Ersys Logo Ersys Name

 
 
         
Municipal Boundaries

Overview

Lee County, IL (shown in white) has 724.77 mi² of land area and 3.78 mi² of water resources. The county is bordered by:


The county's elevations range from a low of 643' to a high of 1,000.6', with a weighted average of 790.8' above sea level.

Temperatures range from average lows around 12.8°F to average highs around 83.2°F. A year-round daily temperature averages 48.8°F. Average annual precipation is 40.7". With these temperatures and precipation, the majority of the county scores as an 5B 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 Lee County is 33,910 with 13,491 households. These households are spread across 14 unique municipalties (not all shown).