You can apply for a marriage license at most State County Courthouse, regardless of which county in that state the ceremony occurs. In Idaho, you can get married the same day the license is issued; in Oregon, there is a 3-day waiting period, and the license expires in 60 days. Your marriage license must be on the premises for the ceremony.

Yes. Here are some direct links: Ada County (https://adacounty.id.gov/clerk/marriage-license/) Blaine County (https://www.co.blaine.id.us/182/Marriage-License) Boise County (https://www.boisecounty.us/services/county-clerk-auditor/) Canyon County (https://www.canyoncounty.id.gov/elected-officials/clerk/recorder/marriage-license/) Gem County (https://www.gemcounty.org/departments_offices/county_clerk/marriage_licenses.php) Valley County (https://www.co.valley.id.us/MarriageLicense)

Yes. You are not required to be an Idaho resident to apply for a marriage license in Idaho.