Species · Ohio · BBS 2025 Release · 1966–2024
Northern Rough-winged Swallow Population Trend in Ohio
Northern Rough-winged Swallow in Ohio has increased: up 42% on the route-weighted index since 1968.
+42%Since 1968
89Routes In State
58Years
Notable Northern Rough-winged Swallow Trends in Ohio
No notable trend signals for Northern Rough-winged Swallow in Ohio. See the full index history below.
Northern Rough-winged Swallow Population Forecast in Ohio
If the recent trend holds, Northern Rough-winged Swallow in Ohio is projected to rise about 37% by 2029 — from 1.4 in 2024 to a central estimate of 2.0 (95% range 1.0–2.9). A 5-year backtest shows a typical error of ±84%, with 60% of held-out values landing inside the 95% band.
+37%Change by 2029
2.0Projected 2029 index
1.0–2.995% range
±84%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 1.9 | 0.99 | 2.9 |
| 2026 | 1.9 | 1.0 | 2.9 |
| 2027 | 2.0 | 1.0 | 2.9 |
| 2028 | 2.0 | 1.0 | 2.9 |
| 2029 | 2.0 | 1.0 | 2.9 |
Northern Rough-winged Swallow Survey Routes in Ohio
| Coshocton | 16 | 1990 | 1990 |
| Omega | 12 | 2024 | 1966 |
| Mohican S.F. | 11 | 2024 | 1992 |
| West Elkton | 10 | 2008 | 1996 |
| Wilmington | 9 | 1996 | 1966 |
| Kings Creek | 7 | 2015 | 1995 |
| Stonecreek | 7 | 2024 | 1996 |
| W Carrollton | 7 | 2014 | 1990 |
| Wayland | 6 | 2015 | 1994 |
| Lucerne | 6 | 2024 | 1993 |
| Coal Run | 6 | 1991 | 1966 |
| Kunkle | 5 | 2022 | 1995 |
| Adamsville | 5 | 1989 | 1971 |
| Darrtown | 5 | 2018 | 1966 |
| Shawnee S.F. 2 | 5 | 2018 | 2001 |
| Middlefield | 4 | 2013 | 1967 |
| No Kenton | 4 | 2018 | 1966 |
| Baxter Ridge | 4 | 2021 | 1999 |
| Harveysburg | 4 | 1995 | 1966 |
| Rome | 4 | 2024 | 1966 |
| Scioto Trail | 4 | 2007 | 1993 |
| N Baltimore | 3 | 2019 | 1966 |
| Pittsfield | 3 | 2022 | 1996 |
| Bismark | 3 | 1994 | 1969 |
| Garrettsvile | 3 | 1990 | 1966 |
Northern Rough-winged Swallow Population Trend in Other States
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Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.