Species · Tennessee · BBS 2025 Release · 1966–2024
Song Sparrow Population Trend in Tennessee
Song Sparrow in Tennessee has edged up: up 16% on the route-weighted index since 1968.
+16%Since 1968
45Routes In State
58Years
Notable Song Sparrow Trends in Tennessee
No notable trend signals for Song Sparrow in Tennessee. See the full index history below.
Song Sparrow Population Forecast in Tennessee
If the recent trend holds, Song Sparrow in Tennessee is projected to rise about 116% by 2029 — from 3.9 in 2024 to a central estimate of 8.3 (95% range 3.8–13). A 5-year backtest shows a typical error of ±87.8%, with 60% of held-out values landing inside the 95% band.
+116%Change by 2029
8.3Projected 2029 index
3.8–1395% range
±87.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 8.3 | 3.8 | 13 |
| 2026 | 8.3 | 3.8 | 13 |
| 2027 | 8.3 | 3.8 | 13 |
| 2028 | 8.3 | 3.8 | 13 |
| 2029 | 8.3 | 3.8 | 13 |
Song Sparrow Survey Routes in Tennessee
| Corryton Rd | 54 | 2019 | 1966 |
| Climer | 51 | 2004 | 1967 |
| Lovell | 49 | 2019 | 1966 |
| Jefferson Cty | 39 | 2011 | 1966 |
| Walland | 38 | 1989 | 1966 |
| Fish Springs | 32 | 2023 | 1966 |
| Oliver Spgs | 28 | 2022 | 1966 |
| Glen | 20 | 2024 | 1966 |
| Tullahoma | 17 | 2015 | 1978 |
| Smokey Jct | 17 | 2022 | 1966 |
| Jones Gap | 15 | 2019 | 1982 |
| Red Bank | 15 | 1978 | 1966 |
| Soddy | 15 | 1981 | 1967 |
| Cornpone | 12 | 2024 | 1990 |
| Jasper | 12 | 2024 | 1967 |
| Union Hill | 11 | 2024 | 1982 |
| Mt Olive | 10 | 2024 | 1966 |
| Bradyville | 8 | 2021 | 1992 |
| Elk Valley | 8 | 2022 | 1970 |
| Allens Brdge | 7 | 2023 | 1966 |
| Signal Mtn | 5 | 2024 | 1979 |
| Sweetlips | 5 | 1997 | 1985 |
| Peytonsville | 5 | 2024 | 2007 |
| Tellico | 4 | 2024 | 1995 |
| Indian Mound 2 | 4 | 2004 | 2004 |
Song Sparrow Population Trend in Other States
alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawaregeorgiaidahoillinoisindianaiowakansaskentuckymainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooregonpennsylvaniarhode-islandsouth-carolinasouth-dakotautahvermontvirginiawashingtonwest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.