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

Common Grackle Population Trend in Ohio

All statesGeneralists

Common Grackle in Ohio has fallen sharply: down 61% on the route-weighted index since 1968.

-61%Since 1968
89Routes In State
58Years

Notable Common Grackle Trends in Ohio

long arc declinecomputed index

Common Grackle has fallen sharply in Ohio: down 61% on the route-weighted index since 1968.

Common Grackle Population Forecast in Ohio

If the recent trend holds, Common Grackle in Ohio is projected to stay roughly flat through 2029, near 32 (95% range 4.7–60). A 5-year backtest shows a typical error of ±23.7%, with 100% of held-out values landing inside the 95% band.

+0%Change by 2029
32Projected 2029 index
4.7–6095% range
±23.7%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
2025381065
2026368.864
2027357.462
2028346.161
2029324.760

Common Grackle Survey Routes in Ohio

Routes recording Common Grackle in Ohio.
Harveysburg39119961966
Wilmington28719961966
Newport27419941966
W Carrollton20920151989
Marion 220220242024
Bismark19619951967
Vickery15620241996
Tecumseh15319821966
Peru13819781966
Dunlap11719881966
Graytown11019841966
Kalida10620191966
Kings Creek9920151992
Troy9419961966
Garrettsvile7619911966
Greasy Ridge7519911966
Westerville7319851966
Hebron7020241966
Bloomville6920241992
Omega6920241966
Napoleon6520241966
Cumberland5720171966
Botkins5620191992
Xenia5520181966
Lockport5420241966

Common Grackle Population Trend in Other States

alabamaarkansascoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaoklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawest-virginiawisconsinwyoming

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