Yuma County

Yuma County is an administrative division in southwestern Arizona that spans desert terrain crossed by the Colorado River. The landscape mixes arid zones with cultivated farmland that relies on irrigation water from the river.

The county was established in 1864 and became a key transit point during western expansion across the United States. The Colorado River crossing served as a strategic point for settlers and trade routes moving between regions.

The county reflects the traditions of Native American, Mexican, and Anglo-American communities that continue to shape local events and daily life. Visitors can observe these cultural influences in the neighborhoods, local markets, and seasonal celebrations throughout the year.

The area experiences hot and dry conditions, especially from May through September, so visitors should bring plenty of water and sun protection. Most destinations are accessible by car, and main towns offer basic services for travelers passing through.

The county ranks among the top regions in the United States for producing winter vegetables through specialized irrigation systems developed over decades. The harvest from its fields reaches markets across the country during colder months.

Location: Arizona

Inception: November 9, 1864

Capital city: Yuma

Shares border with: La Paz County, Maricopa County, Mexicali Municipality, San Luis Río Colorado, General Plutarco Elías Calles, Imperial County, Pima County

Website: https://yumacountyaz.gov

GPS coordinates: 32.78694,-113.98278

Latest update: December 17, 2025 09:32