ZIP Code 57446
About Hecla
Hecla is a city in Brown County, South Dakota, United States, located only a few miles south of the North Dakota border. The population was 193 at the 2020 census. State Highway 37 runs along the east side of town.
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Area Profile
US Census (ACS 5-year · Gazetteer)
521
population
$61,875
median household income
3
people / sq mi
39.4
median age
339
housing units
206
households
155.5
land area (sq mi)