The Official Website of Casiguran Aurora

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Population Size and Growth Rate:

In 1609, the recorded population of Casiguran was 6,900 persons. This was almost doubled in 1970 censual year when the population was recorded as 12,128, an increase of about 76% or .8% annual average rate of population change. Young population with range 20 years old and below accounted for 6,479 persons or 29.9% of the municipality’s population. While age range 21 to 64 years old accounted for individuals 14,585 or 65.5% and remaining 4.6% were old [population 65 years old and above.

In terms of population distribution by barangay, Brgy. Bianoan has the biggest number of population of 3,960 or 16% of the entire population of the municipality by this time. The lowest population was found in Barangay 03 with 257 individuals. As of 2016 CBMS census, Casiguran has a total population of 27,577.

Historical Population Growth Rate

Years	Population	Decrease/ Increase	Municipal Growth Rate
1960	6,900
1970	12,128	5,228	7.58
1975	11,670	(-458)	(-0.76)
1980	13,925	2,255	3.86
1990	18,268	4,343	3.12
1995	19,578	1,310	1.43
1999	23,205	3,627	4.63
2000	21,549	(-1,656)	(-7.14)
2002	22,326	777	1.80
2007	25,822	3,586	3.13
2011	27,833	2,011	2.51
2016	27,577	-256	- 2.01

Source: Local Government Unit 2016

Sex and Population Distribution and Number of Households

Casiguran has a total household population of 6,200. For urban areas, Barangay 03 has the least number of households with 64 numbers of households. It is followed by Barangay 04, also an urban barangay with 68 households. Barangay 01 has the highest number of households with 192 followed Barangay 02 with 168 households.

For rural barangays, Barangay Ditinagyan has the least number of households with 131, followed by Barangay Calabgan with 140 households. Barangay Bianoan has the highest number of households with 904 followed by Barangay Dibacong with 551 numbers of households.

Population Distribution by Barangay

No.	Barangay	No. of	No. of	Population
No.	Barangay	Households	Families	Male	Female	Total
1	Brgy. 1	192	302	854	431	1,285
2	Brgy. 2	168	203	448	552	1,000
3	Brgy. 3	64	80	123	134	257
4	Brgy. 4	68	98	124	120	244
5	Brgy. 5	107	108	200	206	406
6	Brgy. 6	78	81	102	106	208
7	Brgy. 7	79	94	165	178	343
8	Brgy. 8	157	214	395	315	710
9	Bianoan	904	1,010	2,080	1,880	3,960
10	Calabgan	140	163	367	350	717
11	Calangcuasan	305	375	606	565	1171
12	Calantas	478	528	1,073	983	2,056
13	Cozo	410	444	802	1,001	1,803
14	Culat	287	331	654	593	1,247
15	Dibacong	551	559	1,091	1,140	2,231
16	Dibet	221	249	552	544	1,096
17	Ditinagyan	131	167	336	327	663
18	Esperanza	146	158	292	290	582
19	Esteves	412	442	947	854	1,801
20	Lual	381	475	916	920	1,836
21	Marikit	170	188	402	373	775
22	San Ildefonso	311	318	625	577	1,202
23	Tabas	224	243	551	500	1,051
24	Tinib	216	254	489	444	933
	*Total*	6,200	7,084	14,194	13,383	27,577

Source: LGU

Population Density by Barangay

The table below was computed based on the total municipal land viz-a-viz the total municipal population. However, if we are going to get the net or effective density of the municipality using the total alienable and disposable area against the total population, the municipality’s density is placed at .83 per hectare.

POPULATION DENSITY BY BARANGAY

POPULATION DENSITY, 2016

BARANGAY	Population	Area (Has.)
Barangay 01	1,285	0.0859
Barangay 02	1000	0.1147
Barangay 03	257	0.0147
Barangay 04	244	0.0313
Barangay 05	406	0.0493
Barangay 06	208	0.0548
Barangay 07	343	0.0592
Barangay 08	710	0.1223
Barangay Bianoan	3,960	0.0202
Barangay Calabgan	717	54.1773
Barangay Calangcuasan	1 171	3.1946
Barangay Calantas	2, 056	10.7978
Barangay Cozo	1,803	83.8209
Barangay Culat	1,247	38.4215
Barangay Dibacong	2,231	52.8474
Barangay Dibet	1,096	70.1646
Barangay Ditinagyan	663	98.2508
Barangay Esperanza	582	4.5389
Barangay Esteves	1,801	7.8489
Barangay Lual	1,836	3.3246
Barangay Marikit	775	3.2957
Barangay San Ildefonso	1,202	53.1944
Barangay Tabas	1,051	155.9838
Barangay Tinib	933	74.1252
Total	27,577	714.5388

