Employment
332,060
Total employees (Census CBP)
Health Care and Social Assistance ·NAICS 62151
NAICS 62151 · IRS SOI 2023 · Census CBP
Medical and Diagnostic Laboratories - Industry Benchmarks
$74,389/yr average annual pay, with 516 SBA loans on record for NAICS 62151.
- 11.4%
- Health Care and Social Assistance sector margin
- 332K
- Workers employed
- $74,389/yr
- Avg payroll / employee
- $350M
- SBA lending, FY20–26
Data updated July 2026
The verdict · NAICS 62151
California leads Medical and Diagnostic Laboratories activity nationally. IRS SOI doesn't publish margin data at this NAICS level, but the broader Health Care and Social Assistance sector runs a 11.4% net margin.
- 11.4%
- Health Care and Social Assistance sector margin (IRS SOI)
- 332K
- Workers employed (Census CBP)
- $74,389/yr
- Avg payroll / employee
- $350M
- SBA lending, FY20–26
Benchmarking Insights for Medical and Diagnostic Laboratories
Medical and Diagnostic Laboratories sits inside Health Care and Social Assistance, a sector that runs a 11.4% net margin overall.
23,603 establishments employ 332,060 workers (14.1/location) at $74,389/yr average annual pay. California leads employment, followed by Texas and Florida.
Avg Payroll / Employee
$74,389/yr
Annual compensation
Establishments
23,603
Business locations
Release-over-release change
What changed from Census CBP 2022 to 2023
Employment decreased by 8,559; establishment count increased by 3,793. This comparison uses two published national Census County Business Patterns releases; suppressed fields are omitted rather than estimated.
Workforce scale
Financial Detail
- Annual Payroll (Total)
- $24.7B
- Avg Employees per Establishment
- 14.1
Sub-Industries
| Industry | Profit Margin |
|---|---|
| Diagnostic Imaging Centers NAICS 621512 | N/A |
| Medical Laboratories NAICS 621511 | N/A |
Top States by Employment
| State | Employment |
|---|---|
| California | 45,890 |
| Texas | 33,783 |
| Florida | 31,053 |
| New York | 19,138 |
| Arizona | 11,433 |
| Pennsylvania | 10,375 |
| Illinois | 9,425 |
| Ohio | 9,417 |
| Tennessee | 8,495 |
| Virginia | 7,889 |
Showing top 10 of 51 states
SBA Lending Activity
SBA FY2020–2026SBA Loans Approved
516
Total Loan Volume
$350M
Avg Loan Size
$679K
Jobs Supported
6,908
Program Breakdown
7(a) 469 (91%)
504 47 (9%)
Top SBA Lender
Banco Popular de Puerto Rico
47 loans in this industry
New Business Share
37.8% of borrowers were new/startup businesses
Annual Lending Trend (7 yrs)
2020 60
2021 84
2022 68
2023 73
2024 119
2025 102
2026 10
Frequently Asked Questions
How profitable is Medical and Diagnostic Laboratories?
IRS SOI doesn't publish margin data at the NAICS 62151 level. California leads this industry nationally. The broader Health Care and Social Assistance sector runs a 11.4% net margin (IRS SOI 2023).
How many businesses are in Medical and Diagnostic Laboratories?
23,603 business establishments. Together they employ 332,060 workers.
What is the average payroll per employee in Medical and Diagnostic Laboratories?
$74,389/yr average annual pay per employee. Businesses average 14.1 employees per establishment.
Which states have the most Medical and Diagnostic Laboratories employment?
California leads with 45,890 workers. Texas (33,783) and Florida (31,053) round out the top three.
How much SBA lending does Medical and Diagnostic Laboratories receive?
Medical and Diagnostic Laboratories businesses received 516 SBA loans totaling $350 million between FY2020 and FY2026. The average loan size was $679K. These loans supported 6,908 jobs at origination. Most lending (91%) came through the SBA 7(a) program.
Comparable industry benchmarks
These links are calculated from the current national dataset. They are comparison paths, not recommendations or evidence that businesses operate alike.
How this ranks: Its Census employment total exceeds 87% of that same 551-industry cohort. Calculated by ranking this industry's reported value against every other industry at the same NAICS digit-level, not the whole dataset: comparing a 6-digit detail industry to a 2-digit sector would mix incompatible scales.
Closest workforce scale
Same NAICS detail level, ordered by the smallest difference in reported Census employment.
Benchmarking Medical and Diagnostic Laboratories
- No margin data, check the parent industry. Browse Health Care and Social Assistance
- 23,603 establishments, 332,060 workers. Payroll benchmarks
- 516 SBA loans on record. SBA lending rankings
Disclaimer: Public IRS/Census data, not financial or tax advice. See our full disclaimer.
Sources: IRS Statistics of Income (SOI) Business Tax Statistics · Census Bureau County Business Patterns 2023
NAICS 62151 · Data year: 2023
According to the U.S. Census Bureau, which released its 2023 County Business Patterns dataset in June 2025, PlainBizBench benchmarks 2,002 U.S. industries against Internal Revenue Service Statistics of Income data. See our methodology for the full compilation process.
Read our methodology - how this data is sourced, computed, and verified.
Source: U.S. Census Bureau, County Business Patterns / SUSB Industry employment scale, payroll, and firm-size benchmarks · 2023
Every figure on PlainBizBench is rendered directly from federal source data, no number is typed in by an editor. This page aggregates profit-margin, payroll, entity-type, and SBA-lending benchmarks for this industry, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.
Disclaimer: Public IRS/Census data, not financial or tax advice. See our full disclaimer.