Fentanyl-related deaths in Boulder County dropped from 38 in 2023 to 27 in 2024, a 30% decrease, according to data from the Boulder County Coroner’s Office released Thursday. People in the 30- to 39-year-old age group were most affected by fentanyl deaths in Boulder County, with 12 cases, according to the Boulder County Coroner’s Office data. People in the 60- to 69-year-old age group were the second most affected, with six cases. The Boulder Co…