Highland, CA has a population of 54,490 and is the 741st largest city in the United States. The population density is 2,905 per sq mi which is 1150% higher than the California average and 3107% higher than the national average. The median age in Highland is 32 which is approximately 12% lower than the California average of 36. In Highland, 53% of the population over 15 years of age are married, 57% speak English and 34% speak Spanish. 65% of Highland residents were born in California, 12% were born out of state, 1% were born outside of the United States and 22% were foreign born.