Unemployment Rate in Alamosa County, CO was 4.00% in December of 2025, according to the United States Federal Reserve. Historically, Unemployment Rate in Alamosa County, CO reached a record high of 11.80 in February of 2012 and a record low of 2.60 in May of 2000. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Alamosa County, CO - last updated from the United States Federal Reserve on April of 2026.