Lebanon is a city located in South Dakota. With a 2020 population of 42, it is the 286th largest city in South Dakota and the 19187th largest city in the United States. Lebanon is currently declining at a rate of -2.33% annually and its population has decreased by -10.64% since the most recent census, which recorded a population of 47 in 2010. Lebanon reached it's highest population of 48 in 2011. Spanning over 1 miles, Lebanon has a population density of 79 people per square mile.
The average household income in Lebanon is $89,233 with a poverty rate of 4.35%. The median rental costs in recent years comes to - per month, and the median house value is $10,000. The median age in Lebanon is 57.8 years, 57.5 years for males, and 64 years for females. For every 100 females there are 91.7 males.