Layer Estimates:

Layer: PopulationCenters (ID:0)
Count: 6423
Extent:

XMin: -13235598.6341725
YMin: 3881655.1637549
XMax: -13102230.6179029
YMax: 4133282.17088506
Spatial Reference: 102100 (3857)

Layer: PopCenters_EligibleVoters_BG (ID:1)
Count: 6423
Extent:

XMin: -13241441.3850455
YMin: 3880194.3063472
XMax: -13096728.6729328
YMax: 4139566.4781437
Spatial Reference: 102100 (3857)