Species · Idaho · BBS 2025 Release · 1966–2024

Chipping Sparrow Population Trend in Idaho

Chipping Sparrow in Idaho has risen sharply: up 61% on the route-weighted index since 1970.

+61%Since 1970
58Routes In State
56Years

Notable Chipping Sparrow Trends in Idaho

long arc increasecomputed index

Chipping Sparrow has risen sharply in Idaho: up 61% on the route-weighted index since 1970.

Chipping Sparrow Population Forecast in Idaho

If the recent trend holds, Chipping Sparrow in Idaho is projected to stay roughly flat through 2029, near 6.8 (95% range 3.3–10). A 5-year backtest shows a typical error of ±18.4%, with 100% of held-out values landing inside the 95% band.

+9%Change by 2029
6.8Projected 2029 index
3.31095% range
±18.4%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
20256.73.210
20266.83.210
20276.83.310
20286.83.310
20296.83.310

Chipping Sparrow Survey Routes in Idaho

Routes recording Chipping Sparrow in Idaho.
Cascade6919841968
Coolin3220241986
Cabarton3020231985
Deep Creek2019851985
Rochat Divde2020231993
Gifford1920171971
Sunbeam1920191994
Cape Horn1820241972
Mivoden1620231977
Avery1620231979
Cobalt1420241989
Alturas1319871968
Featherville1320241989
Dougal Res1320241988
Sawtooth Cty1320141988
Naples1220241972
Centerville1220191972
Magic Mtn1220241987
Baldy Mountain1120162013
Grangeville1020241986
Lolo Pass820191992
Blacks Creek819821973
N Fork Cda R820191993
Yellow Pine820161989
Nezperce720121968

Chipping Sparrow Population Trend in Other States

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