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Iosco County, MI (shown in white) has 549.1 mi² of land area and 1,340.96 mi² of water resources. The county is bordered by:
The county's elevations range from a low of 577.4' to a high of 1,049.9', with a weighted average of 626' above sea level.
Temperatures range from average lows around 11.3°F to average highs around 80.7°F. A year-round daily temperature averages 46.4°F. Average annual precipation is 34.5". 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 Iosco County is 25,510 with 11,788 households. These households are spread across 6 unique municipalties (not all shown).