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Municipal Boundaries

Overview

Effingham County, IL (shown in white) has 478.77 mi² of land area and 1.23 mi² of water resources. The county is bordered by:


The county's elevations range from a low of 459.3' to a high of 669.3', with a weighted average of 574.5' above sea level.

Temperatures range from average lows around 20.3°F to average highs around 88.4°F. A year-round daily temperature averages 54.7°F. Average annual precipation is 47.1". 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 Effingham County is 34,765 with 14,141 households. These households are spread across 10 unique municipalties (not all shown).