The average salary for a Definitive Observation Unit Nurse in O'fallon, IL is $47.90 per hour. This is 1% higher than the US average of $47.34.
Last updated on March 14, 2026. Based on active jobs on Vivian.com.
Definitive Observation Unit Nurse salaries in O'fallon, IL compared to State and National Averages
$47.90/hour
O'fallon, IL
1% higher than the US average.
$47.34/hour
United States
How Definitive Observation Unit Nurse Salaries in O'Fallon Compare to Other Cities
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Saint Louis, Missouri
$51/hour
Indianapolis, Indiana
$34/hour
Memphis, Tennessee
$28/hour
Definitive Observation Unit Nurse Career Guide
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