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

Song Sparrow Population Trend in Oregon

All statesGeneralists

Song Sparrow in Oregon has declined: down 28% on the route-weighted index since 1970.

-28%Since 1970
134Routes In State
56Years

Notable Song Sparrow Trends in Oregon

No notable trend signals for Song Sparrow in Oregon. See the full index history below.

Song Sparrow Population Forecast in Oregon

If the recent trend holds, Song Sparrow in Oregon is projected to stay roughly flat through 2029, near 8.3 (95% range 5.8–11). A 5-year backtest shows a typical error of ±9.2%, with 100% of held-out values landing inside the 95% band.

-9%Change by 2029
8.3Projected 2029 index
5.8–1195% range
±9.2%Backtest error
19682029
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
20258.66.111
20268.56.011
20278.55.911
20288.45.911
20298.35.811

Song Sparrow Survey Routes in Oregon

Routes recording Song Sparrow in Oregon.
Tualatin6420241968
Salem4820241993
Scappoose4520231995
Glasgow4320241986
Wedderburn4220241970
Elkton4220241972
Umpqua4020241968
Fish Lake4020241972
Coquille3920241994
Adair3720241971
Hazel Camp3720221975
Sandy River3720061993
Garfield3520231973
Hauser3419851970
Svensen3319921990
Imnaha3020241968
Salado2920241968
Fisher2720101997
Harlan 22720242011
Lorane2520241993
Klickitat Mt2419961993
Silver Creek2320241984
Donelly 22220242018
Nicolai Mtn.2120241993
Hells Canyon2120221992

Song Sparrow Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawaregeorgiaidahoillinoisindianaiowakansaskentuckymainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiopennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseeutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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