BirdAnalyst
Species · Missouri · BBS 2026 Release · 1966–2025

House Finch Population Trend in Missouri

All statesGeneralists

House Finch in Missouri has surged: up 18× on the route-weighted index since 1992.

18×Since 1992TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
78Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
35YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable House Finch Trends in MissouriNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

long arc increasecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

House Finch has surged in Missouri: up 18× on the route-weighted index since 1992.

House Finch Population Forecast in Missouri

If the recent trend holds, House Finch in Missouri is projected to fall about 13% by 2030 — from 2.2 in 2025 to a central estimate of 1.9 (95% range 0.94–2.9). A 5-year backtest shows a typical error of ±44.5%, with 20% of held-out values landing inside the 95% band.

-13%Change by 2030TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
1.9Projected 2030 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.94–2.995% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±44.5%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, House Finch in Missouri is projected to fall about 13% by 2030 — from 2.2 in 2025 to a central estimate of 1.9 (95% range 0.94–2.9). A 5-year backtest shows a typical error of ±44.5%, with 20% of held-out values landing inside the 95% band.19902030
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
20261.80.802.7
20271.80.842.7
20281.80.872.8
20291.90.902.8
20301.90.942.9

House Finch Survey Routes in Missouri

Routes recording House Finch in Missouri.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
House Springs3020252017
Moselle2020252000
Cp Girardeau1320251991
Handley720251995
Weston720222018
Lincoln720252019
Palace720132013
Akers620181995
Rensselaer620251996
Eugene520252014
Deventer420251993
Madison420242000
Williamsvill420252001
Whitewater420251997
New Point420251995
Auburn420252014
Cassville320241996
Milford320252022
Richland320252018
Doe Run320252015
Blodgett320252013
Mincy320252013
Rueter 2320232023
Pulaski220241994
Sweden220212005

House Finch Population Trend in Other States

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

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.