Allentown, NJ has a population of 1,890 and is the 11,359th largest city in the United States. The population density is 3,170 per sq mi which is 316917% higher than the New Jersey average and 3399% higher than the national average. The median age in Allentown is 42 which is approximately 6% higher than the New Jersey average of 40. In Allentown, 61% of the population over 15 years of age are married, 97% speak English and 1% speak Spanish. 70% of Allentown residents were born in New Jersey, 26% were born out of state, 0% were born outside of the United States and 4% were foreign born.
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The population density in Allentown is 316917% higher than New Jersey.
The median age in Allentown is 6% higher than New Jersey.
In Allentown 92.43% of the population is White.
In Allentown 2.75% of the population is Black or African American.