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Ottawa County, MI (shown in white) has 563.52 mi² of land area and 1,067.89 mi² of water resources. The county is bordered by:
The county's elevations range from a low of 577.4' to a high of 941.6', with a weighted average of 609.3' above sea level.
Temperatures range from average lows around 17.7°F to average highs around 82.2°F. A year-round daily temperature averages 48.8°F. Average annual precipation is 40.6". 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 Ottawa County is 308,189 with 111,614 households. These households are spread across 11 unique municipalties (not all shown).
