Employment
32,020
Total employees (Census CBP)
Manufacturing ·NAICS 331511
NAICS 331511 · IRS SOI 2023 · Census CBP
Iron Foundries - Industry Benchmarks
$72,315/yr average annual pay, with 15 SBA loans on record for NAICS 331511.
- 269
- Establishments
- 32K
- Workers employed
- $72,315/yr
- Avg payroll / employee
- $14M
- SBA lending, FY20–26
Data updated July 2026
The verdict · NAICS 331511
Alabama leads Iron Foundries activity nationally, across 269 establishments employing 32K workers. IRS SOI doesn't publish margin data at this NAICS level.
- 269
- Business establishments (Census)
- 32K
- Workers employed (Census CBP)
- $72,315/yr
- Avg payroll / employee
- $14M
- SBA lending, FY20–26
Benchmarking Insights for Iron Foundries
Iron Foundries sits inside Manufacturing.
269 establishments employ 32,020 workers (119.0/location) at $72,315/yr average annual pay. Alabama leads employment, followed by Michigan and Pennsylvania.
Avg Payroll / Employee
$72,315/yr
Annual compensation
Establishments
269
Business locations
Release-over-release change
What changed from Census CBP 2022 to 2023
Employment decreased by 386; establishment count decreased by 17. 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)
- $2.3B
- Avg Employees per Establishment
- 119.0
Top States by Employment
| State | Employment |
|---|---|
| Alabama | 4,002 |
| Michigan | 2,653 |
| Pennsylvania | 2,306 |
| Tennessee | 1,206 |
| Minnesota | 1,011 |
| Georgia | 658 |
| Washington | 572 |
| California | 450 |
Showing top 10 of 24 states
SBA Lending Activity
SBA FY2020–2026SBA Loans Approved
15
Total Loan Volume
$14M
Avg Loan Size
$954K
Jobs Supported
378
Program Breakdown
7(a) 14 (93%)
504 1 (7%)
Top SBA Lender
TD Bank, National Association
2 loans in this industry
New Business Share
13.3% of borrowers were new/startup businesses
Annual Lending Trend (6 yrs)
2020 4
2021 2
2022 1
2023 1
2024 3
2025 4
Frequently Asked Questions
How many businesses are in Iron Foundries?
269 business establishments. Together they employ 32,020 workers.
What is the average payroll per employee in Iron Foundries?
$72,315/yr average annual pay per employee. Businesses average 119.0 employees per establishment.
Which states have the most Iron Foundries employment?
Alabama leads with 4,002 workers. Michigan (2,653) and Pennsylvania (2,306) round out the top three.
How much SBA lending does Iron Foundries receive?
Iron Foundries businesses received 15 SBA loans totaling $14 million between FY2020 and FY2026. The average loan size was $954K. These loans supported 378 jobs at origination. Most lending (93%) 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 43% 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.
Benchmarking Iron Foundries
- No margin data, check the parent industry. Browse Manufacturing
- 269 establishments, 32,020 workers. Payroll benchmarks
- 15 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 331511 · 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.