Victoria Prokopovitz was last seen at her Pittsfield home about a year ago. Her family offered a $1,000 reward earlier this year.
They are now offering $2,500 for information leading to her whereabouts.
Anyone with information can call the Brown Co. Sheriff’s Investigative Division at (920) 448-4230, Crime Stoppers at (920) 432-7867 or send a text message to 274637 with the keyword GBTIP and the information.
The offer expires in July.