Species · Kentucky · BBS 2025 Release · 1966–2024
House Sparrow Population Trend in Kentucky
House Sparrow in Kentucky has collapsed: down 88% on the route-weighted index since 1968.
-88%Since 1968
63Routes In State
58Years
Notable House Sparrow Trends in Kentucky
long arc declinecomputed index
House Sparrow has collapsed in Kentucky: down 88% on the route-weighted index since 1968.
House Sparrow Population Forecast in Kentucky
If the recent trend holds, House Sparrow in Kentucky is projected to fall about 100% by 2029 — from 7.4 in 2024 to a central estimate of 0.00 (95% range 0.00–23). A 5-year backtest shows a typical error of ±136.3%, with 100% of held-out values landing inside the 95% band.
-100%Change by 2029
0.00Projected 2029 index
0.00–2395% range
±136.3%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.00 | 0.00 | 23 |
| 2026 | 0.00 | 0.00 | 23 |
| 2027 | 0.00 | 0.00 | 23 |
| 2028 | 0.00 | 0.00 | 23 |
| 2029 | 0.00 | 0.00 | 23 |
House Sparrow Survey Routes in Kentucky
| Boxville | 202 | 1983 | 1966 |
| Levee | 59 | 1982 | 1966 |
| Shelbyville | 58 | 1978 | 1966 |
| Shiloh | 39 | 2023 | 1967 |
| Johnsonville | 38 | 2021 | 1966 |
| Million | 34 | 1986 | 1966 |
| Hodgenville 2 | 30 | 2023 | 2008 |
| Beattyville | 28 | 2001 | 1966 |
| Hodgenville | 27 | 2003 | 1967 |
| Gesling | 27 | 1973 | 1967 |
| Keysburg | 24 | 2024 | 1968 |
| Lovelacevile | 23 | 2024 | 1967 |
| Iron Bridge | 23 | 1998 | 1966 |
| Mcbrayer | 22 | 2024 | 1966 |
| Merrimac | 21 | 2024 | 1967 |
| Goshen | 19 | 1999 | 1966 |
| Glencoe | 19 | 2022 | 1966 |
| Daniel Boone | 18 | 1988 | 1966 |
| Hudson | 15 | 2024 | 1966 |
| Drakesboro | 15 | 2003 | 1966 |
| Kehoe | 14 | 1992 | 1966 |
| Pleasurevill | 13 | 2024 | 1979 |
| Kings Mtn | 12 | 2024 | 1966 |
| Eastview | 12 | 2024 | 1967 |
| Sewell Shop | 11 | 2023 | 1966 |
House Sparrow Population Trend in Other States
alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaslouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.