62151/Medical and Diagnostic Laboratories
US businesses, employees and payroll, 2017 to 2023
332K
employees, 2023
332K
employees, 2023
In 2023, 23,603 US Medical and Diagnostic Laboratories business locations employed 332,060 people and paid $24.7 billion in annual payroll, $74,389 per employee on average. Employment was down 2.5% from 2022. California had the most employees.
Updated Oct 9, 2026 · data year 2023
Business locations
23,603
+19.1% vs 2022
Employees
332,060
-2.5% vs 2022
Annual payroll
$24.7B
+2.1% vs 2022
Average pay
$74,389
+4.7% vs 2022
Over the years
United States, 2017 to 2023
Employees
Paid employees in mid-March
Business locations
Places with paid employees
By state
Employees of Medical and Diagnostic Laboratories in each state, 2023
Employees by state
States with the most employees
Employees and the share of all the state's jobs
| State | Business locations | Employees | Average pay | Share of state jobs |
|---|---|---|---|---|
| California | 2,739 | 45,890 | $90,902 | 0.28% |
| Texas | 2,969 | 33,783 | $73,122 | 0.28% |
| Florida | 1,915 | 31,053 | $68,347 | 0.31% |
| New York | 1,254 | 19,138 | $81,918 | 0.22% |
| New Jersey | 1,002 | 16,828 | $61,335 | 0.43% |
| North Carolina | 808 | 16,478 | $78,568 | 0.39% |
| Arizona | 599 | 11,433 | $76,883 | 0.40% |
| Pennsylvania | 662 | 10,375 | $76,389 | 0.18% |
| Georgia | 1,013 | 10,256 | $64,668 | 0.23% |
| Illinois | 698 | 9,425 | $67,138 | 0.17% |
| Ohio | 646 | 9,417 | $70,886 | 0.19% |
| Tennessee | 603 | 8,495 | $64,484 | 0.29% |
| Virginia | 575 | 7,889 | $68,759 | 0.22% |
| Wisconsin | 170 | 7,557 | $112,206 | 0.29% |
| Michigan | 551 | 7,171 | $64,452 | 0.18% |
The 15 states with the most employees. Download the CSV for all 51.
Top metro areas
Metro and micro areas with the most Medical and Diagnostic Laboratories employees, 2023
Metro areas with the most employees
| Metro area | Locations | Employees | Average pay |
|---|---|---|---|
| New York-Newark-Jersey City, NY-NJ | 1,604 | 28,500 | $73,829 |
| Los Angeles-Long Beach-Anaheim, CA | 1,199 | 22,209 | $72,114 |
| Dallas-Fort Worth-Arlington, TX | 872 | 12,044 | $74,884 |
| Chicago-Naperville-Elgin, IL-IN | 601 | 10,756 | $61,161 |
| Phoenix-Mesa-Chandler, AZ | 444 | 10,487 | $78,414 |
| Miami-Fort Lauderdale-West Palm Beach, FL | 684 | 9,756 | $68,938 |
| Tampa-St. Petersburg-Clearwater, FL | 318 | 9,103 | $74,182 |
| Houston-Pasadena-The Woodlands, TX | 910 | 8,217 | $57,423 |
| Atlanta-Sandy Springs-Roswell, GA | 689 | 7,894 | $63,613 |
| Philadelphia-Camden-Wilmington, PA-NJ-DE-MD | 520 | 7,733 | $69,037 |
| Washington-Arlington-Alexandria, DC-VA-MD-WV | 534 | 7,696 | $72,053 |
| San Francisco-Oakland-Fremont, CA | 286 | 6,782 | $131,470 |
| Burlington, NC | 51 | 5,745* | $89,327 |
| Austin-Round Rock-San Marcos, TX | 192 | 5,507 | $109,854 |
| San Diego-Chula Vista-Carlsbad, CA | 201 | 5,430 | $87,870 |
Business size
US Medical and Diagnostic Laboratories business locations by number of employees, 2023
Locations by size
| Employees | Locations | Share |
|---|---|---|
| Under 5 | 14,899 | 63.1% |
| 5 to 9 | 3,427 | 14.5% |
| 10 to 19 | 2,479 | 10.5% |
| 20 to 49 | 1,658 | 7.0% |
| 50 to 99 | 601 | 2.5% |
| 100 to 249 | 364 | 1.5% |
| 250 to 499 | 111 | 0.5% |
| 500 to 999 | 42 | 0.2% |
| 1,000 or more | 22 | 0.1% |
Related industries
Medical and Diagnostic Laboratories and the 2 industries directly below it
Part of Health Care and Social Assistance 62Ambulatory Health Care Services 621Medical and Diagnostic Laboratories 6215
| Code | Industry | Employees | Average pay |
|---|---|---|---|
| 621511 | Medical Laboratories | 232,333 | $74,156 |
| 621512 | Diagnostic Imaging Centers | 99,727 | $74,933 |
Questions and answers
How many people work in Medical and Diagnostic Laboratories in the US?
332,060 people worked at 23,603 US Medical and Diagnostic Laboratories business locations in 2023, down 2.5% from 2022. That is 0.24% of all US private-sector employees.
What is the average pay in Medical and Diagnostic Laboratories?
$74,389 a year per employee in 2023, from $24.7 billion in annual payroll (up 4.7% from 2022). The average across all US industries was $68,342.
Which state has the most Medical and Diagnostic Laboratories jobs?
California had the most, with 45,890 employees in 2023, followed by Texas (33,783) and Florida (31,053).
Which metro areas have the most Medical and Diagnostic Laboratories jobs?
New York-Newark-Jersey City, NY-NJ (28,500), Los Angeles-Long Beach-Anaheim, CA (22,209), Dallas-Fort Worth-Arlington, TX (12,044) had the most Medical and Diagnostic Laboratories employees in 2023.
Are most Medical and Diagnostic Laboratories businesses small?
88.1% of the 23,603 Medical and Diagnostic Laboratories business locations had fewer than 20 employees in 2023, and 64 had 500 or more.
Official US government statistics, published once a year. Business locations are places with paid employees; employees are counted in mid-March; payroll covers the whole year. Covers most private employers, not the self-employed, most government workers or farm workers on farms. * Less accurate: changed by 5% or more to protect privacy. Changes from the year before are shown only when both years use the same edition of the industry codes.