Employment
99,727
Total employees (Census CBP)
Health Care and Social Assistance ·NAICS 621512
NAICS 621512 · IRS SOI (C corp) · Census CBP 2023
Diagnostic Imaging Centers - Industry Benchmarks
$74,933/yr average annual pay, with 187 SBA loans on record for NAICS 621512.
- 5.3%
- Health Care and Social Assistance sector margin
- 100K
- Workers employed
- $74,933/yr
- Avg payroll / employee
- $159M
- SBA lending, FY20–26
Data updated August 2026
The verdict · NAICS 621512
Florida leads Diagnostic Imaging Centers 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.
- 5.3%
- Health Care and Social Assistance sector margin (IRS SOI)
- 100K
- Workers employed (Census CBP)
- $74,933/yr
- Avg payroll / employee
- $159M
- SBA lending, FY20–26
Use Diagnostic Imaging Centers's NAICS benchmark as a comparison point, not a forecast for one business.
Diagnostic Imaging Centers 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
Benchmarking Insights for Diagnostic Imaging Centers
Diagnostic Imaging Centers sits inside Health Care and Social Assistance, a sector that runs a 5.3% net margin overall.
6,968 establishments employ 99,727 workers (14.3/location) at $74,933/yr average annual pay. Florida leads employment, followed by Texas and New York.
Diagnostic Imaging Centers sits in the 73rd percentile for employment among 6-digit NAICS industries with reported data.
Avg Payroll / Employee
$74,933/yr
Annual compensation
Establishments
6,968
Business locations
Release-over-release change
What changed from Census CBP 2022 to 2023
Employment decreased by 2,077; establishment count increased by 64. 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)Workforce scale
Financial Detail
- Annual Payroll (Total)
- $7.5B
- Avg Employees per Establishment
- 14.3
Top States by Employment
| State | Employment |
|---|---|
| Florida | 12,668 |
| Texas | 12,433 |
| New York | 8,199 |
| New Jersey | 4,622 |
| Ohio | 2,780 |
| North Carolina | 2,778 |
| Illinois | 2,540 |
| Pennsylvania | 2,476 |
| Massachusetts | 2,150 |
| Michigan | 2,067 |
Showing top 10 of 51 states
SBA Lending Activity
SBA FY2020–2026SBA Loans Approved
187
Total Loan Volume
$159M
Avg Loan Size
$851K
Jobs Supported
2,793
Program Breakdown
7(a) 171 (91%)
504 16 (9%)
Top SBA Lender
Bank of America, National Association
9 loans in this industry
New Business Share
37.4% of borrowers were new/startup businesses
Annual Lending Trend (7 yrs)
2020 17
2021 33
2022 22
2023 19
2024 48
2025 44
2026 4
Frequently Asked Questions
How profitable is Diagnostic Imaging Centers?
IRS SOI doesn't publish margin data at the NAICS 621512 level. Florida leads this industry nationally. The broader Health Care and Social Assistance sector runs a 5.3% net margin (IRS SOI 2013 C corp).
How many businesses are in Diagnostic Imaging Centers?
6,968 business establishments. Together they employ 99,727 workers.
What is the average payroll per employee in Diagnostic Imaging Centers?
$74,933/yr average annual pay per employee. Businesses average 14.3 employees per establishment.
Which states have the most Diagnostic Imaging Centers employment?
Florida leads with 12,668 workers. Texas (12,433) and New York (8,199) round out the top three.
How much SBA lending does Diagnostic Imaging Centers receive?
Diagnostic Imaging Centers businesses received 187 SBA loans totaling $159 million between FY2020 and FY2026. The average loan size was $851K. These loans supported 2,793 jobs at origination. Most lending (91%) came through the SBA 7(a) program.
Nationwide industries with similar benchmark drivers
Two IRS/Census peer sets for Diagnostic Imaging Centers, both at NAICS level 6 and excluding this code so the neighborhoods are not self-links.
According to Census County Business Patterns 2023, Diagnostic Imaging Centers ranks #220 of 801 U.S. industries at the 6-digit NAICS level by total employment.
Similar workforce scale
Nearest peer industries by ABS(Census employment) (99,727 here).
Read with this industry: Industry employment trends · Health Care and Social Assistance · 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 621512 · 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.
Disclaimer: Public IRS/Census data, not financial or tax advice. See our full disclaimer.