Employment
332,060
Total employees (Census CBP)
Health Care and Social Assistance ·NAICS 62151
NAICS 62151 · IRS SOI (C corp) · Census CBP 2023
$74,389/yr average annual pay, with 516 SBA loans on record for NAICS 62151.
Data updated August 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 5.3% net margin.
Use Medical and Diagnostic Laboratories's NAICS benchmark as a comparison point, not a forecast for one business.
Medical and Diagnostic Laboratories is reported here with financial measures from IRS Statistics of Income and workforce measures from Census County Business Patterns. The page keeps those source systems distinct, shows unavailable fields rather than estimating them, and links the underlying industry context so readers can compare the same NAICS activity before interpreting a margin or payroll figure.
Source: IRS SOI (C corporation headline) and Census County Business Patterns 2023
Medical and Diagnostic Laboratories sits inside Health Care and Social Assistance, a sector that runs a 5.3% 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.
Employment
332,060
Total employees (Census CBP)
Avg Payroll / Employee
$74,389/yr
Annual compensation
Establishments
23,603
Business locations
Release-over-release change
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.
Subscribe to this industry's release updates (RSS)| Industry | Profit Margin |
|---|---|
| Diagnostic Imaging Centers NAICS 621512 | N/A |
| Medical Laboratories NAICS 621511 | N/A |
| 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 Loans Approved
516
Total Loan Volume
$350M
Avg Loan Size
$679K
Jobs Supported
6,908
Top SBA Lender
Banco Popular de Puerto Rico
47 loans in this industry
New Business Share
37.8% of borrowers were new/startup businesses
These links are calculated from the current national dataset. They are comparison paths, not recommendations or evidence that businesses operate alike.
According to Census County Business Patterns 2023, Medical and Diagnostic Laboratories ranks #71 of 551 U.S. industries at the 5-digit NAICS level by total employment.
Same NAICS detail level, ordered by the smallest difference in reported Census employment.
Benchmarking Medical and Diagnostic Laboratories
Sources: IRS Statistics of Income (SOI) Business Tax Statistics · Census Bureau County Business Patterns 2023
NAICS 62151 · CBP 2023 · IRS SOI
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.