BirdAnalyst
Species · Minnesota · BBS 2025 Release · 1966–2024

Trumpeter Swan Population Trend in Minnesota

All statesWaterfowl

Trumpeter Swan in Minnesota has surged: up 43× on the route-weighted index since 1996.

43×Since 1996
48Routes In State
30Years

Notable Trumpeter Swan Trends in Minnesota

long arc increasecomputed index

Trumpeter Swan has surged in Minnesota: up 43× on the route-weighted index since 1996.

Trumpeter Swan Population Forecast in Minnesota

If the recent trend holds, Trumpeter Swan in Minnesota is projected to stay roughly flat through 2029, near 1.4 (95% range 0.64–2.2). A 5-year backtest shows a typical error of ±23.2%, with 100% of held-out values landing inside the 95% band.

-0%Change by 2029
1.4Projected 2029 index
0.64–2.295% range
±23.2%Backtest error
19942029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20251.20.482.0
20261.30.522.0
20271.30.562.1
20281.40.602.1
20291.40.642.2

Trumpeter Swan Survey Routes in Minnesota

Routes recording Trumpeter Swan in Minnesota.
Sherburne Nr1920242003
Tamarac Nwr1020241994
Dawson620212021
Nebish520232011
Glendale520242013
Arlington420232019
Knapp420242011
Pine River420242017
Edwards420242022
Wylie420232023
Austin420222014
Bagley420051997
Cass Lake320122006
Debs320242012
Sawbill Camp320242023
Money Creek220242013
Minnetonka220241996
Courtland220232021
Princeton220242010
Chokio220242024
Cromwell220242007
Wigwam Bay220212013
Backus220242013
Glyndon220242010
Tenney220152015

Trumpeter Swan Population Trend in Other States

alaskaarkansasidahoiowamichiganmontananebraskanevadanorth-dakotaohiooregonsouth-dakotautahwashingtonwisconsinwyoming

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.