Parlier, CA has a population of 14,953 and is the 2,844th largest city in the United States. The population density is 6,453 per sq mi which is 2677% higher than the California average and 7023% higher than the national average. The median age in Parlier is 26 which is approximately 28% lower than the California average of 36. In Parlier, 48% of the population over 15 years of age are married, 17% speak English and 82% speak Spanish. 55% of Parlier residents were born in California, 4% were born out of state, 1% were born outside of the United States and 40% were foreign born.