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Yuma County, AZ (shown in white) has 5,513.84 mi² of land area and 5.12 mi² of water resources. The county is bordered by:
The county's elevations range from a low of 78.7' to a high of 4,813', with a weighted average of 869.4' above sea level.
Temperatures range from average lows around 37.6°F to average highs around 109.8°F. A year-round daily temperature averages 74.2°F. Average annual precipation is 4.4". With these temperatures and precipation, the majority of the county scores as an 10A using the USDA Plant Hardiness Zone Map (the standard by which gardeners and growers can determine which perennial plants are most likely to thrive in a location).
The estimated population of Yuma County is 215,070 with 73,448 households. These households are spread across 21 unique municipalties (not all shown).