BirdAnalyst
Species · Indiana · BBS 2025 Release · 1966–2024

Downy Woodpecker Population Trend in Indiana

All statesForest birds

Downy Woodpecker in Indiana has increased: up 47% on the route-weighted index since 1968.

+47%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 →
67Routes 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 →
58YearsYears 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 stay roughly flat through 2029, near 2.8 (95% range 1.9–3.8). A 5-year backtest shows a typical error of ±10.8%, with 100% of held-out values landing inside the 95% band.

-4%Change by 2029TrendPercent 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 2029 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 →
±10.8%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 stay roughly flat through 2029, near 2.8 (95% range 1.9–3.8). A 5-year backtest shows a typical error of ±10.8%, with 100% of held-out values landing inside the 95% band.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 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 →
20252.81.83.7
20262.81.83.8
20272.81.83.8
20282.81.83.8
20292.81.93.8

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 Station1120242000
Azalia920241982
Monticello820241982
Millersburg820241981
Wallace820241999
Indian Spgs720241983
Laporte620232000
Maplewood620212001
Lakeville620241993
Wabash520241981
Washington520241987
Clear Spring520241981
New Castle520242002
Cross Plains520242000
Thorntown420241982
Brazil420241966
Shelbyville420241983
Georgia420241999
Kewanna320161981
Galveston320241981
Swayzee320231981
Berne320231966
Jamestown320241986
Spencer320241967

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 2026-05-22.