Jaconita is a census-designated place (CDP) in Santa Fe County, New Mexico, United States.

It is part of the Santa Fe, New Mexico Metropolitan Statistical Area.

According to the United States Census Bureau, the CDP has a total area of 0.7 square miles (1.8 km2), all land.

There were 170 housing units at an average density of 252.0 per square mile (97.3/km2).

26.5% of all households were made up of individuals, and 12.9% had someone living alone who was 65 years of age or older.