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Saline County, IL (shown in white) has 379.99 mi² of land area and 6.94 mi² of water resources. The county is bordered by:
The county's elevations range from a low of 351.1' to a high of 899', with a weighted average of 424.4' above sea level.
Temperatures range from average lows around 22.8°F to average highs around 88.7°F. A year-round daily temperature averages 57.4°F. Average annual precipation is 53.3". 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 Saline County is 22,917 with 9,625 households. These households are spread across 7 unique municipalties (not all shown).
