Knox is a city located in Benson County, North Dakota. Knox has a 2026 population of 21. Knox is currently declining at a rate of 0% annually and its population has decreased by -4.55% since the most recent census, which recorded a population of 22 in 2020.
The median household income in Knox is $61,250 with a poverty rate of 11.11%. The median age in Knox is 49.5 years: 69.2 years for males, and 49.3 years for females. For every 100 females there are 100.0 males.