BirdAnalyst
Species · BCR 30 · BBS 2025 Release · 1966–2024

Chipping Sparrow In New England / Mid-Atlantic Coast

All regionsNew England / Mid-Atlantic CoastGeneralists

Chipping Sparrow in New England / Mid-Atlantic Coast has risen sharply: up 54% on the route-weighted index since 1968.

+54%Since 1968
163Routes In Region
58Years

Notable Signals

long arc increasecomputed index

Chipping Sparrow has risen sharply in New England / Mid-Atlantic Coast: up 53% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Chipping Sparrow in New England / Mid-Atlantic Coast is projected to rise about 11% by 2029 — from 29 in 2024 to a central estimate of 32 (95% range 26–38). A 5-year backtest shows a typical error of ±3.8%, with 100% of held-out values landing inside the 95% band.

+11%Change by 2029
32Projected 2029 index
26–3895% range
±3.8%Backtest error
19662029
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
2025312536
2026312537
2027312637
2028322637
2029322638

Routes In New England / Mid-Atlantic Coast

Routes recording Chipping Sparrow in New England / Mid-Atlantic Coast.
BrocktonMASSACHUSETTS1112019
CokesburyMARYLAND862024
Island CreekMARYLAND862024
WarrenCONNECTICUT772011
UncasvilleCONNECTICUT692024
Casimir Pulaski SfRHODE-ISLAND642018
Woodbury HgtNEW-JERSEY622024
HarmonyMARYLAND582017
Forest GroveMARYLAND582023
HolleyvilleDELAWARE562004
Tall TimbersMARYLAND542014
HughesvilleMARYLAND502024
Wellfleet 2MASSACHUSETTS462024
ElktonMARYLAND452024
MansfieldMASSACHUSETTS452024
BelchertownMASSACHUSETTS452024
S BarreMASSACHUSETTS452024
DoverNEW-HAMPSHIRE432024
Mid HaddamCONNECTICUT422024
Kittery PtMAINE422024
Piney NeckMARYLAND422024
Quonset PtRHODE-ISLAND422024
QuinbyVIRGINIA422024
ShermanCONNECTICUT412019
MillsboroDELAWARE412024

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