Labor Force and Dependency Ratio

CBMS gathered data shows demographic information that can be used to determine current needs and in the projection of population to establish future demands.

Dependency ratio will provide information as to the number of population gainfully employed, number of individuals that are not employed and proportion of population that is dependency on those who are economically active. The table below will graphically illustrate the municipality’s dependency ratio.

Employment by sex, by Barangay

Barangay	number of members of the labor force			Employed members of the labor force*
	number of members of the labor force			Magnitude*			Proportion**
	Total	Male	Female	Total	Male	Female	Total	Male	Female
CASIGURAN	6976	4917	2059	6459	4623	1836	92.59	94.02	89.17
Barangay 1 (Pob.)	274	170	104	263	163	100	95.99	95.88	96.15
Barangay 2 (Pob.)	175	114	61	174	114	60	99.43	100	98.36
Barangay 3 (Pob.)	25	16	9	22	14	8	88	87.5	88.89
Barangay 4 (Pob.)	80	47	33	80	47	33	100	100	100
Barangay 5 (Pob.)	46	27	19	43	26	17	93.48	96.3	89.47
Barangay 6 (Pob.)	35	12	23	34	12	22	97.14	100	95.65
Barangay 7 (Pob.)	102	67	35	101	66	35	99.02	98.51	100
Barangay 8 (Pob.)	138	78	60	137	77	60	99.28	98.72	100
Calabgan	167	123	44	123	103	20	73.65	83.74	45.45
Calangcuasan	306	214	92	292	206	86	95.42	96.26	93.48
Calantas	600	411	189	576	394	182	96	95.86	96.3
Culat	302	231	71	293	223	70	97.02	96.54	98.59
Dibet	277	204	73	273	201	72	98.56	98.53	98.63
Esperanza	192	139	53	186	135	51	96.88	97.12	96.23
Lual	596	372	224	548	341	207	91.95	91.67	92.41
Marikit	198	143	55	192	138	54	96.97	96.5	98.18
Tabas	258	191	67	249	186	63	96.51	97.38	94.03
Tinib	245	179	66	231	168	63	94.29	93.85	95.45
Bianuan	1232	846	386	1017	736	281	82.55	87	72.8
Cozo	470	363	107	464	359	105	98.72	98.9	98.13
Dibacong	449	323	126	435	313	122	96.88	96.9	96.83
Ditinagyan	176	141	35	127	115	12	72.16	81.56	34.29
Esteves	387	308	79	360	291	69	93.02	94.48	87.34
San Ildefonso	246	198	48	239	195	44	97.15	98.48	91.67
*Employed members of the labor force. Labor force members includes all members 15 years old and above who are currently working or actively seeking for work.
**Number of Employed members of the labor force over total number members of the labor force

