BirdAnalyst
Species · South Carolina · BBS 2025 Release · 1966–2024

Chipping Sparrow Population Trend in South Carolina

All statesGeneralists

Chipping Sparrow in South Carolina has increased: up 48% on the route-weighted index since 1968.

+48%Since 1968TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
51Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
58YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Chipping Sparrow Trends in South CarolinaNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for Chipping Sparrow in South Carolina. See the full index history below.

Chipping Sparrow Population Forecast in South Carolina

If the recent trend holds, Chipping Sparrow in South Carolina is projected to stay roughly flat through 2029, near 11 (95% range 4.9–17). A 5-year backtest shows a typical error of ±7.8%, with 100% of held-out values landing inside the 95% band.

-2%Change by 2029TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
11Projected 2029 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
4.9–1795% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±7.8%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, Chipping Sparrow in South Carolina is projected to stay roughly flat through 2029, near 11 (95% range 4.9–17). A 5-year backtest shows a typical error of ±7.8%, with 100% of held-out values landing inside the 95% band.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 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
2025104.616
2026104.716
2027114.716
2028114.817
2029114.917

Chipping Sparrow Survey Routes in South Carolina

Routes recording Chipping Sparrow in South Carolina.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
Little Mtn4419881966
Sandhills3820241994
Plum Branch2820241977
Campobello2720242010
Barton Creek2520211967
Prosperity2020241992
Owings1920041992
Salem1820242010
New Holland1720241967
Joanna1620231999
Salem Xrd1520191982
Lowrys1520212017
Ward1420212017
Ridgeway1420212010
Whitmire1320242010
Boykin Ml Pd1119681966
Anderson1020181977
Red Bluff1020241996
Jamestown919911967
Bishopville920241970
Chesnee920151992
Blacksburg820131998
Battlecreek820241999
Wagener720241966
New Ellenton720242010

Chipping Sparrow Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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