Layer Estimates:

Layer: Tract (ID:0)
Count: 73516
Extent:

XMin: -19942579
YMin: 2023651
XMax: 20012848
YMax: 11537092
Spatial Reference: 102100 (3857)

Layer: Block Group (ID:1)
Count: 241083
Extent:

XMin: -19942581
YMin: 2023652
XMax: 20012846
YMax: 11537092
Spatial Reference: 102100 (3857)