Vanduser, MO has a population of 166 and is the 25,255th largest city in the United States. The population density is 1,292 per sq mi which is 1395% higher than the Missouri average and 1326% higher than the national average. The median age in Vanduser is 55 which is approximately 43% higher than the Missouri average of 38. In Vanduser, 49% of the population over 15 years of age are married, 96% speak English and 4% speak Spanish. 55% of Vanduser residents were born in Missouri, 41% were born out of state, 0% were born outside of the United States and 4% were foreign born.