Washington had 117 private worksites with 1,000 or more workers in early 2019, 119 in 2022, 137 in 2023, 153 in 2025 and 154 in 2026. The U.S. count went from 6,329 to 6,762. Washington's count rose about 32% and the U.S. count about 7%.
| area | index | sites | year |
|---|---|---|---|
| Washington | 100 | 117 | 2019 |
| United States | 100 | 6329 | 2019 |
| Washington | 102.6 | 120 | 2020 |
| United States | 100.9 | 6387 | 2020 |
| Washington | 96.6 | 113 | 2021 |
| United States | 97.4 | 6165 | 2021 |
| Washington | 101.7 | 119 | 2022 |
| United States | 102.5 | 6489 | 2022 |
| Washington | 117.1 | 137 | 2023 |
| United States | 105.2 | 6661 | 2023 |
| Washington | 124.8 | 146 | 2024 |
| United States | 105.9 | 6702 | 2024 |
| Washington | 130.8 | 153 | 2025 |
| United States | 107.8 | 6823 | 2025 |
| Washington | 131.6 | 154 | 2026 |
| United States | 106.8 | 6762 | 2026 |