***UPDATE: Alyssa Lauren Martensen has been located and reunited with her family.***
BARRON COUNTY — The Barron County Sheriff’s Department shared the following information regarding a runaway juvenile:
The Barron County Sheriff’s Department is looking for a runaway juvenile by the name of Alyssa Lauren Martensen.
Alyssa is 15 and goes by Lauren.
She was last seen in the Village of Birchwood this morning wearing a green hoodie, black pants, and a black backpack.
If you see her or know where she might be, please call our dispatch center at 715-537-3106. Thank you.
—Per the Barron County Sheriff’s Department
Last Update: Jul 20, 2026 11:50 am CDT
