Species · Ohio · BBS 2025 Release · 1966–2024
Barn Swallow Population Trend in Ohio
Barn Swallow in Ohio has risen sharply: up 73% on the route-weighted index since 1968.
+73%Since 1968
89Routes In State
58Years
Notable Barn Swallow Trends in Ohio
long arc increasecomputed index
Barn Swallow has risen sharply in Ohio: up 73% on the route-weighted index since 1968.
Barn Swallow Population Forecast in Ohio
If the recent trend holds, Barn Swallow in Ohio is projected to stay roughly flat through 2029, near 23 (95% range 16–30). A 5-year backtest shows a typical error of ±11%, with 100% of held-out values landing inside the 95% band.
-6%Change by 2029
23Projected 2029 index
16–3095% range
±11%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 23 | 16 | 30 |
| 2026 | 23 | 16 | 30 |
| 2027 | 23 | 16 | 30 |
| 2028 | 23 | 16 | 30 |
| 2029 | 23 | 16 | 30 |
Barn Swallow Survey Routes in Ohio
| New Somerset | 100 | 1993 | 1966 |
| Maysville | 93 | 2012 | 1992 |
| Wilmington | 72 | 1996 | 1966 |
| Lucerne | 71 | 2024 | 1992 |
| Valley City | 65 | 2024 | 1995 |
| Stonecreek | 62 | 2024 | 1996 |
| Lattasburg | 58 | 2024 | 1966 |
| Coal Run | 57 | 1992 | 1966 |
| Garrettsvile | 54 | 1991 | 1966 |
| Marion 2 | 50 | 2024 | 2024 |
| Kunkle | 49 | 2024 | 1992 |
| Harveysburg 2 | 49 | 2024 | 1997 |
| Omega | 46 | 2024 | 1966 |
| Norwalk | 42 | 2024 | 1979 |
| Kings Creek | 40 | 2015 | 1992 |
| Ash Ridge | 40 | 2021 | 1992 |
| New Dover | 37 | 2022 | 1966 |
| Lockport | 36 | 2024 | 1966 |
| Cosmos | 36 | 2019 | 1966 |
| Newport | 35 | 1994 | 1966 |
| Hiram | 34 | 2021 | 1992 |
| Napoleon | 32 | 2024 | 1966 |
| Kenton | 32 | 2024 | 1966 |
| W Carrollton | 32 | 2015 | 1989 |
| Bismark | 30 | 1995 | 1967 |
Barn Swallow Population Trend in Other States
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Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.