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

Downy Woodpecker Population Trend in New Hampshire

All statesForest birds

Downy Woodpecker in New Hampshire has surged: up 81% on the route-weighted index since 1968.

+81%Since 1968
26Routes In State
58Years

Notable Downy Woodpecker Trends in New Hampshire

long arc increasecomputed index

Downy Woodpecker has surged in New Hampshire: up 81% on the route-weighted index since 1968.

Downy Woodpecker Population Forecast in New Hampshire

If the recent trend holds, Downy Woodpecker in New Hampshire is projected to stay roughly flat through 2029, near 3.4 (95% range 2.5–4.3). A 5-year backtest shows a typical error of ±23.4%, with 80% of held-out values landing inside the 95% band.

+5%Change by 2029
3.4Projected 2029 index
2.5–4.395% range
±23.4%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
20253.22.34.1
20263.32.44.2
20273.32.44.2
20283.32.44.2
20293.42.54.3

Downy Woodpecker Survey Routes in New Hampshire

Routes recording Downy Woodpecker in New Hampshire.
Dover1220241966
Peterborough820241967
Concord820241967
East Kingston820241999
Epsom520231966
Marlow520241966
Brentwood419981966
Canterbury420241968
Mt Chocorua420241968
Jefferson Hl420241966
Fitzwilliam320241968
Gilmantn I W320231970
Wilmot320241966
Walpole320241967
Lempster320241966
Strafford220241966
Crawford Not219751967
Glen220221975
Dixville Notch 2220242018
Hopkinton120231969
Franconia120241966
Milan120231969
Stratford120211967
Dixvil Notch120171981
Clarksville120231968

Downy Woodpecker Population Trend in Other States

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

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