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

House Finch Population Trend in Georgia

All statesGeneralists

House Finch in Georgia has surged: up 15× on the route-weighted index since 1990.

15×Since 1990TrendPercent 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 →
98Routes 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 →
37YearsYears 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 GeorgiaNotable 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 Georgia: up 15× on the route-weighted index since 1990.

House Finch Population Forecast in Georgia

If the recent trend holds, House Finch in Georgia is projected to stay roughly flat through 2030, near 7.8 (95% range 5.7–9.9). A 5-year backtest shows a typical error of ±6.8%, with 100% of held-out values landing inside the 95% band.

+0%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 →
7.8Projected 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 →
5.7–9.995% 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 →
±6.8%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 Georgia is projected to stay roughly flat through 2030, near 7.8 (95% range 5.7–9.9). A 5-year backtest shows a typical error of ±6.8%, with 100% of held-out values landing inside the 95% band.19882030
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 →
20267.25.19.2
20277.35.39.4
20287.55.49.6
20297.65.69.7
20307.85.79.9

House Finch Survey Routes in Georgia

Routes recording House Finch in Georgia.
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 →
Stockbridge3120251989
Candler3120252009
Wadley3020251992
Owensboro2820252010
Athens2720251993
Hiram2620181992
Rutledge2620251991
Woodstock2620212006
Maxeys2420241991
Lakeview2420252006
Whitesburg2320251992
Weber2020252013
Henderson1620252007
Union1520242011
Shiloh1520252012
Cuthbert1320251994
Linwood1320231995
Philema1320252010
Baldwin1220241992
Dickey1220182008
Good Hope1220252005
Ball Ground1120252019
Stoney Point 21120252013
Hollonville1020031988
Finleyson1020251993

House Finch Population Trend in Other States

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

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