Orrick, MO has a population of 792 and is the 16,675th largest city in the United States. The population density is 593 per sq mi which is 587% higher than the Missouri average and 555% higher than the national average. The median age in Orrick is 32 which is approximately 15% lower than the Missouri average of 38. In Orrick, 55% of the population over 15 years of age are married, 98% speak English and 1% speak Spanish. 81% of Orrick residents were born in Missouri, 18% were born out of state, 1% were born outside of the United States and 0% were foreign born.