Sibley is a city located in North Dakota. With a 2020 population of 28, it is the 317th largest city in North Dakota and the 19321st largest city in the United States . Sibley is currently declining at a rate of 0.00% annually and its population has decreased by -6.67% since the most recent census, which recorded a population of 30 in 2010. Sibley reached it's highest population of 31 in 2011. Spanning over 0 miles, Sibley has a population density of 623 people per square mile.
The average household income in Sibley is $26,941 with a poverty rate of 29.55%. The median rental costs in recent years comes to - per month, and the median house value is $108,300. The median age in Sibley is 31.5 years, 30.8 years for males, and 32.3 years for females.