Species · North Carolina · BBS 2025 Release · 1966–2024

House Sparrow Population Trend in North Carolina

House Sparrow in North Carolina has collapsed: down 91% on the route-weighted index since 1968.

-91%Since 1968
89Routes In State
58Years

Notable House Sparrow Trends in North Carolina

long arc declinecomputed index

House Sparrow has collapsed in North Carolina: down 91% on the route-weighted index since 1968.

House Sparrow Population Forecast in North Carolina

If the recent trend holds, House Sparrow in North Carolina is projected to fall about 100% by 2029 — from 6.3 in 2024 to a central estimate of 0.00 (95% range 0.00–22). A 5-year backtest shows a typical error of ±362.8%, with 20% of held-out values landing inside the 95% band.

-100%Change by 2029
0.00Projected 2029 index
0.002295% range
±362.8%Backtest error
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 index95% low95% high
20250.000.0022
20260.000.0022
20270.000.0022
20280.000.0022
20290.000.0022

House Sparrow Survey Routes in North Carolina

Routes recording House Sparrow in North Carolina.
Beargrass21819811966
Grandy15719751971
Cherryville14519681966
Fairmont8319811968
Shallotte7919911966
Myrtle Grove7120241966
Madison3819851966
Craven Gap3119751969
Genoa2620241990
Jonas Ridge2219711968
Belgrade2020192002
Old Trap1920242010
Dudley1820242002
Congleton1820242001
Mooresville1620011966
Jamesville1620241983
Climax1520241966
Flay1520241990
Rose1420241968
Hertford1420241997
Kinston1320241966
Copeland1320241968
Speed1220241966
Cokesbury1220241996
Rheasville1220172005

House Sparrow Population Trend in Other States

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