Washington County, Utah at a Glance

Published Aug 14, 2026 · Data · Red Rock Daily staff

Washington County sits in the southwestern corner of Utah, with St. George as its county seat and largest city. It was founded in 1852 and named for George Washington.

Key facts

• Population (2020 census): 180,279
• Population (2025 estimate): 213,670
• Rank: Fifth-most populous county in Utah
• Area: 2,430 square miles
• Congressional district: Utah's 2nd

Communities

The county includes St. George, Washington, Ivins, Santa Clara, Hurricane, La Verkin, Toquerville, Leeds, Springdale (the gateway to Zion), and a string of smaller towns along the Interstate 15 corridor.

Economy and growth

Tourism — anchored by Zion National Park and Tuacahn — plus healthcare, construction and retirement-related services drive the local economy. The county has been one of the fastest-growing in the nation for over a decade.

New to the area? Start with our St. George relocation guide and the Snow Canyon State Park guide.