HR Assistant salary and cost of hiring in Missouri
The median HR assistant in Missouri earned $47,960 a year in May 2025[1], 5.2% below the US median of $50,610. That puts Missouri at #35 of 51 states for this job.
BLS occupation 43-4161. Data from the May 2025 release, checked 2026-10-15.
Salary range
| Range | 10th | Median | 90th | |
|---|---|---|---|---|
| Missouri | $37,740 | $47,960 | $65,090 | |
| United States | $37,340 | $50,610 | $68,280 |
The middle half of HR assistants in Missouri earns $41,910–$55,850; the top tenth earns $65,090 or more, 1.7 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 $68,514 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 HR 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 | $59,130 | 400 | |
| Columbia, MO | $57,600 | 50 | |
| St. Louis, MO-IL | $56,440 | 490 | |
| Central Missouri nonmetropolitan area | $55,430 | 80 | |
| Southwest Missouri nonmetropolitan area | $50,790 | 30 | |
| Jefferson City, MO | $53,290 | 70 | |
| Southeast Missouri nonmetropolitan area | $57,160 | 40 | |
| Springfield, MO | $47,960 | 100 |
Kansas City, MO-KS pays the most ($52,140) and Springfield, MO the least ($40,090): $12,050 a year apart for the same job.
What an HR assistant does
An HR assistant runs the admin side of people work: job posts, interview scheduling, onboarding paperwork, employee records and HR questions.
Neighbours in the ranking
| State | Median | vs Missouri |
|---|---|---|
| Michigan | +0.6% | |
| North Carolina | +0.5% | |
| Missouri | +0.0% | |
| Nevada | -0.1% | |
| Arizona | -0.1% |
Questions
How much does an HR assistant earn in Missouri?
The median was $47,960 a year in the May 2025 BLS survey; the middle half earned $41,910 to $55,850.
What does it cost to employ an HR assistant in Missouri?
About $68,514 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 HR assistants earn the most?
Kansas City, MO-KS, with a median of $52,140 a year.
Sources
- BLS OEWS May 2025, 43-4161: https://www.bls.gov/oes/current/oes434161.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.