ZIP Code 57779
About Saint Onge
Saint Onge is an unincorporated community and census-designated place (CDP) in Lawrence County, South Dakota, United States. As of the 2020 census, the population was 170.
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Area Profile
US Census (ACS 5-year · Gazetteer)
300
population
7
people / sq mi
$240,500
median home value
53.7
median age
215
housing units
170
households
41.1
land area (sq mi)