There were significant differences by age, working status, income, region, social grade, council tax payment status, household structure, tenure and council tax band.
Roedd gwahaniaethau arwyddocaol yn ôl oedran, statws gweithio, incwm, rhanbarth, graddfa gymdeithasol, statws talu'r dreth gyngor, strwythur aelwydydd, deiliadaeth a band y dreth gyngor.