Sylvan Grove is a city located in Lincoln County Kansas. With a 2020 population of 260, it is the 368th largest city in Kansas and the 15812th largest city in the United States . Sylvan Grove is currently declining at a rate of -1.14% annually and its population has decreased by -6.81% 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 675 people per square mile.
The average household income in Sylvan Grove is $43,129 with a poverty rate of 8.78%. The median rental costs in recent years comes to $385 per month, and the median house value is $58,400. The median age in Sylvan Grove is 48 years, 46.4 years for males, and 52.8 years for females.