Iowa market at a glance
| Car washes (NAICS 811192) | 302 establishments (2022: 304) · 2,185 employees · $62.0 million payroll |
|---|---|
| All automotive repair and maintenance (NAICS 8111) | 2,100 establishments · 10,652 employees |
| Top counties | Polk 44, Woodbury 24, Linn 23, Scott 22, Black Hawk 10, Dubuque 10, Johnson 9, Dallas 8, Pottawattamie 8, Story 8 |
| Top metro areas (whole-metro counts) | Omaha, NE-IA: 82 (all states in the metro); Des Moines-West Des Moines, IA: 65; Davenport-Moline-Rock Island, IA-IL: 37 (all states in the metro); Sioux City, IA-NE-SD: 28 (all states in the metro); Cedar Rapids, IA: 25; Ames, IA: 13; Waterloo-Cedar Falls, IA: 12; Iowa City, IA: 11 |
| Households per establishment | 4,448 (US: 6,702) |
| Population | 3,241,488 |
| Households | 1,343,422 |
| Household vehicles | 2,664,097 (1.98 per household) |
| Median household income | $75,501 |
| Top counties, vehicles (ACS 5-year) | Polk 380,891, Linn 181,970, Scott 133,498, Johnson 111,362, Black Hawk 103,924, Dallas 83,791, Woodbury 79,664, Dubuque 77,843, Story 72,915, Pottawattamie 72,209 |
Source: US Census Bureau: County Business Patterns (CBP) 2023, ACS 2024 1-year; city populations, Vintage 2024. US = 50 states + DC.
Iowa window tint rules
Since July 1, 2026 (House File 766), Iowa Code 321.438(2) bars operating on the highway a motor vehicle with a front windshield below 70% light transmittance, or a side window to the immediate left or right of the driver, or a sidewing forward of the driver, below 50%. No tolerance is stated. Rear side windows and the rear window have no percentage and must only permit clear vision (321.438(1)).
Summary checked against Iowa Code § 321.438 (as amended by 2026 Iowa Acts ch. 1100, H.F. 766) on 2026-09-28. Verify current statutes before quoting.
Iowa ceramic shop questions
- How many ceramic coating businesses are there in Iowa?
- Census has no ceramic coating category. Its closest, car washes (NAICS 811192), counted 302 in Iowa in 2023, most in Polk (44), Woodbury (24), Linn (23), Scott (22) and Black Hawk (10) (Census County Business Patterns, 2023).
- How many vehicles are there in Iowa?
- Iowa households had 2,664,097 vehicles available, 1.98 per household (ACS 2024 1-year). By county, the most are in Polk (380,891), Linn (181,970), Scott (133,498), Johnson (111,362), Black Hawk (103,924) (ACS 2020-2024 5-year).
Ceramic coating shop software in neighbouring states
Number of car washes, CBP 2023.