Elmira, CA has a population of 208 and is the 24,276th largest city in the United States. The population density is 392 per sq mi which is 69% higher than the California average and 332% higher than the national average. The median age in Elmira is 35 which is approximately 2% lower than the California average of 36. In Elmira, 95% of the population over 15 years of age are married, 35% speak English and 49% speak Spanish. 52% of Elmira residents were born in California, 9% were born out of state, 0% were born outside of the United States and 38% were foreign born.