County Commissioner Tim Mauck is running unopposed for the District 1 seat in Clear Creek County.
The Idaho Springs Democrat is running this year to retain the seat he won in 2010.
Write-in candidates had until April 18 to express an intent to run. An independent or unaffiliated candidate can still petition through July 10 to be on November’s general-election ballot.
Mauck and his fellow commissioners, Tom Hayden and Phil Buckland, each make an annual salary of $58,500, by state statute.
Clear Creek County has 7,500 registered voters. Unaffiliated voters make up the largest percent of the total at 2,961 people. There are 2,248 registered Democrats in the county and 2,180 registered Republicans, according to the latest information from the Clear Creek clerk and recorder’s office.