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Ethnigrwydd	N	%
Gwyn	55,645	56
Du	4,062	4
Asiaidd	6,312	6
Cymysg	2,222	2
Arall	967	1
Mae’n well ganddynt beidio â dweud	8,742	9
Heb ei nodi	19,834	20
Anhysbys	1,917	2
Cyfanswm	99,755	100

Tabl 9: Ethnigrwydd yr achwynwyr yn 2025/26