Sheffield is a city located in Bureau County Illinois. With a 2020 population of 845, it is the 705th largest city in Illinois and the 11042nd largest city in the United States . Sheffield is currently declining at a rate of -1.05% annually and its population has decreased by -8.75% since the most recent census, which recorded a population of 926 in 2010. Sheffield reached it's highest population of in . Spanning over 1 miles, Sheffield has a population density of 1,185 people per square mile.
The average household income in Sheffield is $62,902 with a poverty rate of 11.20%. The median rental costs in recent years comes to $706 per month, and the median house value is $79,200. The median age in Sheffield is 47.7 years, 49.1 years for males, and 45.8 years for females.