BirdAnalyst
Species · New York · BBS 2025 Release · 1966–2024

House Finch Population Trend in New York

All statesGeneralists

House Finch in New York has surged: up 659% on the route-weighted index since 1968.

+659%Since 1968TrendPercent 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 →
112Routes 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 →
58YearsYears 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 New YorkNotable 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 New York: up 658% on the route-weighted index since 1968.

House Finch Population Forecast in New York

If the recent trend holds, House Finch in New York is projected to rise about 47% by 2029 — from 4.3 in 2024 to a central estimate of 6.3 (95% range 0.00–16). A 5-year backtest shows a typical error of ±119.8%, with 100% of held-out values landing inside the 95% band.

+47%Change by 2029TrendPercent 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 →
6.3Projected 2029 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.00–1695% 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 →
±119.8%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 New York is projected to rise about 47% by 2029 — from 4.3 in 2024 to a central estimate of 6.3 (95% range 0.00–16). A 5-year backtest shows a typical error of ±119.8%, with 100% of held-out values landing inside the 95% band.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 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 →
20256.10.0016
20266.20.0016
20276.20.0016
20286.20.0016
20296.30.0016

House Finch Survey Routes in New York

Routes recording House Finch in New York.
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 →
Ballston Lk3619951979
Naples2320241980
Manorville2220241970
Penfield2120241979
Jones Beach1920131966
Macdougall1820241980
Bedford1319961968
Rifton1119861972
Crescent1120241998
Somers1019771973
Ghent1020241978
Branchport1020241995
Orange Lake1019921987
Rushville920241995
Churchville920241984
Hamburg820241983
St Johnsburg820241984
Hauppauge720181966
Canadice L720241986
Mckeever719951987
Highland620221977
Romulus620001983
Orleans620241980
Kasoag620051985
Trumansburg520241978

House Finch Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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