Elgin is a city located in Kane County Illinois. With a 2020 population of 109,567, it is the 7th largest city in Illinois and the 282nd largest city in the United States . Elgin is currently declining at a rate of -0.58% annually but its population has increased by 1.27% since the most recent census, which recorded a population of 108,188 in 2010. Elgin reached it's highest population of 112,265 in 2016. Spanning over 38 miles, Elgin has a population density of 2,922 people per square mile.
The average household income in Elgin is $86,544 with a poverty rate of 11.30%. The median rental costs in recent years comes to $1,069 per month, and the median house value is $186,000. The median age in Elgin is 35 years, 34.5 years for males, and 35.6 years for females.