Grubbs, AR has a population of 518 and is the 19,317th largest city in the United States. The population density is 913 per sq mi which is 1547% higher than the Arkansas average and 908% higher than the national average. The median age in Grubbs is 41 which is approximately 9% higher than the Arkansas average of 38. In Grubbs, 54% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 91% of Grubbs residents were born in Arkansas, 8% were born out of state, 0% were born outside of the United States and 1% were foreign born.