Species · North Dakota · BBS 2025 Release · 1966–2024
Barn Swallow Population Trend in North Dakota
Barn Swallow in North Dakota has held roughly steady: up 2% on the route-weighted index since 1969.
+2%Since 1969
51Routes In State
57Years
Notable Barn Swallow Trends in North Dakota
No notable trend signals for Barn Swallow in North Dakota. See the full index history below.
Barn Swallow Population Forecast in North Dakota
If the recent trend holds, Barn Swallow in North Dakota is projected to rise about 39% by 2029 — from 12 in 2024 to a central estimate of 17 (95% range 6.3–28). A 5-year backtest shows a typical error of ±50.5%, with 100% of held-out values landing inside the 95% band.
+39%Change by 2029
17Projected 2029 index
6.3–2895% range
±50.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 17 | 6.6 | 28 |
| 2026 | 17 | 6.5 | 28 |
| 2027 | 17 | 6.4 | 28 |
| 2028 | 17 | 6.3 | 28 |
| 2029 | 17 | 6.3 | 28 |
Barn Swallow Survey Routes in North Dakota
| Sydney | 35 | 1983 | 1967 |
| Parshall | 34 | 2013 | 1982 |
| Nash | 29 | 2017 | 1980 |
| Lakota 2 | 29 | 2024 | 2010 |
| Edgeley | 24 | 2024 | 1980 |
| Sheyenne Lk | 23 | 2024 | 1980 |
| Abercrombie | 22 | 2012 | 1968 |
| Kempton | 21 | 2017 | 1967 |
| Wimbledon | 18 | 2024 | 1981 |
| Rolla | 18 | 2024 | 1969 |
| Stanley | 18 | 2024 | 1967 |
| Emerado | 17 | 2024 | 1973 |
| Horsehead Lk | 17 | 2024 | 1980 |
| Carpio | 16 | 2023 | 1967 |
| Gorham | 15 | 2018 | 1968 |
| Cedar Creek | 15 | 2022 | 1968 |
| Niles | 14 | 2024 | 1989 |
| Danzig 2 | 14 | 2024 | 2019 |
| Lake George | 13 | 2022 | 1967 |
| Webster | 13 | 2024 | 1989 |
| Denbigh | 13 | 2024 | 1968 |
| Turtle Mtns | 13 | 2024 | 1980 |
| Forman | 12 | 2024 | 1968 |
| Ft Yates | 12 | 2004 | 1968 |
| Solen | 11 | 2024 | 2005 |
Barn Swallow Population Trend in Other States
alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.