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Willacy County, TX (shown in white) has 590.61 mi² of land area and 194.15 mi² of water resources. The county is bordered by:
The county's elevations range from a low of 0' to a high of 72.2', with a weighted average of 19.5' above sea level.
Temperatures range from average lows around 47°F to average highs around 97.5°F. A year-round daily temperature averages 74.1°F. Average annual precipation is 25.8". With these temperatures and precipation, the majority of the county scores as an 9B 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 Willacy County is 20,291 with 5,760 households. These households are spread across 10 unique municipalties (not all shown).
