Granbury, TX has a population of 9,052 and is the 4,240th largest city in the United States. The population density is 679 per sq mi which is 601% higher than the Texas average and 650% higher than the national average. The median age in Granbury is 49 which is approximately 44% higher than the Texas average of 34. In Granbury, 62% of the population over 15 years of age are married, 91% speak English and 5% speak Spanish. 65% of Granbury residents were born in Texas, 32% were born out of state, 1% were born outside of the United States and 2% were foreign born.