Species · Minnesota · BBS 2025 Release · 1966–2024
Purple Finch Population Trend in Minnesota
Purple Finch in Minnesota has held roughly steady: down 2% on the route-weighted index since 1969.
-2%Since 1969
49Routes In State
57Years
Notable Purple Finch Trends in Minnesota
No notable trend signals for Purple Finch in Minnesota. See the full index history below.
Purple Finch Population Forecast in Minnesota
If the recent trend holds, Purple Finch in Minnesota is projected to fall about 66% by 2029 — from 0.76 in 2024 to a central estimate of 0.26 (95% range 0.00–0.90). A 5-year backtest shows a typical error of ±72.3%, with 40% of held-out values landing inside the 95% band.
-66%Change by 2029
0.26Projected 2029 index
0.00–0.9095% range
±72.3%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.31 | 0.00 | 0.94 |
| 2026 | 0.30 | 0.00 | 0.93 |
| 2027 | 0.29 | 0.00 | 0.92 |
| 2028 | 0.28 | 0.00 | 0.91 |
| 2029 | 0.26 | 0.00 | 0.90 |
Purple Finch Survey Routes in Minnesota
| Bemidji | 14 | 1980 | 1979 |
| Lockport | 9 | 2024 | 1967 |
| Jordan | 6 | 2023 | 1993 |
| Hart Lake | 5 | 2024 | 1967 |
| Beltrami | 5 | 1998 | 1975 |
| Hovland | 4 | 2024 | 1973 |
| Sawbill Lndg | 4 | 2024 | 1974 |
| Sawbill Camp | 4 | 2024 | 1993 |
| Wigwam Bay | 3 | 2021 | 1974 |
| Island Lake | 3 | 1993 | 1967 |
| Debs | 3 | 2024 | 1969 |
| Crane Lake | 3 | 2024 | 1969 |
| Mahtowa | 3 | 2023 | 1993 |
| Tamarac Nwr | 2 | 2016 | 1991 |
| Nebish | 2 | 2023 | 1982 |
| Princeton | 2 | 2005 | 1995 |
| Mille Lacs | 2 | 2018 | 1968 |
| Pine River | 2 | 2003 | 1967 |
| Evergreen | 2 | 2023 | 1969 |
| Floodwood | 2 | 2024 | 1967 |
| Lude | 2 | 2021 | 1979 |
| Waskish | 2 | 2023 | 1981 |
| Babbitt | 2 | 2018 | 1998 |
| Red Lake | 2 | 2019 | 1993 |
| Greenbush | 2 | 2007 | 2007 |
Purple Finch Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.