As of February 01, 2026, the average annual salary for Operating Room CNA in Missouri is $40,203, equivalent to $19 per hour, $773 weekly, or $3,350 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Operating Room CNA in cities like Santa Clara, San Jose, and Fremont.

Annually Salaries for Operating Room CNA in Missouri vary widely, spanning from $34,208 to $47,609. Most professionals fall between the 25th percentile ($37,065) and 75th percentile ($44,079), while top earners (90th percentile) make $47,609 per year. This $7,014 pay gap underscores opportunities for salary growth through certifications, specialized skills like Commitment or CPR, or targeting high-paying regions like District of Columbia or California.

Location and experience significantly influence earnings. For example, Missouri Operating Room CNA often earn 5.0% lower than national averages due to demand from Fortune 11 companies. However, Missouri currently ranks 37 nationwide for Operating Room CNA job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.

Based on HR-reported data: a national average with a geographic differential
Operating Room CNA Salaries by Percentile
Percentile Salary Location Last Updated
10th Percentile Operating Room CNA Salary $34,208 MO February 01, 2026
25th Percentile Operating Room CNA Salary $37,065 MO February 01, 2026
50th Percentile Operating Room CNA Salary $40,203 MO February 01, 2026
75th Percentile Operating Room CNA Salary $44,079 MO February 01, 2026
90th Percentile Operating Room CNA Salary $47,609 MO February 01, 2026
25% $37,065 10% $34,208 90% $47,609 75% $44,079 $40,203 50%(Median) Didn’t find job title? Click
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Registered Nurse (RN), Operating Room

Community Hospital - Fairfax, MO - Fairfax, MO

RN Operating Room

Mercy - Redings Mill, MO

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What is An Operating Room CNA ?

The salary for an Operating Room Certified Nursing Assistant (CNA) varies based on factors such as location, experience, and the healthcare facility. On average, Operating Room CNAs earn between $30,000 and $50,000 annually. Those in metropolitan areas or specialized surgical centers may command higher wages due to increased demand and cost of living. Additional benefits, such as health insurance, retirement plans, and shift differentials, can enhance overall compensation. Experience in surgical settings and additional certifications may also lead to salary increases. Continuous education and ...

Source: (as of 06/04/2025). Read more from

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Location Avg. Salary Date Updated
Location Saint Peters, MO Avg. Salary $38,279 Date Updated February 01, 2026
Location Adrian, MO Avg. Salary $38,555 Date Updated February 01, 2026
Location Advance, MO Avg. Salary $38,259 Date Updated February 01, 2026
Location Agency, MO Avg. Salary $38,551 Date Updated February 01, 2026
Location Alba, MO Avg. Salary $35,089 Date Updated February 01, 2026
Location Albany, MO Avg. Salary $38,555 Date Updated February 01, 2026
Location Aldrich, MO Avg. Salary $35,089 Date Updated February 01, 2026
Location Alexandria, MO Avg. Salary $37,401 Date Updated February 01, 2026
Location Allendale, MO Avg. Salary $38,802 Date Updated February 01, 2026
Location Allenton, MO Avg. Salary $38,259 Date Updated February 01, 2026
Job Openings for Operating Room CNA in Missouri

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