Altheimer, AR has a population of 1,028 and is the 14,974th largest city in the United States. The population density is 502 per sq mi which is 805% higher than the Arkansas average and 454% higher than the national average. The median age in Altheimer is 38 which is approximately 1% higher than the Arkansas average of 38. In Altheimer, 52% of the population over 15 years of age are married, 97% speak English and 1% speak Spanish. 93% of Altheimer residents were born in Arkansas, 5% were born out of state, 0% were born outside of the United States and 2% were foreign born.