Bryant, SD has a population of 433 and is the 20,427th largest city in the United States. The population density is 827 per sq mi which is 7548% higher than the South Dakota average and 813% higher than the national average. The median age in Bryant is 40 which is approximately 9% higher than the South Dakota average of 37. In Bryant, 71% of the population over 15 years of age are married, 97% speak English and 2% speak Spanish. 74% of Bryant residents were born in South Dakota, 23% were born out of state, 0% were born outside of the United States and 3% were foreign born.