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Union County, NC (shown in white) has 632.74 mi² of land area and 6.91 mi² of water resources. The county is bordered by:
The county's elevations range from a low of 298.6' to a high of 780.8', with a weighted average of 567.7' above sea level.
Temperatures range from average lows around 31.1°F to average highs around 91.3°F. A year-round daily temperature averages 61.7°F. Average annual precipation is 44.9". With these temperatures and precipation, the majority of the county scores as an 8A 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 Union County is 264,786 with 89,175 households. These households are spread across 15 unique municipalties (not all shown).
