San Ysidro Census Designated Place is a census located in Doña Ana County, New Mexico. It appears on the Las Cruces USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 3,911.00 feet (1,192.07 m) above sea level. The nearest populated place is San Ysidro, approximately 0.4 miles to the SSE.