Hudson, IL has a population of 1,704 and is the 11,965th largest city in the United States. The population density is 1,935 per sq mi which is 770% higher than the Illinois average and 2035% higher than the national average. The median age in Hudson is 39 which is approximately 5% higher than the Illinois average of 37. In Hudson, 76% of the population over 15 years of age are married, 99% speak English and 1% speak Spanish. 81% of Hudson residents were born in Illinois, 19% were born out of state, 0% were born outside of the United States and 1% were foreign born.