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Species · Indiana · BBS 2026 Release · 1966–2025

Downy Woodpecker Population Trend in Indiana

All statesForest birds

Downy Woodpecker in Indiana has increased: up 40% on the route-weighted index since 1968.

+40%Since 1968TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
68Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
59YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Downy Woodpecker Trends in IndianaNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for Downy Woodpecker in Indiana. See the full index history below.

Downy Woodpecker Population Forecast in Indiana

If the recent trend holds, Downy Woodpecker in Indiana is projected to rise about 14% by 2030 — from 2.5 in 2025 to a central estimate of 2.8 (95% range 1.9–3.8). A 5-year backtest shows a typical error of ±12%, with 100% of held-out values landing inside the 95% band.

+14%Change by 2030TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
2.8Projected 2030 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
1.9–3.895% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±12%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, Downy Woodpecker in Indiana is projected to rise about 14% by 2030 — from 2.5 in 2025 to a central estimate of 2.8 (95% range 1.9–3.8). A 5-year backtest shows a typical error of ±12%, with 100% of held-out values landing inside the 95% band.19662030
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
20262.81.83.7
20272.81.83.7
20282.81.83.8
20292.81.83.8
20302.81.93.8

Downy Woodpecker Survey Routes in Indiana

Routes recording Downy Woodpecker in Indiana.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
Belmont1420241981
Witts Station1020252000
Millersburg820241981
Wallace820241999
Middletown720251966
Azalia620251982
Brookville620251966
Celestine620251979
Laporte620232000
Maplewood620212001
Lakeville620241993
Thorntown520251982
Wabash520251981
New Castle520242002
Anderson520252000
Hoosier520251990
Knox420251989
Monticello420251982
Pimento420251981
Indian Spgs420251983
Cyprss420252004
Packertown 2420252005
Kewanna320161981
Berne320231966
Jamestown320251986

Downy Woodpecker Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.