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Species · Oklahoma · BBS 2025 Release · 1966–2024

Grasshopper Sparrow Population Trend in Oklahoma

All statesGrassland birds

Grasshopper Sparrow in Oklahoma has surged: up 333% on the route-weighted index since 1969.

+333%Since 1969
64Routes In State
57Years

Notable Grasshopper Sparrow Trends in Oklahoma

long arc increasecomputed index

Grasshopper Sparrow has surged in Oklahoma: up 333% on the route-weighted index since 1969.

Grasshopper Sparrow Population Forecast in Oklahoma

If the recent trend holds, Grasshopper Sparrow in Oklahoma is projected to stay roughly flat through 2029, near 12 (95% range 8.2–15). A 5-year backtest shows a typical error of ±10.8%, with 100% of held-out values landing inside the 95% band.

-5%Change by 2029
12Projected 2029 index
8.2–1595% range
±10.8%Backtest error
19672029
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
2025117.614
2026117.815
2027117.915
2028118.115
2029128.215

Grasshopper Sparrow Survey Routes in Oklahoma

Routes recording Grasshopper Sparrow in Oklahoma.
Clear Lake9020241994
Hooker7620241992
Hardesty5620241970
Sickles2720211994
Tegarden2620161967
Cooperton2620241992
Beaver2520181979
Keyes2520241992
Douglas2220221967
Arapaho1420141992
Phroso1220241991
Matoy1120001992
Cashion1120241992
Reed1020191972
Hunter920241992
Colony819951995
Foraker820241992
Wichita Mts West820222004
Barnsdall719761967
Jet720241992
Woodward720241992
Ft Sill East719941994
Grimes620241968
Bartlesville620241967
Lookout620241967

Grasshopper Sparrow Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooregonpennsylvaniasouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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