Western Grove, AR has a population of 466 and is the 19,976th largest city in the United States. The population density is 433 per sq mi which is 681% higher than the Arkansas average and 378% higher than the national average. The median age in Western Grove is 39 which is approximately 4% higher than the Arkansas average of 38. In Western Grove, 71% of the population over 15 years of age are married, 99% speak English and 0% speak Spanish. 57% of Western Grove residents were born in Arkansas, 41% were born out of state, 0% were born outside of the United States and 2% were foreign born.