Yuma County, Arizona

Yuma County: county in Arizona, United States

About

Yuma County is a county located in the U.S. state of Arizona. As of the 2010 census, the population was 195,751 and a population density of 14 people per km². After 10 years in 2020 county had an estimated population of 217,824 inhabitants. Its county seat is Yuma. The county was created 161 years ago in 1864.

Yuma County locator map
Location of Yuma County on Arizona map.

County Snapshot

Yuma County at a glance

Yuma County currently has 5 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.

Browse county places

Mapped populated places

5

These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.

Largest city

Yuma

Population 99,811

Quick Facts about Yuma County

Population 217,824 (2020)
Country United States of America
State Arizona (United States)
Different from Yuma County
Area 14294 km2
Water as percent of area 0.09%
Land as percent of area 99.91%
Latitude & Longitude 32.7694,-113.9056
Named for Quechan people
Altitude 1,138 feet / 347 meters
Capital Yuma
Establishment November 09, 1864
Time Zone America/Phoenix
Local time 00:03:25 (17th April 2026)
Density 15 Pop. per km² as of 2020
Population growth 10.13% (2010-2020)
Weather 51℉ Mostly Clear 7-days weather
YUMA COUNTY COURTHOUSE image
YUMA COUNTY COURTHOUSE image

Geography

Yuma County is located at 32°46'10"N 113°54'20"W (32.7694000, -113.9055600). It has 6 neighbors: San Luis Rio Colorado, Puerto Penasco, La Paz County, Maricopa County, Pima County and Imperial County.

Yuma County map

Click "full screen" full screen map icon to open full mode. View satellite images

The largest city of Yuma County is Yuma with a population of 99,811. Other cities include, San Luis population 31,520, Somerton population 16,716 and Wellton population 3,163. See all Yuma County cities & populated places.

Yuma County Populated Places

Cities, towns, neighborhoods & other populated places in Yuma County.

City Name Population Title
Yuma 99,811 The most populous city in Yuma County, Arizona.
San Luis 31,520 Town in Yuma County, Arizona, United States
Fortuna Foothills 28,135 Census designated place
Somerton 16,716 City in Arizona, United States
Wellton 3,163 Populated place in Yuma County, Arizona

Weather

51°F
Mostly Clear
0 to 10 mph SW Thursday Night

Mostly clear. Low around 51, with temperatures rising to around 53 overnight. Southwest wind 0 to 10 mph.

7-Day Forecast

Official website of Yuma County

Official Website
  • Yuma

Demographics

The population of Yuma County increased by 10.13% in 10 years.

Year Population % Change Method
2010 195,751 - census
2011 202,841 3.5% estimation process
2012 202,475 -0.18% estimation process
2013 202,420 -0.03% estimation process
2014 204,054 0.8% estimation process
2015 205,186 0.55% estimation process
2016 207,247 0.99% estimation process
2017 209,507 1.08% estimation process
2018 211,612 0.99% estimation process
2019 213,787 1.02% estimation process
2020 217,824 1.85% estimation process
Castle Dome County, Comitatul Yuma, Comte de Yuma, Comté de Yuma, Condado de Yuma, Condado han Yuma, Contea di Yuma, Dona Ana County, Hrabstwo Yuma, Juma, Okrug Juma, Quan Yuma, Quận Yuma, Yuma, Yuma County i Arizona, Yuma Kontlugu, Yuma Kontluğu, Yuma Kun, Yuma Kūn, Yuma konderria, Yuma maakond, Yuma megye, Yuma srjan, Yuma okrug, Yuman piirikunta, mqatʿt ywma, shhrstan ywma aryzwna, you ma xian, yuma jun, yuma ka'unti, Округ Јума, Юма, Յումա շրջան, شهرستان یوما، آریزونا, مقاطعة يوما, یوما کاؤنٹی، ایریزونا, یووما کاؤنٹی, য়ুমা কাউন্টি, ዩማ ካውንቲ፥ አሪዞና, ユマ郡, 尤馬縣

Other places with the same name (1)

Arizona Other Counties (more counties)

County Name Population Title
Maricopa County 4,579,081 County in Arizona, United States
Phoenix 1,708,127 The fifth most populous city in the United States and the center of the Phoenix metropolitan area.
Pima County 1,061,175 County in Arizona, United States
Tucson 553,571 The second most populous city in Arizona and the center of the Tucson metropolitan area.
Mesa 528,159 The fourth most populous city in Arizona and the center of the Mesa metropolitan area.
Pinal County 480,828 County in Arizona, United States
Chandler 265,398 The second most populous city in Maricopa County, Arizona.
Scottsdale 262,647 The fourth most populous city in Arizona and the center of the Scottsdale metropolitan area.
Gilbert 257,658 The fifth most populous city in Arizona.
Glendale 255,307 The second most populous city in Arizona.
Yavapai County 240,226 County in Arizona, United States
Mohave County 217,206 County in Arizona, United States
Maryvale 208,189 Urban village in Phoenix, Arizona, United States
Tempe 200,402 The third most populous city in Arizona.
Peoria 179,872 The second most populous city in Maricopa County, Arizona.
Tempe Junction 158,368 A census-designated place in Maricopa County, Arizona.