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Miller County, AR (shown in white) has 624.04 mi² of land area and 14.23 mi² of water resources. The county is bordered by:
The county's elevations range from a low of 183.7' to a high of 498.7', with a weighted average of 262.2' above sea level.
Temperatures range from average lows around 32.7°F to average highs around 94.1°F. A year-round daily temperature averages 64.4°F. Average annual precipation is 51.9". 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 Miller County is 42,777 with 17,132 households. These households are spread across 4 unique municipalties (not all shown).