Hugo, OK has a population of 5,257 and is the 6,238th largest city in the United States. The population density is 811 per sq mi which is 1385% higher than the Oklahoma average and 795% higher than the national average. The median age in Hugo is 38 which is approximately 6% higher than the Oklahoma average of 36. In Hugo, 47% of the population over 15 years of age are married, 98% speak English and 1% speak Spanish. 69% of Hugo residents were born in Oklahoma, 30% were born out of state, 0% were born outside of the United States and 1% were foreign born.