Counties in Illinois with the most active listings for January 2026. Source: Realtor.com.
10,543 active listings · $385,538 median
1,662 active listings · $416,121 median
1,580 active listings · $531,561 median
1,227 active listings · $552,442 median
885 active listings · $453,615 median
836 active listings · $420,880 median
803 active listings · $245,951 median
708 active listings · $243,219 median
542 active listings · $233,645 median
501 active listings · $170,801 median
