Citizen Version:
Texture size - 2k
LOD0 - 3034
LOD1 -  2372
LOD2 -  726
LOD2 -  192

Human Male/Female Version:
Texture size -  2k
LOD0 - 3034
LOD1 -  2372
LOD2 -  878
LOD2 -  205

Proof:

Substance Painter Texturing

High poly

Some Video were recorded on this map:

https://sbox.game/ducksworkshop/workshop_skin_viewer