Approximately 86.0 percent (8 out of 10) of Naujan's 109.49 thousand household population in 2020 identified as Tagalog. Other major ethnicities included Alangan Mangyan (6.0%), Ilocano (2.7%), and Bisaya/Binisaya (2.4%).

Approximately 91.9 percent (9 out of 10) of Pola's 35.46 thousand household population in 2020 identified as Tagalog. Other major ethnicities included Tadyawan Mangyan (2.5%), Bisaya/Binisaya (1.6%), and Bantoanon (0.9%).

Approximately 93.0 percent (9 out of 10) of Pinamalayan's 90.11 thousand household population in 2020 identified as Tagalog. Other major ethnicities included Bisaya/Binisaya (1.3%), Tau-buid Mangyan (1.0%), and Bantoanon (0.9%).

Approximately 44.8% (2 out of 5) of Mansalay's 59.11 thousand household population in 2020 identified as Tagalog. Other major ethnicities included Hanunuo Mangyan (30.2%), Bisaya/Binisaya (16.9%), and Romblomanon (3.4%).

Approximately 90.2% (9 out of 10) of Gloria's 50.42 thousand household population in 2020 identified as Tagalog. Other major ethnicities included Bisaya/Binisaya (2.7%), Tau-buid Mangyan (1.8%), and Ilocano (1.0%).

Approximately 93.8 percent (9 out of 10) of Calapan City's 145.18 thousand household population in 2020 identified as Tagalog. Other major ethnicities included Bisaya/Binisaya (2.0%), Ilocano (1.1%), and Bikol/Bicol (0.7%).

Approximately 35.9 percent (2 out of 5) of Bulalacao's 44.35 thousand household population in 2020 identified as Hanunuo Mangyan. Other major ethnicities included Bisaya/Binisaya (34.5%), Tagalog (20.6%), and Romblomanon (2.4%).

Approximately 73.5% (3 out of 4) of Bongabong's 76.88 thousand household population in 2020 identified as Tagalog. Other major ethnicities included Bisaya/Binisaya (10.5%), Buhid Mangyan (8.6%), and Bangon Mangyan (2.7%).

Approximately 74.2% (3 out of 4) of Bansud's 42.54 thousand household population in 2020 identified as Tagalog. Other major ethnicities included Bisaya/Binisaya (12.3%), Buhid Mangyan (3.8%), and Ilocano (1.9%).

Approximately 75.4% (or 3 out of 4) of Baco's 39.81 thousand household population in 2020 identified as Tagalog. Other major ethnicities included Alangan Mangyan (11.8%), Iraya Mangyan (8.4%), and Bisaya/Binisaya (1.7%).