Windsor is a city located in Shelby County Illinois. With a 2020 population of 758, it is the 731st largest city in Illinois and the 11530th largest city in the United States . Windsor is currently declining at a rate of -0.92% annually but its population has increased by 1.34% since the most recent census, which recorded a population of 748 in 2010. Windsor reached it's highest population of in . Spanning over 0 miles, Windsor has a population density of 1,729 people per square mile.
The average household income in Windsor is $59,993 with a poverty rate of 16.75%. The median rental costs in recent years comes to $516 per month, and the median house value is $84,800. The median age in Windsor is 41.3 years, 38.5 years for males, and 45.9 years for females.