Species · Washington · BBS 2025 Release · 1966–2024
American Barn Owl Population Trend in Washington
American Barn Owl in Washington has held roughly steady: up 4% on the route-weighted index since 1989.
+4%Since 1989
13Routes In State
16Years
Notable American Barn Owl Trends in Washington
No notable trend signals for American Barn Owl in Washington. See the full index history below.
American Barn Owl Survey Routes in Washington
| Pomeroy | 2 | 2024 | 2010 |
| Montesand | 2 | 1995 | 1987 |
| Lake Chelan | 2 | 2018 | 2018 |
| Mercer | 2 | 2015 | 2015 |
| Warm Beach | 1 | 1994 | 1994 |
| Hanford Site | 1 | 1992 | 1992 |
| Wilbur | 1 | 2005 | 2005 |
| Ellensburg | 1 | 1995 | 1995 |
| Pe Ell | 1 | 1994 | 1994 |
| Carnation | 1 | 2004 | 2004 |
| Wapato | 1 | 1992 | 1992 |
| Camas | 1 | 2018 | 2000 |
| Malden | 1 | 2008 | 2008 |
American Barn Owl Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.