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Union County, TN (shown in white) has 223.58 mi² of land area and 23.55 mi² of water resources. The county is bordered by:
The county's elevations range from a low of 921.9' to a high of 2,201.4', with a weighted average of 1,249' above sea level.
Temperatures range from average lows around 23.5°F to average highs around 85.5°F. A year-round daily temperature averages 55.6°F. Average annual precipation is 54.9". With these temperatures and precipation, the majority of the county scores as an 6B 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 21,181 with 8,344 households. These households are spread across 3 unique municipalties (not all shown).
