Emerald Bay, TX has a population of 1,029 and is the 14,969th largest city in the United States. The population density is 1,337 per sq mi which is 1279% higher than the Texas average and 1376% higher than the national average. The median age in Emerald Bay is 65 which is approximately 90% higher than the Texas average of 34. In Emerald Bay, 82% of the population over 15 years of age are married, 98% speak English and 2% speak Spanish. 67% of Emerald Bay residents were born in Texas, 32% were born out of state, 0% were born outside of the United States and 2% were foreign born.