that earlier ballot deadlines are essential for administrative efficiency and election integrity.

Voters should be aware that the legality of the grace period remains in flux, which may impact how and when they choose to submit their mail-in ballots for the upcoming general election. Taxpayers may also see continued legal expenditures as the state pursues its appeal of the injunction.

The takeaway

Voters utilizing mail-in ballots should prioritize early submission to avoid reliance on grace periods that are currently being contested in court. Staying informed on specific county election deadlines is essential for ensuring that every vote is successfully counted.