Sylvan Grove is a city located in Kansas. With a 2020 population of 268, it is the 366th largest city in Kansas and the 15725th largest city in the United States. Sylvan Grove is currently declining at a rate of -0.74% annually and its population has decreased by -3.94% since the most recent census, which recorded a population of 279 in 2010. Sylvan Grove reached it's highest population of 296 in 2010. Spanning over 0 miles, Sylvan Grove has a population density of 696 people per square mile.
The average household income in Sylvan Grove is $44,521 with a poverty rate of 11.89%. The median rental costs in recent years comes to $525 per month, and the median house value is $54,600. The median age in Sylvan Grove is 50 years, 50.2 years for males, and 49.3 years for females. For every 100 females there are 124.8 males.