Medical Administrative Assistant salary in St. Louis, MO-IL

Pay in St. Louis against Missouri and the US

The middle half of medical administrative assistants in St. Louis earns $39,030–$50,530. The top tenth earns $56,090 or more, 1.5 times the bottom tenth, close to the US pattern of 1.7 times. From the 25th to the 75th percentile, the local range is $11,500 wide, between the figure for Missouri ($11,000) and the US figure ($12,010).

What to budget for a medical administrative assistant here

An offer at the 75th percentile instead of the median adds $4,910 a year in pay and about $6,335 in employer cost. Going down to the 25th percentile saves $6,590 in pay. These percentiles describe what people in the job earn locally, not experience levels, so place your offer by the tasks and seniority you need.

For scale, the US median of $45,930 falls between the median and the 75th percentile in St. Louis, and the Missouri statewide median of $43,980 falls between the 25th percentile and the median.

What a hire really costs in St. Louis

Pay is only part of it. Benefits and payroll taxes other than paid leave are 22.5% of total compensation in US private industry², which adds about $13,245 to the $45,620 median and brings it to $58,865 a year. Recruiting, equipment and office space come on top. Benefit levels vary by employer, so treat this as an estimate.

We place executive assistants, customer support and e-commerce staff today; for medical administrative assistants we answer within one business day whether we can help. Enter the monthly pay you have in mind to compare it with a local hire. The fee field shows our standard fee³; Deel's contractor plan is the default payroll tool⁴.

Other roles in St. Louis

Of the 17 roles we track in St. Louis, this one ranks #14 by median pay, between customer support specialists ($45,800) and e-commerce order specialists ($45,090). Project Coordinator is the highest at $100,510.

Measured against the US median, medical administrative assistants rank #3 of the 17 roles we track in St. Louis (-0.7%), between payroll specialists (+1.6%) and office managers (-1.3%). The typical role here is at -2.8%, so this job follows the area's general pay level. Medical administrative assistants hold 5.0% of the jobs in these 17 roles in St. Louis, 4.4% across Missouri and 6.1% nationally. The job is a smaller part of the local workforce in these roles than it is nationally.

Other areas in Missouri

Across the 12 areas of Missouri with data for this job, the median runs from $36,810 in the Southeast Missouri nonmetro area to $45,620 in St. Louis, a gap of $8,810 a year. No other area in Missouri has as many medical administrative assistants, and all 11 others pay less.

St. Louis against other US metro areas

By number of jobs, St. Louis is #32 of 514 US areas for this job. It is one of the larger markets for this job, with pay near the middle of the US range. Outside Missouri, Dallas-Fort Worth and Charlotte-Concord pay just above St. Louis and Nashville-Murfreesboro and Fargo just below. All four are within $80 a year of the median in St. Louis. Of the three markets with about as many medical administrative assistants, two pay more.

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Sources

How these pages are built: methodology and data sources. Last updated 2026-11-12.