Municipality	Income Class	District	Population (2007)	Area (km²)
Alicia	2nd Class	3rd	61,447	154.10
Angadanan	3rd Class	3rd	39,743	204.40
Aurora	1st Class	2nd	31,547	300.56
Benito Soliven	4th Class	2nd	25,151	184.40
Burgos	5th Class	2nd	21,898	73.10
Cabagan	2nd Class	1st	43,562	430.40
Cabatuan	4th Class	3rd	34,079	80.77
Cordon	3rd Class	4th	38,139	144.00
Delfin Albano (Magsaysay)	4th Class	4th	24,899	189.00
Dinapigue	3rd Class	1st	4,807	873.69
Divilican	1st Class	4th	4,602	889.49
Echague	4th Class	2nd	67,553	680.80
Gamu	4th Class	2nd	27,479	129.40
Ilagan	2nd Class	1st	131,243	1,166.26
Jones	5th Class	3rd	41,237	670.14
Luna	4th Class	1st	15,884	45.70
Maconacon	4th Class	1st	3,991	538.66
Mallig	4th Class	2nd	27,245	133.40
Naguilian	4th Class	2nd	27,977	169.81
Palanan	2nd Class	1st	16,254	880.24
Quezon	4th Class	2nd	22,050	268.26
Quirino	4th Class	2nd	21,192	126.20
Ramon	3rd Class	4th	45,258	135.17
Reina Mercedes	5th Class	3rd	21,874	57.14
Roxas	1st Class	2nd	53,461	184.80
San Agustin	4th Class	4th	20,681	278.40
San Guillermo	4th Class	3rd	16,865	325.49
San Isidro	5th Class	4th	21,387	71.90
San Miguel	4th Class	2nd	28,420	112.77
San Mariano	1st Class	2nd	44,718	1,469.50
San Mateo	2nd Class	3rd	57,885	120.60
San Pablo	3rd Class	1st	20,561	637.90
Santa Maria	4th Class	1st	20,695	140.00
Santo Tomas	4th Class	1st	22,172	150.00
Tumauini	1st Class	1st	55,041	467.30