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

House Finch Population Trend in Colorado

All statesGeneralists

House Finch in Colorado has risen sharply: up 64% on the route-weighted index since 1970.

+64%Since 1970
123Routes In State
56Years

Notable House Finch Trends in Colorado

long arc increasecomputed index

House Finch has risen sharply in Colorado: up 64% on the route-weighted index since 1970.

House Finch Population Forecast in Colorado

If the recent trend holds, House Finch in Colorado is projected to rise about 24% by 2029 — from 2.3 in 2024 to a central estimate of 2.8 (95% range 1.5–4.2). A 5-year backtest shows a typical error of ±23.2%, with 100% of held-out values landing inside the 95% band.

+24%Change by 2029
2.8Projected 2029 index
1.5–4.295% range
±23.2%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
20252.71.44.1
20262.81.44.1
20272.81.44.1
20282.81.54.1
20292.81.54.2

House Finch Survey Routes in Colorado

Routes recording House Finch in Colorado.
Fruita2520071988
Rosevale2520242009
Elbert2220241998
Cortez2120081988
Angora2120241998
Harmony1720241979
Pleasant View1720212021
Yampa1420231971
Bennett1320181995
Cortez 21320172009
Walsenburg1120242002
Dolores1019871968
Gilpin1020111989
Wray Gulch1020231989
De Beque920241992
Piceance Basin920041998
Animas 2920212005
Gold Hill 2920242019
Prospect Val820001993
Douglas Pass720241985
Aspen720241979
Trinchera720221990
Colona 2720212016
Timpas720191995
Pritchett720191999

House Finch Population Trend in Other States

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

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