Species · Pennsylvania · BBS 2025 Release · 1966–2024
Downy Woodpecker Population Trend in Pennsylvania
Downy Woodpecker in Pennsylvania has surged: up 76% on the route-weighted index since 1968.
+76%Since 1968
138Routes In State
58Years
Notable Downy Woodpecker Trends in Pennsylvania
long arc increasecomputed index
Downy Woodpecker has surged in Pennsylvania: up 76% on the route-weighted index since 1968.
Downy Woodpecker Population Forecast in Pennsylvania
If the recent trend holds, Downy Woodpecker in Pennsylvania is projected to stay roughly flat through 2029, near 3.1 (95% range 2.2–3.9). A 5-year backtest shows a typical error of ±10.6%, with 100% of held-out values landing inside the 95% band.
-4%Change by 2029
3.1Projected 2029 index
2.2–3.995% range
±10.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 3.0 | 2.1 | 3.8 |
| 2026 | 3.0 | 2.2 | 3.9 |
| 2027 | 3.0 | 2.2 | 3.9 |
| 2028 | 3.0 | 2.2 | 3.9 |
| 2029 | 3.1 | 2.2 | 3.9 |
Downy Woodpecker Survey Routes in Pennsylvania
| Schaefferstown 2 | 20 | 2024 | 2002 |
| Drehersville 2 | 14 | 2024 | 2000 |
| Doe Run | 13 | 2024 | 1969 |
| Ryde | 11 | 2005 | 1968 |
| Stoneybreak | 9 | 2024 | 1992 |
| Chatham | 9 | 2024 | 1997 |
| Eldred | 8 | 2022 | 1973 |
| Duvall | 8 | 2021 | 1974 |
| Betula | 7 | 2022 | 1976 |
| Greentown | 7 | 2024 | 1969 |
| Canadensis | 7 | 2024 | 1969 |
| Beaver | 7 | 2024 | 1969 |
| Waterstreet | 7 | 2024 | 1976 |
| Pine Gr Mill | 7 | 2024 | 1968 |
| Wild Creek | 7 | 2024 | 1988 |
| Lynch | 6 | 2022 | 1968 |
| Waller | 6 | 2024 | 1974 |
| Munson | 6 | 2024 | 1979 |
| Mifflintown | 6 | 2024 | 1966 |
| Drehersville | 6 | 1999 | 1967 |
| Laurel Hill | 6 | 2024 | 1978 |
| Mt Gretna 2 | 6 | 2022 | 2001 |
| Hop Bottom | 5 | 2024 | 1967 |
| Martinsburg | 5 | 2024 | 1972 |
| Geeseytown | 5 | 2024 | 1987 |
Downy Woodpecker Population Trend in Other States
alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonrhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.