Ilocos Sur

Province in Luzon

Contents: Subdivision

The population development in Ilocos Sur as well as related information and services (Wikipedia, Google, images).

The Details icon links to further information about a selected division including its population structure (gender, age groups, age distribution).

Name	Status	Population Census 1990-05-01	Population Census 2000-05-01	Population Census 2010-05-01	Population Census 2015-08-01	Population Census 2020-05-01	Population Census 2024-07-01
Ilocos Sur	Province	519,966	594,206	658,587	689,668	706,009	709,991
Alilem	Municipality	5,314	6,353	6,640	6,695	7,361	7,736	→
Banayoyo	Municipality	5,864	6,728	7,694	7,748	7,931	7,953	→
Bantay	Municipality	26,024	30,519	34,323	35,731	37,118	37,088	→
Burgos	Municipality	9,601	11,175	11,679	12,224	12,793	13,026	→
Cabugao	Municipality	27,997	31,459	35,706	37,501	38,884	38,981	→
Candon	City	43,473	50,564	57,884	60,623	61,432	61,315	→
Caoayan	Municipality	15,637	17,199	18,551	19,861	19,574	19,715	→
Cervantes	Municipality	12,476	14,195	16,573	17,211	19,449	20,065	→
Galimuyod	Municipality	7,941	8,879	10,011	10,748	10,244	10,263	→
Gregorio del Pilar (Concepcion)	Municipality	3,417	4,134	4,219	4,875	4,472	4,385	→
Lidlidda	Municipality	3,515	4,022	4,398	4,647	4,705	4,846	→
Magsingal	Municipality	22,271	25,580	28,302	30,792	31,308	31,970	→
Nagbukel	Municipality	3,806	4,671	4,938	5,259	5,465	5,370	→
Narvacan	Municipality	35,153	38,435	42,803	44,006	46,234	46,265	→
Quirino (Angkaki)	Municipality	6,623	7,130	8,535	8,573	9,306	9,460	→
Salcedo (Baugen)	Municipality	9,397	10,409	10,935	11,288	11,110	11,196	→
San Emilio	Municipality	...	6,717	7,427	7,407	7,206	7,513	→
San Esteban	Municipality	6,327	7,174	8,072	8,349	8,381	8,621	→
San Ildefonso	Municipality	4,528	5,584	7,075	7,787	8,190	8,213	→
San Juan (Lapog)	Municipality	20,328	23,146	25,199	26,411	26,674	26,709	→
Santa	Municipality	12,570	13,918	15,106	15,340	14,992	15,164	→
Santa Catalina	Municipality	11,388	12,537	13,597	13,945	14,493	14,319	→
Santa Cruz	Municipality	28,764	34,433	37,911	39,868	41,366	41,296	→
Santa Lucia	Municipality	20,504	22,363	24,981	25,402	25,966	26,200	→
Santa Maria	Municipality	23,821	26,396	28,597	30,321	30,006	30,076	→
Santiago	Municipality	14,427	15,876	17,958	18,759	19,471	19,771	→
Santo Domingo	Municipality	20,720	24,520	27,596	27,975	29,041	29,372	→
San Vicente	Municipality	9,989	10,877	11,720	12,758	13,118	13,074	→
Sigay	Municipality	1,964	2,375	2,419	2,737	2,552	2,577	→
Sinait	Municipality	21,779	24,070	25,427	25,640	25,998	26,059	→
Sugpon	Municipality	2,844	3,513	3,820	4,585	4,930	4,238	→
Suyo	Municipality	7,950	9,685	10,622	11,446	10,766	11,051	→
Tagudin	Municipality	29,295	34,427	38,122	39,277	41,538	41,606	→
Vigan	City	38,574	45,143	49,747	53,879	53,935	54,498	→
Luzon	Island Group	33,357,887	42,822,878	52,362,999	57,470,097	62,196,942	64,162,977

Source: Philippines Statistics Authority.

Explanation: Area figures are computed by using geospatial data.

Further information about the population structure:

Gender (C 2020)
Males	355,807
Females	348,411

Age Groups (C 2020)
0-14 years	178,736
15-64 years	464,335
65+ years	61,147

Age Distribution (C 2020)
80+ years	13,881
70-79 years	25,796
60-69 years	49,145
50-59 years	70,498
40-49 years	85,675
30-39 years	100,955
20-29 years	115,049
10-19 years	130,215
0-9 years	113,004

Located in:

Ilocos region