Moving Your Business to Yuma County

Yuma County has a year-round population of approximately 200,000 residents. During the winter, the population increases by about 90,000 due to the sun-seeking Winter Visitors affectionately known as "Snowbirds". Incorporated towns and cities within Yuma County are San Luis (city), Somerton (city), Wellton (town), and Yuma (city).  The sunny skies, low humidity and irrigation from the Colorado River have made the area not only the North American Winter Vegetable Capital, but also an agricultural research and education hub.


Yuma County 213,787
City of Yuma 98,285
City of San Luis 34,778
City of Somerton 16,554
Town of Wellton 2,989

Click here for U.S. Census Bureau QuickFacts on Yuma County


Primary Industry

Industry $

Agriculture $3.3B
Military $900M
Tourism $664M


  • On Interstate 8, more than 6.5 million vehicles per year (18,000 per day) pass through Yuma. At San Luis, another 2.6 million autos and 46,000 commercial vehicles cross annually.

  • Shoppers from Mexico contribute approximately $2.2 billion annually to Yuma County.

  • Yuma's annual sales continually show healthy increases compared to other parts of Arizona and the nation.

  • A Yuma business myth: As with many communities in Southwestern Arizona, Yuma's summer business seems to "die off". There is some truth to the story, but not much. In the slowest sales months of the year (June, July and August) the aggregate sales by Yuma businesses represents 22-24% of their annual sales.

  • The Yuma area is fortunate to have a thriving economic development organization, Greater Yuma Economic Development Corporation. Our friends at GYEDC work hand in hand with us and many other organizations for the betterment of our community. For detailed economic information for Yuma County visit GYEDC's website here.



  • Tax rates vary according to school district.
  • In Arizona, tax rates are stated in dollars per hundred of assessed value, rather than a mill rate like many other states.

 Sales Tax Table


Yuma County 6.7% 6.7% 6.7%
City of San Luis 10.7% 10.7% 10.7%
City of Somerton 10% 10% 10%
City of Wellton 9.2% 9.2% 11.7%
City of Yuma 8.4% 10.4% 10.4%

 *Tax percentages figured from and  

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May 13, 2021

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