Species · New York · BBS 2025 Release · 1966–2024
Barn Swallow Population Trend in New York
Barn Swallow in New York has declined: down 34% on the route-weighted index since 1968.
-34%Since 1968
128Routes In State
58Years
Notable Barn Swallow Trends in New York
No notable trend signals for Barn Swallow in New York. See the full index history below.
Barn Swallow Population Forecast in New York
If the recent trend holds, Barn Swallow in New York is projected to fall about 28% by 2029 — from 15 in 2024 to a central estimate of 11 (95% range 5.1–17). A 5-year backtest shows a typical error of ±25.5%, with 100% of held-out values landing inside the 95% band.
-28%Change by 2029
11Projected 2029 index
5.1–1795% range
±25.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 12 | 6.1 | 18 |
| 2026 | 12 | 5.9 | 17 |
| 2027 | 11 | 5.6 | 17 |
| 2028 | 11 | 5.3 | 17 |
| 2029 | 11 | 5.1 | 17 |
Barn Swallow Survey Routes in New York
| E Youngstown | 143 | 2023 | 1966 |
| Durham | 96 | 1976 | 1966 |
| Romulus | 93 | 2000 | 1968 |
| Macdougall | 63 | 2024 | 1969 |
| Churchville | 63 | 2024 | 1968 |
| Warwick | 60 | 1974 | 1968 |
| Nashville | 39 | 2018 | 1967 |
| Naples | 39 | 2024 | 1966 |
| Westbrookvle | 36 | 2019 | 1966 |
| Orleans | 36 | 2024 | 1967 |
| Penfield | 36 | 2024 | 1968 |
| West Bangor | 35 | 1999 | 1990 |
| Oxford | 33 | 1976 | 1967 |
| Branchport | 32 | 2024 | 1967 |
| Sheridan | 29 | 2024 | 1966 |
| Philadelphia | 28 | 2024 | 1980 |
| Mt Hope | 27 | 2010 | 1967 |
| S Berne 2 | 27 | 2024 | 2014 |
| St Johnsburg | 24 | 2024 | 1967 |
| Fowler | 24 | 1968 | 1966 |
| Dryden | 23 | 2024 | 1966 |
| Swain | 23 | 2007 | 1967 |
| Cattaraugus | 22 | 2019 | 1967 |
| Byron | 22 | 2024 | 1967 |
| Cicero Ctr | 22 | 2024 | 1966 |
Barn Swallow Population Trend in Other States
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Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.