St. Lawrence, SD has a population of 165 and is the 25,266th largest city in the United States. The population density is 481 per sq mi which is 4352% higher than the South Dakota average and 431% higher than the national average. The median age in St. Lawrence is 43 which is approximately 15% higher than the South Dakota average of 37. In St. Lawrence, 75% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 78% of St. Lawrence residents were born in South Dakota, 21% were born out of state, 0% were born outside of the United States and 1% were foreign born.
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The population density in St. Lawrence is 4352% higher than South Dakota.
The median age in St. Lawrence is 15% higher than South Dakota.
In St. Lawrence 98.79% of the population is White.
In St. Lawrence 0.00% of the population is Black or African American.