La Union is a census-designated place in Doña Ana County, New Mexico, United States. As of the 2020 census, La Union had a population of 997. NM 182 connects the community to NM 28. It is a part of the El PasoâÂÂLas Cruces combined statistical area.
In 2021, La Union was struck by torrential floods that were described as a '1000-year flooding event'. This led to the breaking of a dam, which ravaged the local infrastructure. As a result, the county government and Governor of New Mexico Michelle Lujan Grisham announced funding on improvements on town and dam infrastructure.
According to the U.S. Census Bureau, the community has an area of , all land.
As of the 2020 Census, the population of La Union was 997.
La Union Elementary School is administered by Gadsden Independent School District and operates as a public school up to grade 6. The school colors are green and yellow. The school mascot is the lion. "La Union Lions" are the sports team of La Union Elementary School.