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Hardeman County, TN (shown in white) has 667.77 mi² of land area and 2.61 mi² of water resources. The county is bordered by:
The county's elevations range from a low of 285.4' to a high of 679.1', with a weighted average of 461.4' above sea level.
Temperatures range from average lows around 27.8°F to average highs around 90.5°F. A year-round daily temperature averages 60.1°F. Average annual precipation is 57". With these temperatures and precipation, the majority of the county scores as an 7B 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 Hardeman County is 25,822 with 9,331 households. These households are spread across 11 unique municipalties (not all shown).