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Municipal Boundaries

Overview

Ottawa County, OH (shown in white) has 254.7 mi² of land area and 330.38 mi² of water resources. The county is bordered by:


The county's elevations range from a low of 567.6' to a high of 649.6', with a weighted average of 585.4' above sea level.

Temperatures range from average lows around 20.6°F to average highs around 84.1°F. A year-round daily temperature averages 51.8°F. Average annual precipation is 38.8". 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 40,036 with 17,612 households. These households are spread across 11 unique municipalties (not all shown).