Tamarack is a city in Aitkin County, Minnesota, United States.

[5] Tamarack is located along Minnesota State Highway 210 at the junction with Aitkin County Roads 6 and 16.

The community was established when the Northern Pacific Railway laid track from Duluth to Brainerd.

[6] According to the United States Census Bureau, the city has a total area of 3.58 square miles (9.27 km2), all land.

29.8% were of Norwegian, 21.1% Finnish, 19.3% Irish, 8.8% Polish, 8.8% Swedish, 7.0% German and 5.3% Scottish ancestry according to Census 2000.

In 2020, highly valuable nickel, copper and cobalt occurrences were discovered near Tamarack.

Environmental groups have expressed concerns over the potential pollution of the Kettle River headwaters, and the Mississippi watershed.

The Environmental Protection Agency considers hardrock mining the top polluting industry in the US, and there is a long history of toxic emission problems at such operations around the world.