Administrative Assistant salary and cost of hiring in Missouri
The median administrative assistant in Missouri earned $43,540 a year in May 2025[1], 8.4% below the US median of $47,540. That puts Missouri at #42 of 51 states for this job.
BLS occupation 43-6014. Data from the May 2025 release, checked 2026-10-15.
Salary range
| Range | 10th | Median | 90th | |
|---|---|---|---|---|
| Missouri | $30,890 | $43,540 | $60,270 | |
| United States | $33,280 | $47,540 | $66,350 |
The middle half of administrative assistants in Missouri earns $36,750–$49,930; the top tenth earns $60,270 or more, 2.0 times the bottom tenth.
What a hire really costs
Benefits and payroll taxes are 30.0% of total compensation in US private industry[2]. At the Missouri median that makes about $62,200 a year before recruiting, equipment and office space. Benefit levels vary by employer, so treat this as an estimate.
We place executive assistants, customer support and e-commerce staff today; for 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 fee[3]; Deel's contractor plan is the default payroll tool[4].
Pay by metro area in Missouri
| Area | Median | 75th percentile | Jobs |
|---|---|---|---|
| Kansas City, MO-KS | $53,600 | 15,930 | |
| St. Louis, MO-IL | $53,550 | 15,000 | |
| St. Joseph, MO-KS | $48,980 | 630 | |
| Jefferson City, MO | $47,670 | 1,880 | |
| Springfield, MO | $49,610 | 2,540 | |
| Columbia, MO | $47,700 | 1,350 | |
| Joplin, MO-KS | $45,400 | 990 | |
| Central Missouri nonmetropolitan area | $45,470 | 1,780 | |
| Southwest Missouri nonmetropolitan area | $45,420 | 960 | |
| Cape Girardeau, MO-IL | $42,020 | 500 | |
| North Missouri nonmetropolitan area | $45,190 | 1,360 | |
| Southeast Missouri nonmetropolitan area | $44,360 | 1,920 |
Kansas City, MO-KS pays the most ($46,810) and Southeast Missouri nonmetropolitan area the least ($37,180): $9,630 a year apart for the same job.
What an administrative assistant does
An administrative assistant keeps the office running on paper and online: documents, data, scheduling, orders and the many small requests that land on a small team every day.
Neighbours in the ranking
| State | Median | vs Missouri |
|---|---|---|
| Montana | +0.9% | |
| Idaho | +0.4% | |
| Missouri | +0.0% | |
| Kansas | -2.9% | |
| South Dakota | -4.2% |
Questions
How much does an administrative assistant earn in Missouri?
The median was $43,540 a year in the May 2025 BLS survey; the middle half earned $36,750 to $49,930.
What does it cost to employ an administrative assistant in Missouri?
About $62,200 a year at the median wage once benefits are added, using the 30% benefits share of US private industry (June 2026).
Where in Missouri do administrative assistants earn the most?
Kansas City, MO-KS, with a median of $46,810 a year.
Sources
- BLS OEWS May 2025, 43-6014: https://www.bls.gov/oes/current/oes436014.htm
- BLS Employer Costs for Employee Compensation, private industry, June 2026: https://www.bls.gov/news.release/ecec.nr0.htm
- Silkstaff pricing: https://silkstaff.com/#pricing
- Deel pricing, contractor management: https://www.deel.com/pricing/
How these pages are built: methodology and data sources. Last updated 2026-11-05.