Denair, CA has a population of 4,771 and is the 6,671st largest city in the United States. The population density is 2,287 per sq mi which is 884% higher than the California average and 2425% higher than the national average. The median age in Denair is 32 which is approximately 12% lower than the California average of 36. In Denair, 54% of the population over 15 years of age are married, 71% speak English and 24% speak Spanish. 76% of Denair residents were born in California, 10% were born out of state, 0% were born outside of the United States and 13% were foreign born.