Registered Nurse Salary Guide: O'fallon, IL

Average Registered Nurse Salary

$46.94/hour

The average salary for a Registered Nurse in O'fallon, IL is $46.94 per hour. This is 16% higher than the US average of $39.59.

Last updated on December 5, 2025. Based on active jobs on Vivian.com.

Registered Nurse salaries in O'fallon, IL compared to State and National Averages

$46.94/hour

O'fallon, IL

16% higher than the US average.

$39.59/hour

United States

Select up to 3 cities to compare

Overland Park, Kansas

$33/hour

Dallas, Texas

$47/hour

Washington, District of Columbia

$40/hour

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