When researching Rio Grande County genealogy, don't forget to also look for records at these adjacent neighboring counties:

Alamosa County; Archuleta County; Conejos County; Costilla County; Mineral County; Saguache County

Rio Grande County is the gateway to the San Juan Mountains. It is one of the highlights of the San Luis Valley. The county covers 913 square miles ranging from around 7,000 feet on valley floor to numerous 13,000-foot peaks.
There are three municipalities within the county, Monte Vista, Del Norte, and South Fork and all have been historically developed along the rail line that follows the Rio Grande River. Monte Vista is the county's largest community situated the county. Monte Vista is the center of the agricultural aspect of the county. Del Norte is a quaint town with a focus on its historic past; it is the county seat. The newest town in Rio Grande County is South Fork.
South Fork is surrounded by the Rio Grande National Forest and was developed as a logging center.

Rio Grande COGenWeb offers free genealogy resources for family history researchers. Were your ancestors from Rio Grande Colorado? Please consider sharing your genealogical
documents, family histories, biographies, photos and more with us! You can send your family tree information to the coordinators listed at the bottom of the page!