Species · South Carolina · BBS 2025 Release · 1966–2024
Song Sparrow Population Trend in South Carolina
Song Sparrow in South Carolina has edged up: up 12% on the route-weighted index since 1969.
+12%Since 1969
17Routes In State
54Years
Notable Song Sparrow Trends in South Carolina
No notable trend signals for Song Sparrow in South Carolina. See the full index history below.
Song Sparrow Population Forecast in South Carolina
If the recent trend holds, Song Sparrow in South Carolina is projected to fall about 54% by 2029 — from 0.57 in 2024 to a central estimate of 0.26 (95% range 0.00–0.92). A 5-year backtest shows a typical error of ±36.3%, with 100% of held-out values landing inside the 95% band.
-54%Change by 2029
0.26Projected 2029 index
0.00–0.9295% range
±36.3%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.28 | 0.00 | 0.94 |
| 2026 | 0.28 | 0.00 | 0.93 |
| 2027 | 0.27 | 0.00 | 0.93 |
| 2028 | 0.27 | 0.00 | 0.92 |
| 2029 | 0.26 | 0.00 | 0.92 |
Song Sparrow Survey Routes in South Carolina
| Pendleton | 10 | 1976 | 1975 |
| Campobello | 7 | 2024 | 2010 |
| Landrum | 6 | 1992 | 1972 |
| Salem | 5 | 2024 | 2010 |
| Hardeeville | 3 | 1972 | 1972 |
| Prosperity | 3 | 2011 | 2011 |
| Bishopville | 2 | 1992 | 1992 |
| Little Mtn | 2 | 1980 | 1980 |
| Boiling Spgs | 2 | 1976 | 1969 |
| Blacksburg | 2 | 2011 | 1999 |
| Anderson | 2 | 2017 | 1977 |
| New Holland | 1 | 1976 | 1976 |
| Barton Creek | 1 | 2014 | 1967 |
| Plum Branch | 1 | 1995 | 1993 |
| Joanna | 1 | 2018 | 2018 |
| Chesnee | 1 | 2014 | 1992 |
| Battlecreek | 1 | 2022 | 2000 |
Song Sparrow Population Trend in Other States
alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawaregeorgiaidahoillinoisindianaiowakansaskentuckymainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooregonpennsylvaniarhode-islandsouth-dakotatennesseeutahvermontvirginiawashingtonwest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.