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Municipal Boundaries

Overview

Mills County, IA (shown in white) has 437.43 mi² of land area and 3.21 mi² of water resources. The county is bordered by:


The county's elevations range from a low of 941.6' to a high of 1,312.3', with a weighted average of 1,089.3' above sea level.

Temperatures range from average lows around 12.7°F to average highs around 87.5°F. A year-round daily temperature averages 50.8°F. Average annual precipation is 36.3". With these temperatures and precipation, the majority of the county scores as an 5B 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 Mills County is 14,837 with 5,649 households. These households are spread across 8 unique municipalties (not all shown).