Valley Park, OK has a population of 127 and is the 26,237th largest city in the United States. The population density is 50 per sq mi which is 8% lower than the Oklahoma average and 44% lower than the national average. The median age in Valley Park is 19 which is approximately 48% lower than the Oklahoma average of 36. In Valley Park, 67% of the population over 15 years of age are married, 99% speak English and 1% speak Spanish. 47% of Valley Park residents were born in Oklahoma, 52% were born out of state, 0% were born outside of the United States and 1% were foreign born.