Hardwick, CA has a population of 154 and is the 25,550th largest city in the United States. The population density is 1,110 per sq mi which is 378% higher than the California average and 1125% higher than the national average. The median age in Hardwick is 20 which is approximately 43% lower than the California average of 36. In Hardwick, 50% of the population over 15 years of age are married, 17% speak English and 60% speak Spanish. 47% of Hardwick residents were born in California, 10% were born out of state, 0% were born outside of the United States and 42% were foreign born.