Eagle Lake, TX has a population of 3,651 and is the 7,849th largest city in the United States. The population density is 1,246 per sq mi which is 1185% higher than the Texas average and 1275% higher than the national average. The median age in Eagle Lake is 34 which is approximately 1% lower than the Texas average of 34. In Eagle Lake, 50% of the population over 15 years of age are married, 59% speak English and 41% speak Spanish. 71% of Eagle Lake residents were born in Texas, 10% were born out of state, 2% were born outside of the United States and 17% were foreign born.