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

Great Horned Owl Population Trend in South Carolina

Great Horned Owl in South Carolina has held roughly steady: up 6% on the route-weighted index since 1971.

+6%Since 1971
29Routes In State
38Years

Notable Great Horned Owl Trends in South Carolina

No notable trend signals for Great Horned Owl in South Carolina. See the full index history below.

Great Horned Owl Population Forecast in South Carolina

If the recent trend holds, Great Horned Owl in South Carolina is projected to rise about 20% by 2029 — from 0.10 in 2024 to a central estimate of 0.11 (95% range 0.00–0.23). A 5-year backtest shows a typical error of ±30.9%, with 100% of held-out values landing inside the 95% band.

+20%Change by 2029
0.11Projected 2029 index
0.000.2395% range
±30.9%Backtest error
19672029
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
20250.120.000.23
20260.120.000.23
20270.120.000.23
20280.110.000.23
20290.110.000.23

Great Horned Owl Survey Routes in South Carolina

Routes recording Great Horned Owl in South Carolina.
Chesnee420132005
Joanna320212000
Nixville320122008
Holly Hill220221987
Coward220071977
New Holland220041979
Dillon220131998
Campobello220192012
Greenwood220171998
Dale220232011
Johns Isle119681968
Jamestown119711967
Hardeeville120101977
Foreston119971992
Wagener120101984
Bishopville119921992
Kiawah Island120112000
Owings119981998
Barton Creek119751975
Plum Branch119991979
New Ellenton120242018
Ridgeway120192019
Blacksburg120122001
Mount Pisgah119981998
Pinewood119981998

Great Horned Owl Population Trend in Other States

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