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Municipal Boundaries

Overview

Adams County, IL (shown in white) has 855.15 mi² of land area and 16.12 mi² of water resources. The county is bordered by:


The county's elevations range from a low of 459.3' to a high of 859.6', with a weighted average of 650.7' above sea level.

Temperatures range from average lows around 18°F to average highs around 87.2°F. A year-round daily temperature averages 53.3°F. Average annual precipation is 39.3". With these temperatures and precipation, the majority of the county scores as an 6A 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 Adams County is 65,014 with 26,997 households. These households are spread across 25 unique municipalties (not all shown).