Hecla is a city located in South Dakota. With a 2020 population of 225, it is the 171st largest city in South Dakota and the 16310th largest city in the United States. Hecla is currently growing at a rate of 0.45% annually but its population has decreased by -0.88% since the most recent census, which recorded a population of 227 in 2010. Hecla reached it's highest population of 227 in 2010. Spanning over 0 miles, Hecla has a population density of 653 people per square mile.
The average household income in Hecla is $67,620 with a poverty rate of 17.65%. The median rental costs in recent years comes to $392 per month, and the median house value is $40,000. The median age in Hecla is 60.4 years, 59.3 years for males, and 62.1 years for females. For every 100 females there are 110.5 males.