How many employees work at Marathon Petroleum?
Marathon Petroleum Corp. has 17,656 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is 2.1%.
Data source: Revelio Labs Coverage: Global workforce Latest update: December 2025
About Marathon Petroleum
Marathon Petroleum Corporation (MPC) is a leading, integrated, downstream energy company headquartered in Findlay, Ohio. The company operates the nation's largest refining system. MPC's marketing system includes branded locations across the United States, including Marathon brand retail outlets. MPC also owns the general partner and majority limited partner interest in MPLX LP, a midstream company that owns and operates gathering, processing, and fractionation assets, as well as crude oil and light product transportation and logistics infrastructure. More information is available at www.marathonpetroleum.com.
As of December 2025
Marathon Petroleum
workforce metrics
Headcount
17.7k
Avg. Salary
$107.9k
Tenure
6.3yr
Growth Rate
2.1%
Hiring Rate
Attrition Rate
For even more metrics data,
reach out to our sales team.
Employee Headcount
Interactive chart of Marathon Petroleum annual worldwide employee count from 2023 to 2025.
- Marathon Petroleum total number of employees in 2025 was 17,656, a 2.1% increase from 2024.
- Marathon Petroleum total number of employees in 2024 was 17,297, a 0.8% increase from 2023.
- Marathon Petroleum total number of employees in 2023 was 17,159, a 1.3% increase from 2022.
Would you like to see the latest employee headcount data?
Employee Geographic Breakdown
Would you like to see the latest employee geographic data?
Active Job Postings
Interactive chart of Marathon Petroleum annual active job postings from 2023 to 2025.
- Marathon Petroleum active job postings in 2025 was 532, a 24.0% increase from 2024.
- Marathon Petroleum active job postings in 2024 was 418, a 25.3% increase from 2023.
- Marathon Petroleum active job postings in 2023 was 324, a 16.7% decline from 2022.
Would you like to see the latest active job postings data?
Employee Sentiment
Sentiment Topics
Would you like to see the latest employee sentiment data?
