Delhi is a census designated place in Merced County in the U.S. state of California. Delhi is 18 miles west-northwest of Merced, at an elevation of 118 feet. According to the 2010 census, the population was 10,755 up from 8,022 at the 2000 census.Residents pronounce the name of Delhi, California, as /ˈdɛlhaɪ/, not like Delhi, India.