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

House Finch Population Trend in Washington

All statesGeneralists

House Finch in Washington has surged: up 129% on the route-weighted index since 1970.

+129%Since 1970
87Routes In State
56Years

Notable House Finch Trends in Washington

long arc increasecomputed index

House Finch has surged in Washington: up 129% on the route-weighted index since 1970.

House Finch Population Forecast in Washington

If the recent trend holds, House Finch in Washington is projected to rise about 21% by 2029 — from 8.4 in 2024 to a central estimate of 10 (95% range 5.5–15). A 5-year backtest shows a typical error of ±44.4%, with 100% of held-out values landing inside the 95% band.

+21%Change by 2029
10Projected 2029 index
5.5–1595% range
±44.4%Backtest error
19682029
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
20259.75.214
20269.85.314
20279.95.314
202810.05.415
2029105.515

House Finch Survey Routes in Washington

Routes recording House Finch in Washington.
Port Angeles9820241970
Wapato7620221971
Mesa6720081994
Potholes4420231996
Pomona4319991998
Quincy4020241981
Twisp3220241970
Mukilteo2820241993
Yakima2720241993
Malden2520241998
Warm Beach 22520242018
Moses Lake2420221982
Scootney Reservoir2420242009
Nighthawk2320241992
Columbia Nwr1920221992
Everett1820241975
Ellensburg1820241981
Reardan1620241968
Lake Chelan1620241988
Warm Beach1420171968
Vashon Is.1420241995
Kendall1320241981
Ardenvoir1219871969
Leavenworth1120241984
Hartline1020241995

House Finch Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawest-virginiawisconsinwyoming

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