Tyndall is a city located in South Dakota. With a 2020 population of 1,017, it is the 64th largest city in South Dakota and the 10223rd largest city in the United States. Tyndall is currently declining at a rate of -0.49% annually and its population has decreased by -4.69% since the most recent census, which recorded a population of 1,067 in 2010. Tyndall reached it's highest population of 1,066 in 2010. Spanning over 2 miles, Tyndall has a population density of 645 people per square mile.
The average household income in Tyndall is $53,856 with a poverty rate of 13.96%. The median rental costs in recent years comes to $596 per month, and the median house value is $79,300. The median age in Tyndall is 35.9 years, 34.2 years for males, and 38.3 years for females. For every 100 females there are 87.4 males.