Where Are the Most Janitorial/Cleaning Businesses in the U.S.? (2026 County Data)
Using Valtr market data, here are the U.S. counties with the most janitorial/cleaning businesses, 66,308 counted across 1719 counties.
If you're weighing whether to start a janitorial or cleaning business, the first question isn't "is it profitable" in the abstract, it's how saturated is your specific market. We pulled the Valtr market data to map exactly where janitorial/cleaning businesses cluster.
The data
Across the 1719 U.S. counties with reportable data, the Census counts 66,308 janitorial/cleaning businesses. The most concentrated county is Los Angeles County, California with 1409.
Top 25 counties by number of janitorial/cleaning businesses
| # | County | Establishments |
|---|---|---|
| 1 | Los Angeles County, California | 1409 |
| 2 | Cook County, Illinois | 1083 |
| 3 | Maricopa County, Arizona | 807 |
| 4 | San Diego County, California | 683 |
| 5 | Miami-Dade County, Florida | 666 |
| 6 | Broward County, Florida | 640 |
| 7 | Orange County, California | 616 |
| 8 | King County, Washington | 608 |
| 9 | Harris County, Texas | 595 |
| 10 | Palm Beach County, Florida | 551 |
| 11 | Clark County, Nevada | 523 |
| 12 | Suffolk County, New York | 496 |
| 13 | Orange County, Florida | 483 |
| 14 | Hillsborough County, Florida | 445 |
| 15 | Dallas County, Texas | 435 |
| 16 | Hennepin County, Minnesota | 429 |
| 17 | Middlesex County, Massachusetts | 417 |
| 18 | Riverside County, California | 415 |
| 19 | Santa Clara County, California | 399 |
| 20 | Gwinnett County, Georgia | 389 |
| 21 | Fairfax County, Virginia | 357 |
| 22 | Mecklenburg County, North Carolina | 357 |
| 23 | Salt Lake County, Utah | 356 |
| 24 | New York County, New York | 349 |
| 25 | Wake County, North Carolina | 343 |
Density isn't destiny, a high count can mean strong demand or a saturated market. Score your specific location with Valtr to see whether the numbers say go or stop where you are.
Source: Valtr market data
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