BirdAnalyst
Species · Washington · BBS 2025 Release · 1966–2024

Bald Eagle Population Trend in Washington

All statesGeneralists

Bald Eagle in Washington has surged: up 747% on the route-weighted index since 1976.

+747%Since 1976
64Routes In State
47Years

Notable Bald Eagle Trends in Washington

long arc increasecomputed index

Bald Eagle has surged in Washington: up 747% on the route-weighted index since 1976.

Bald Eagle Population Forecast in Washington

If the recent trend holds, Bald Eagle in Washington is projected to rise about 18% by 2029 — from 0.72 in 2024 to a central estimate of 0.85 (95% range 0.52–1.2). A 5-year backtest shows a typical error of ±17.1%, with 80% of held-out values landing inside the 95% band.

+18%Change by 2029
0.85Projected 2029 index
0.52–1.295% range
±17.1%Backtest error
19732029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20250.780.451.1
20260.800.461.1
20270.810.481.1
20280.830.501.2
20290.850.521.2

Bald Eagle Survey Routes in Washington

Routes recording Bald Eagle in Washington.
Ozette820241976
Port Angeles520231977
Taholah520221975
South Elma420242000
Nighthawk420241999
Bay View420171996
Twisp320192004
Chewelah320212012
Vashon Is.320181997
Kendall320241994
Raymond 2320242022
Curlew320182012
Omak Creek320242010
Yakima320242007
Warm Beach 2320242018
Brewster220182008
Deception220181992
Bunker Hill220241983
Mcchord220142004
Snowden220162016
Everett220242015
Wilbur220232019
Ewan220062006
Ilwaco220231991
Hurricane Rg220152015

Bald Eagle Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniasouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawest-virginiawisconsinwyoming

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.