Glen Allen, AL has a population of 474 and is the 19,855th largest city in the United States. The population density is 72 per sq mi which is 21% lower than the Alabama average and 20% lower than the national average. The median age in Glen Allen is 50 which is approximately 31% higher than the Alabama average of 39. In Glen Allen, 59% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 87% of Glen Allen residents were born in Alabama, 13% were born out of state, 0% were born outside of the United States and 0% were foreign born.
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The population density in Glen Allen is 21% lower than Alabama.
The median age in Glen Allen is 31% higher than Alabama.
In Glen Allen 76.16% of the population is White.
In Glen Allen 23.21% of the population is Black or African American.