BirdAnalyst
Species · Ohio · BBS 2026 Release · 1966–2025

American Crow Population Trend in Ohio

All statesGeneralists

American Crow in Ohio has edged up: up 23% on the route-weighted index since 1968.

+23%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 →
89Routes 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 American Crow Trends in OhioNotable 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 American Crow in Ohio. See the full index history below.

American Crow Population Forecast in Ohio

If the recent trend holds, American Crow in Ohio is projected to rise about 38% by 2030 — from 25 in 2025 to a central estimate of 34 (95% range 25–44). A 5-year backtest shows a typical error of ±25.8%, with 80% of held-out values landing inside the 95% band.

+38%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 →
34Projected 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 →
25–4495% 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 →
±25.8%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, American Crow in Ohio is projected to rise about 38% by 2030 — from 25 in 2025 to a central estimate of 34 (95% range 25–44). A 5-year backtest shows a typical error of ±25.8%, with 80% 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 →
2026342443
2027342444
2028342444
2029342544
2030342544

American Crow Survey Routes in Ohio

Routes recording American Crow in Ohio.
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 →
Coshocton11619911990
Rome7820251966
Keene6620231992
Baxter Ridge6120251998
Tick Ridge6120191993
Garrettsvile5919911966
Coal Run5919921966
Dresden5420251966
Birmingham5420241988
Harveysburg4719961966
Stonecreek4520251996
Lucerne4220251992
Tecumseh4219821966
Lenox4120251966
Greasy Ridge4019911966
Adamsville3919891971
Omega3820241966
Strongsville3719951966
New Somerset3719931966
Wayland3620171992
Bolins Mills3620251966
Mohican S.F.3620251992
Wilgus3420191992
Scioto Trail3420131992
Cumberland3320171966

American Crow Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaoklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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