Subiaco, AR has a population of 509 and is the 19,426th largest city in the United States. The population density is 280 per sq mi which is 404% higher than the Arkansas average and 209% higher than the national average. The median age in Subiaco is 35 which is approximately 8% lower than the Arkansas average of 38. In Subiaco, 41% of the population over 15 years of age are married, 93% speak English and 0% speak Spanish. 65% of Subiaco residents were born in Arkansas, 29% were born out of state, 0% were born outside of the United States and 6% were foreign born.
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The population density in Subiaco is 404% higher than Arkansas.
The median age in Subiaco is 8% lower than Arkansas.
In Subiaco 89.59% of the population is White.
In Subiaco 4.72% of the population is Black or African American.