Citizen Version:
Texture size - 1k (Normal 2k)
LOD0 - 5204
LOD1 -  3859
LOD2 -  676
LOD2 -  207

Human Male/Female Version:
Texture size -  1k (Normal 2k)
LOD0 - 5204
LOD1 -  3844
LOD2 -  647
LOD2 -  219

Proof:

Substance Painter Texturing

High poly

Some Video were recorded on this map:

https://sbox.game/ducksworkshop/workshop_skin_viewer