BirdAnalyst
Species · South Dakota · BBS 2025 Release · 1966–2024

House Sparrow Population Trend in South Dakota

All statesGeneralists

House Sparrow in South Dakota has fallen sharply: down 58% on the route-weighted index since 1969.

-58%Since 1969
55Routes In State
57Years

Notable House Sparrow Trends in South Dakota

long arc declinecomputed index

House Sparrow has fallen sharply in South Dakota: down 58% on the route-weighted index since 1969.

House Sparrow Population Forecast in South Dakota

If the recent trend holds, House Sparrow in South Dakota is projected to fall about 100% by 2029 — from 16 in 2024 to a central estimate of 0.00 (95% range 0.00–20). A 5-year backtest shows a typical error of ±111.3%, with 100% of held-out values landing inside the 95% band.

-100%Change by 2029
0.00Projected 2029 index
0.00–2095% range
±111.3%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
20250.780.0020
20260.270.0020
20270.000.0020
20280.000.0020
20290.000.0020

House Sparrow Survey Routes in South Dakota

Routes recording House Sparrow in South Dakota.
Conde36419841967
Tripp9920241967
Owanka8620221967
Howard6020241970
Forbes5420241968
Volga4020241967
Lennox3720241967
Turton3320241985
White Lake2420111967
Crow Creek2020191968
Lane 21920142000
Britton1720231967
Lane1619991968
Raymond1320211967
Ft Thompson1320111967
White River1020131994
Custer820241967
Chamberlain620111967
Wilmot620241967
Roubaix Lk619891973
Eagle Butte620131990
Isabel620131990
S. Pioneer620021998
Veblen520231967
Gorman520101979

House Sparrow Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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