Strathmore, NJ has a population of 6,975 and is the 5,192nd largest city in the United States. The population density is 3,537 per sq mi which is 353615% higher than the New Jersey average and 3804% higher than the national average. The median age in Strathmore is 44 which is approximately 10% higher than the New Jersey average of 40. In Strathmore, 68% of the population over 15 years of age are married, 87% speak English and 3% speak Spanish. 46% of Strathmore residents were born in New Jersey, 41% were born out of state, 1% were born outside of the United States and 13% were foreign born.