Washington County, Idaho

Washington County is in western Idaho, with Weiser serving as the county seat. It’s a small town with a big fiddle contest. Seriously. The county is named after George Washington, so the name shouldn’t come as much of a surprise.

The county stretches from the Snake River into the surrounding mountains, giving it a mix of landscapes. You’ll find farmland in the valleys and forests covering the hills. The Weiser River runs through the area and is a popular spot for fishing, floating, and enjoying the outdoors.

Like much of Idaho, agriculture is a major part of the local economy. Onion fields and fruit orchards are common across the valleys. It’s rural here—really rural. People value their space and privacy, and honestly, who can blame them? Washington County is a quiet corner of Idaho where the pace of life stays pleasantly slow.

CategoryDetails
County NameWashington County
County SeatWeiser
EtymologyNamed in honor of George Washington, first President of the United States
Cities, Towns, and CommunitiesWeiser, Midvale, and several small communities
Interstates and HighwaysU.S. Route 95, State Highway 52
FIPS Code16-087
Total Area2,379 square miles (land: 2,378 sq mi; water: 1 sq mi)
Adjacent Counties Adams County (North), Gem County (East), Payette County (South), Malheur County, Oregon (Southwest), Baker County, Oregon (West)
Time ZoneMountain Time Zone
StateIdaho
Coordinates44.23° N, 116.29° W
Major LandmarksWeiser River Trail, the Oregon Trail, and the Hitt Mountain
Population12,200
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