The average salary for a Case Management Nurse in O'fallon, IL is $47.57 per hour. This is 23% higher than the US average of $36.70.
Last updated on January 27, 2026. Based on active jobs on Vivian.com.
Case Management Nurse salaries in O'fallon, IL compared to State and National Averages
$47.57/hour
O'fallon, IL
23% higher than the US average.
$36.70/hour
United States
How Case Management Nurse Salaries in O'Fallon Compare to Other Cities
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