Yuma County, Arizona

Yuma County
Clockwise from top: Old Yuma City Hall, Ocean to Ocean Bridge, Kofa Mountains, Downtown Yuma, Yuma County administration building, McPhaul Suspension Bridge, Yuma County Courthouse and the Sonoran Desert near Yuma.
Flag of Yuma County
Official seal of Yuma County
Map of Arizona highlighting Yuma County
Location within the U.S. state of Arizona
Map of the United States highlighting Arizona
Arizona's location within the U.S.
Coordinates: 32°47′13″N 113°58′58″W / 32.786944444444°N 113.98277777778°W / 32.786944444444; -113.98277777778
Country United States
State Arizona
FoundedNovember 9, 1864
Named forYuma (Quechan) people
SeatYuma
Largest cityYuma
Area
 • Total5,519 sq mi (14,290 km2)
 • Land5,514 sq mi (14,280 km2)
 • Water5.1 sq mi (13 km2)  0.1%
Population
 (2020)
 • Total203,881
 • Estimate 
(2023)
213,221 Increase
 • Density37/sq mi (14/km2)
Time zoneUTC−7 (Mountain)
Congressional districts7th, 9th
Websitewww.yumacountyaz.gov

Yuma County is a county in the southwestern corner of the U.S. state of Arizona. As of the 2020 census, its population was 203,881.[1] The county seat is Yuma.[2]

Yuma County includes the Yuma, Arizona Metropolitan Statistical Area.

The county borders three states: Sonora, Mexico, to the south, and two other states to the west, across the Colorado River: California of the United States and the Mexican state of Baja California.

Being 63.8% Hispanic in 2020, Yuma is Arizona's largest majority-Hispanic county.[3]

  1. ^ "State & County QuickFacts". United States Census Bureau. Retrieved September 27, 2022.
  2. ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.
  3. ^ "2020 Census". 2020 Census. United States Census Bureau. Retrieved September 24, 2021.