Hudson, SD has a population of 297 and is the 22,562nd largest city in the United States. The population density is 1,051 per sq mi which is 9626% higher than the South Dakota average and 1061% higher than the national average. The median age in Hudson is 48 which is approximately 31% higher than the South Dakota average of 37. In Hudson, 58% of the population over 15 years of age are married, 99% speak English and 1% speak Spanish. 40% of Hudson residents were born in South Dakota, 60% were born out of state, 0% were born outside of the United States and 0% were foreign born.