Jackson Township’s board of supervisors will welcome a new member in 2026 in a very close race between incumbent Marianne Hall and a newcomer, according to unofficial election results in Butler County Bureau of Elections summary report.

Democratic challenger Chris Arnold received 964 votes, or 50.6% of the vote, to defeat Republican Hall in the general election on Tuesday, the results showed.

Hall, meanwhile received 934 votes, or 49% of the vote, according to the night-of results.

Arnold currently serves on the board of directors for the Jackson Community Foundation and is a past vice president of the Jackson Township Community Development Corporation.

He also volunteers with organizations including the Greater Pittsburgh Food Bank, Zelienople Meals on Wheels and the Connoquenessing Creek Cleanup.

In the lead-up to the election, Arnold said he wants to ensure development keeps pace with residents’ needs while maintaining the township’s rural character.

His priorities, he said, will include expanding recreational opportunities, promoting responsible housing and supporting business development that strengthens the tax base and creates jobs.

“I want to build a better Jackson Township future,” Arnold said. “That means encouraging smart growth, preserving our rural lifestyle and protecting the environment while creating opportunities for families and businesses alike.”