Belpre, KS has a population of 172 and is the 25,098th largest city in the United States. The population density is 418 per sq mi which is 1093% higher than the Kansas average and 362% higher than the national average. The median age in Belpre is 32 which is approximately 12% lower than the Kansas average of 36. In Belpre, 61% of the population over 15 years of age are married, 43% speak English and 57% speak Spanish. 50% of Belpre residents were born in Kansas, 20% were born out of state, 0% were born outside of the United States and 30% were foreign born.