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

Chipping Sparrow Population Trend in Oregon

All statesGeneralists

Chipping Sparrow in Oregon has edged down: down 23% on the route-weighted index since 1970.

-23%Since 1970
116Routes In State
56Years

Notable Chipping Sparrow Trends in Oregon

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

Chipping Sparrow Population Forecast in Oregon

If the recent trend holds, Chipping Sparrow in Oregon is projected to fall about 13% by 2029 — from 7.2 in 2024 to a central estimate of 6.2 (95% range 3.3–9.1). A 5-year backtest shows a typical error of ±12.4%, with 100% of held-out values landing inside the 95% band.

-13%Change by 2029
6.2Projected 2029 index
3.3–9.195% range
±12.4%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
20256.53.69.5
20266.43.59.4
20276.43.49.3
20286.33.49.2
20296.23.39.1

Chipping Sparrow Survey Routes in Oregon

Routes recording Chipping Sparrow in Oregon.
Ochoco8719821972
Barnhouse5920241998
Barnes Val5719871971
Monument4120241993
Bald Mtn.3620241992
Desolation3520071993
Eagle Creek2920221993
Sisters2720241997
Silvies2720241994
Black Mtn.2620041993
Hells Canyon2520221992
Donnelly2520061994
Newbridge2220241992
Paisley2120241973
Logdell2020241971
Camp Sherman2019961972
Hash Rock2020241983
Badger Creek2020241992
Silver Creek1920241984
Flora1820231986
Bly1820011973
Howard Mdws.1620241992
Troy1620241992
Paunina1620241993
Lapham Res.1520241992

Chipping Sparrow Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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