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

Downy Woodpecker Population Trend in New Jersey

All statesForest birds

Downy Woodpecker in New Jersey has surged: up 151% on the route-weighted index since 1968.

+151%Since 1968
42Routes In State
58Years

Notable Downy Woodpecker Trends in New Jersey

long arc increasecomputed index

Downy Woodpecker has surged in New Jersey: up 151% on the route-weighted index since 1968.

Downy Woodpecker Population Forecast in New Jersey

If the recent trend holds, Downy Woodpecker in New Jersey is projected to rise about 16% by 2029 — from 3.3 in 2024 to a central estimate of 3.9 (95% range 2.8–5.0). A 5-year backtest shows a typical error of ±46.6%, with 60% of held-out values landing inside the 95% band.

+16%Change by 2029
3.9Projected 2029 index
2.8–5.095% range
±46.6%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
20253.72.64.9
20263.82.74.9
20273.82.74.9
20283.82.75.0
20293.92.85.0

Downy Woodpecker Survey Routes in New Jersey

Routes recording Downy Woodpecker in New Jersey.
Ramseysburg1420241995
Cape May Ch1220131992
Kemah Lake920241980
Hope819941970
Sandbrook720241969
Woodbury Hgt620241968
Clarksville619911972
Croton620071970
Spraguetown 3520242021
Winslow520241989
Croton 2520242008
Greenwich420231966
Passaic419691969
Holmansville320091969
Midvale320221967
Dover320231977
Pottersville320241977
Gillette320241988
Friendship320231977
Pomona320241978
Del Haven319911991
Bennett Mill 2320242016
Deepwater219771969
Toms River220241966
Albion220221966

Downy Woodpecker Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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