Delhi, CA has a population of 10,968 and is the 3,676th largest city in the United States. The population density is 3,124 per sq mi which is 1244% higher than the California average and 3349% higher than the national average. The median age in Delhi is 30 which is approximately 18% lower than the California average of 36. In Delhi, 56% of the population over 15 years of age are married, 32% speak English and 64% speak Spanish. 59% of Delhi residents were born in California, 7% were born out of state, 0% were born outside of the United States and 34% were foreign born.