West Covina, CA has a population of 107,634 and is the 279th largest city in the United States. The population density is 6,710 per sq mi which is 2521% higher than the California average and 7306% higher than the national average. The median age in West Covina is 37 which is approximately 3% higher than the California average of 36. In West Covina, 54% of the population over 15 years of age are married, 42% speak English and 33% speak Spanish. 56% of West Covina residents were born in California, 8% were born out of state, 1% were born outside of the United States and 35% were foreign born.