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

House Finch Population Trend in New Hampshire

All statesGeneralists

House Finch in New Hampshire has surged: up 681% on the route-weighted index since 1981.

+681%Since 1981
22Routes In State
45Years

Notable House Finch Trends in New Hampshire

long arc increasecomputed index

House Finch has surged in New Hampshire: up 681% on the route-weighted index since 1981.

House Finch Population Forecast in New Hampshire

If the recent trend holds, House Finch in New Hampshire is projected to fall about 42% by 2029 — from 3.1 in 2024 to a central estimate of 1.8 (95% range 0.00–7.3). A 5-year backtest shows a typical error of ±41%, with 100% of held-out values landing inside the 95% band.

-42%Change by 2029
1.8Projected 2029 index
0.00–7.395% range
±41%Backtest error
19792029
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
20252.10.007.5
20262.00.007.5
20271.90.007.4
20281.90.007.3
20291.80.007.3

House Finch Survey Routes in New Hampshire

Routes recording House Finch in New Hampshire.
Dover3520241979
Brentwood1719981982
East Kingston1620241999
Epsom820231979
Mt Chocorua720021984
Concord320241983
Fitzwilliam220241982
Strafford220241982
Gilmantn I W220241985
Walpole220241987
Marlow220241984
Peterborough120241984
Hopkinton120241986
Canterbury120241991
Wilmot120001979
Lempster120241980
Jefferson Hl120231985
Franconia120091986
Milan120211984
Stratford120011993
Dixvil Notch120141987
Glen120221984

House Finch Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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