Citizen Version:
Texture size - 2k
LOD0 - 6256
LOD1 -  4756
LOD2 -  1389
LOD2 -  280

Human Male/Female Version:
Texture size -  2k
LOD0 - 6256
LOD1 -  4769
LOD2 -  1376
LOD2 -  279

Proof:

Substance Painter Texturing

High poly

Some Video were recorded on this map:

https://sbox.game/ducksworkshop/workshop_skin_viewer