BirdAnalyst
Species · New Jersey · BBS 2025 Release · 1966–2024

Eastern Bluebird Population Trend in New Jersey

All statesForest birds

Eastern Bluebird in New Jersey has surged: up 615% on the route-weighted index since 1968.

+615%Since 1968
36Routes In State
53Years

Notable Eastern Bluebird Trends in New Jersey

long arc increasecomputed index

Eastern Bluebird has surged in New Jersey: up 615% on the route-weighted index since 1968.

Eastern Bluebird Population Forecast in New Jersey

If the recent trend holds, Eastern Bluebird in New Jersey is projected to fall about 33% by 2029 — from 4.0 in 2024 to a central estimate of 2.7 (95% range 1.6–3.8). A 5-year backtest shows a typical error of ±36%, with 60% of held-out values landing inside the 95% band.

-33%Change by 2029
2.7Projected 2029 index
1.6–3.895% range
±36%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
20252.51.43.6
20262.61.53.7
20272.61.53.7
20282.71.63.8
20292.71.63.8

Eastern Bluebird Survey Routes in New Jersey

Routes recording Eastern Bluebird in New Jersey.
Greenwich920241988
High Point920241977
Ramseysburg920241995
Dover720221994
Pottersville720241989
Cape May Ch720131993
Croton 2720242008
Woodbury Hgt620241989
Pomona620241982
Friendship520241977
Pedricktown 2520242014
Spraguetown 3520242023
Hope419931988
Winslow420241989
Sandbrook320241988
Croton320071982
Gillette320241989
Six Points220231996
Del Haven219911991
Toms River220241966
New Bedford220241986
Kemah Lake220241966
Keyport220172008
Cranbury220232001
Estell Manor220222022

Eastern Bluebird Population Trend in Other States

alabamaarizonaarkansascoloradoconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanew-hampshirenew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsinwyoming

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