Unemployment by sex, by Barangay

Barangay	number of members of the labor force			unemployed members of the labor force*
	number of members of the labor force			Magnitude*			Proportion**
	Total	Male	Female	Total	Male	Female	Total	Male	Female
CASIGURAN	6,976	4,917	2,059	517	294	223	7.41	5.98	10.83
Barangay 1 (Pob.)	274	170	104	11	7	4	4.01	4.12	3.85
Barangay 2 (Pob.)	175	114	61	1	0	1	0.57	0	1.64
Barangay 3 (Pob.)	25	16	9	3	2	1	12	12.5	11.11
Barangay 4 (Pob.)	80	47	33	0	0	0	0	0	0
Barangay 5 (Pob.)	46	27	19	3	1	2	6.52	3.7	10.53
Barangay 6 (Pob.)	35	12	23	1	0	1	2.86	0	4.35
Barangay 7 (Pob.)	102	67	35	1	1	0	0.98	1.49	0
Barangay 8 (Pob.)	138	78	60	1	1	0	0.72	1.28	0
Calabgan	167	123	44	44	20	24	26.35	16.26	54.55
Calangcuasan	306	214	92	14	8	6	4.58	3.74	6.52
Calantas	600	411	189	24	17	7	4	4.14	3.7
Culat	302	231	71	9	8	1	2.98	3.46	1.41
Dibet	277	204	73	4	3	1	1.44	1.47	1.37
Esperanza	192	139	53	6	4	2	3.13	2.88	3.77
Lual	596	372	224	48	31	17	8.05	8.33	7.59
Marikit	198	143	55	6	5	1	3.03	3.5	1.82
Tabas	258	191	67	9	5	4	3.49	2.62	5.97
Tinib	245	179	66	14	11	3	5.71	6.15	4.55
Bianuan	1232	846	386	215	110	105	17.45	13	27.2
Cozo	470	363	107	6	4	2	1.28	1.1	1.87
Dibacong	449	323	126	14	10	4	3.12	3.1	3.17
Ditinagyan	176	141	35	49	26	23	27.84	18.44	65.71
Esteves	387	308	79	27	17	10	6.98	5.52	12.66
San Ildefonso	246	198	48	7	3	4	2.85	1.52	8.33
*Unemployed members of the labor force. Labor force members includes all members 15 years old and above who are currently working or actively seeking for work.
**Number of unemployed members of the labor force over total number members of the labor force

Municipality	number of Employed members of the labor force			Nature of employment*

				Magnitude*			Proportion**
	Total	Male	Female	Total	Male	Female	Total	Male	Female
CASIGURAN	6,459	4623	1836

Permanent				2097	1235	862	32.47	26.71	46.95
Short-term, seasonal or casual				3395	2634	761	52.56	56.98	41.45
Worked on different jobs on day to day or week to week				965	781	184	14.94	16.89	10.02
*Employed members of the labor force and their nature of employment.
**Number of employed by nature of employment over number employed members
Source: CBMS Census 2016

Indigenous Peoples Population

The Municipality of Casiguran is host to indigenous communities of Agtas, Dumagats and Igorots. These IPs can be found in barangays Calabgan, Cozo, San Ildefonso and Tinib. There are two civil reservations for the Agtas in the municipality which are located in Barangay Calabgan with an area of 152.6 hectares while the one in Barangay Culat is 69 hectares, the total of which is 221 hectares. Based on the last count of the NCIP, the total number of families of Dumagat ranges to 315 while the Igorots has a total number of 111 families. Further, based on secondary data gathered, there is a concentration of one in Barangay Calantas, while a larger number of Dumagats are found in Barangay Calabgan.

INDIGENOUS PEOPLE (IP’S) CENSUS IN THE MUNICIPALITY OF CASIGURAN, AURORA

BARANGAY	TRIBES	NO. OF FAMILIES	TOTAL POPULATION
Calabgan	Agta	96	406
	Igorot	31	122
Tinib: Sitio Mainit	Agta	20	81
Dibacong: Sitio Gumaninang	Agta	9	34
Calantas	Igorot	80	327
Culat: Sitio Paraiso	Agta	23	84
Cozo: Dipontian Dimaguipo	Agta Agta	65 30	269 107
San Ildefonso: Sitio Dalugan Disigisaw	Agta Agta	30 42	112 144
Total		426	1, 686

Source: NCIP 2016

In January to May 1998, the NCIP prepared Map indicating the ancestral domain claims by the IP’s in the DICADI area. The area claimed by the IP’s is estimated to cover 91,872 has. Or 72% of the total land area of the three (3) municipalities of DICADI (Dinalungan, Casiguran and Dilasag).

These indigenous communities have immersed themselves with the general population were a peaceful co-existence is prevailing – where respect for customs and traditions between the IPs and the barangays population is observed.

People Ethnic Group:

The Agtas or Dumagats are the aborigine of the place. They are short and dark-skinned with kinky hairs. They are nomadic and carefree with no permanent occupations.

In 1930’s, the government established schools for them where they can acquire elementary education, but they had no interest in learning. Majority of these cultural minorities group still refuses to change their way of life.

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