Layer Estimates:

Layer: IL_Municipalities (ID:1)
Count: 2640
Extent:

XMin: -10182049.6082
YMin: 4434968.479
XMax: -9742969.1992
YMax: 5237425.783
Spatial Reference: 102100 (3857)

Layer: IL_Counties (ID:2)
Count: 102
Extent:

XMin: -10187190.1008226
YMin: 4434968.47904222
XMax: -9739921.60422361
YMax: 5237455.56924012
Spatial Reference: 102100 (3857)