Pomona, CA has a population of 151,807 and is the 169th largest city in the United States. The population density is 6,614 per sq mi which is 2746% higher than the California average and 7200% higher than the national average. The median age in Pomona is 31 which is approximately 14% lower than the California average of 36. In Pomona, 45% of the population over 15 years of age are married, 35% speak English and 55% speak Spanish. 57% of Pomona residents were born in California, 8% were born out of state, 1% were born outside of the United States and 34% were foreign born.