Astoria, SD has a population of 143 and is the 25,820th largest city in the United States. The population density is 911 per sq mi which is 8326% higher than the South Dakota average and 905% higher than the national average. The median age in Astoria is 49 which is approximately 33% higher than the South Dakota average of 37. In Astoria, 55% of the population over 15 years of age are married, 98% speak English and 0% speak Spanish. 27% of Astoria residents were born in South Dakota, 73% 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 Astoria is 8326% higher than South Dakota.
The median age in Astoria is 33% higher than South Dakota.
In Astoria 100.00% of the population is White.
In Astoria 0.00% of the population is Black or African American.