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

House Sparrow Population Trend in Michigan

All statesGeneralists

House Sparrow in Michigan has collapsed: down 76% on the route-weighted index since 1968.

-76%Since 1968
94Routes In State
58Years

Notable House Sparrow Trends in Michigan

long arc declinecomputed index

House Sparrow has collapsed in Michigan: down 76% on the route-weighted index since 1968.

House Sparrow Population Forecast in Michigan

If the recent trend holds, House Sparrow in Michigan is projected to fall about 100% by 2029 — from 22 in 2024 to a central estimate of 0.00 (95% range 0.00–20). A 5-year backtest shows a typical error of ±96.8%, with 20% of held-out values landing inside the 95% band.

-100%Change by 2029
0.00Projected 2029 index
0.00–2095% range
±96.8%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
20253.20.0023
20262.00.0022
20270.810.0021
20280.000.0020
20290.000.0020

House Sparrow Survey Routes in Michigan

Routes recording House Sparrow in Michigan.
Hamtramck17019841978
Adair14519951974
New Troy12920241971
Lapeer10620242000
S Lyons9119921966
Ola8520241974
Holt8420241969
St Charles8020191967
Hamburg 27720242004
Maple Rapids7220231987
Homer7220241975
Drayton Plns7119871973
Bell Oak6320141966
Bell Oak 26120232016
Pettysville5819791969
Galesburg5120241966
Coopersville4620241979
Mottville4020241967
Nashville3920241968
New Buffalo3920141992
No Bradley3820241970
Richmond3720241999
Lawrence3420241969
Adrian3420181966
Juniata3420241966

House Sparrow Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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