Employment
99,727
Total employees (Census CBP)
Health Care and Social Assistance ·NAICS 621512
NAICS 621512 · IRS SOI 2023 · Census CBP
Diagnostic Imaging Centers - Industry Benchmarks
$74,933/yr average annual pay, with 187 SBA loans on record for NAICS 621512.
- 11.4%
- Health Care and Social Assistance sector margin
- 100K
- Workers employed
- $74,933/yr
- Avg payroll / employee
- $159M
- SBA lending, FY20–26
Data updated July 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 11.4% net margin.
- 11.4%
- 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
Benchmarking Insights for Diagnostic Imaging Centers
Diagnostic Imaging Centers sits inside Health Care and Social Assistance, a sector that runs a 11.4% 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.
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.
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 11.4% net margin (IRS SOI 2023).
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.
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 73% of that same 801-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.
- Automobile Manufacturing 99,754
- Hardware Merchant Wholesalers 99,773
- Ship Building and Repairing 99,786
Benchmarking Diagnostic Imaging Centers
- No margin data, check the parent industry. Browse Health Care and Social Assistance
- 6,968 establishments, 99,727 workers. Payroll benchmarks
- 187 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 621512 · 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.