Company Insights
Published on
July 11, 2025

How Many People Work at Ionq? Headcount and Employee Trends

Total Employees
207
7.2% from last year
1
New Hires (YTD)
1
5% of total workforce
Departments
12
650 in Engineering
Locations
16
5,012 in New York, NY

IonQ is a publicly traded quantum-computing company that designs and manufactures trapped-ion quantum hardware and the software that runs on it. The organization employs just over 200 people and has kept its overall headcount steady, adding one new employee and recording one departure in its most recent staffing update. Engineering makes up more than half of the company’s total workforce, underscoring IonQ’s focus on research and product development.

Ionq Headcount Breakdown by Department

Engineering is IonQ’s largest department with roughly 122 team members, accounting for about 59 % of total staff. Business Management follows with 24 employees, while Information Technology, Marketing & Product, and Human Resources each have 11 employees. Finance & Administration (10), Operations (8), Sales & Support (5), Quality (2), and a small group categorized as Other (3) round out the roster. The balanced distribution outside of Engineering suggests IonQ maintains lean, specialized teams to support its core technical mission.

Engineering
122
Business Management
24
Information Technology
11
Marketing and Product
11
Human Resources
11
Finance and Administration
10
Operations
8
Sales and Support
5
Quality
2
Other
3

Ionq Employees by Location

IonQ’s employees are spread across at least ten U.S. locations. The single largest grouping—92 people—work remotely or are classified under “Other,” highlighting a flexible hiring strategy. Seattle hosts the biggest physical concentration with 46 employees, followed by Washington, DC with 29 and the company’s long-time base in College Park, MD with 15. Smaller teams operate in New York, Los Angeles, Baltimore, Gaithersburg, Durham, and Portland, reflecting the company’s presence in multiple technology and research hubs.

Seattle, WA
46
Washington, DC
29
New York, NY
8
Gaithersburg, MD
3
Durham, NC
3
Los Angeles, CA
3
College Park, MD
15
Baltimore, MD
6
Portland, OR
2
Other
92
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