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Municipal Boundaries

Overview

Macoupin County, IL (shown in white) has 862.97 mi² of land area and 4.73 mi² of water resources. The county is bordered by:


The county's elevations range from a low of 479' to a high of 731.6', with a weighted average of 629.9' above sea level.

Temperatures range from average lows around 19.6°F to average highs around 87.7°F. A year-round daily temperature averages 54.5°F. Average annual precipation is 43.9". 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 Macoupin County is 44,371 with 18,555 households. These households are spread across 27 unique municipalties (not all shown).