Ursa is a city located in Adams County Illinois. With a 2020 population of 603, it is the 811th largest city in Illinois and the 12511th largest city in the United States . Ursa is currently declining at a rate of -0.17% annually and its population has decreased by -3.67% since the most recent census, which recorded a population of 626 in 2010. Ursa reached it's highest population of in . Spanning over 1 miles, Ursa has a population density of 874 people per square mile.
The average household income in Ursa is $70,383 with a poverty rate of 5.18%. The median rental costs in recent years comes to $633 per month, and the median house value is $105,300. The median age in Ursa is 39.5 years, 38 years for males, and 45.8 years for females.