Plumbing businesses in Iowa.
Iowa holds 835 tracked plumbing businesses, 1.7% of the national total, ranking #23 of 51 with 14.8 per 1,000 employer firms in the state.
835
Tracked businesses
#23
National rank
14.8
Per 1,000 businesses
Des Moines
Top city
Where they concentrate
| City | Tracked businesses | Share of state |
|---|---|---|
| Des Moines | 13 | 1.6% |
| Sioux City | 12 | 1.4% |
| Davenport | 9 | 1.1% |
| Cedar Rapids | 7 | 0.8% |
| Ames | 7 | 0.8% |
| Council Bluffs | 6 | 0.7% |
| Marion | 5 | 0.6% |
| Iowa City | 5 | 0.6% |
| Newton | 4 | 0.5% |
| Fort Dodge | 4 | 0.5% |
Methodology. Web-present plumbing businesses tracked nationally (deduplicated). An activity-verification pass is in progress; counts are tracked entities, not verified-active counts, and will tighten as verification completes.
Total employer firms (all sectors) per state, US Census Bureau Business Dynamics Statistics, 2023. Density is vertical entities per 1,000 employer firms. Iowa: 56,436 employer firms. Last updated 2026-06-11. Cite freely with a link.
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