Regional Center: San Fernando City, La Union
Land Area: 12,840.2 sq. km
Population (2015): 5,026,128 
Provinces: 4 
Cities: 9

Municipalities: 116 
Barangays: 3,265 
Cong. Districts: 12 
Languages: Ilocano, Pangasinan, Bolinao, Tagalog, English



Region I, popularly known as Ilocos Region, is located along the northwestern coast of Luzon bounded by the West Philippine Sea on the Cordillera Mountains. The region’s total land area is 12,840 square kilometers. It is comprised of four provinces namely: Ilocos Norte, Ilocos Sur, La Union and Pangasinan. It has 9 cities: Alaminos City, Batac City, Candon City, Dagupan City, Laoag City, San Carlos City, San Fernando City, Urdaneta City and Vigan City. The regional capital is San Fernando City located in the province of La Union. The region also has 116 municipalities and 3,265 barangays (as of 2014).

The region’s total population as of August 1, 2015 was 5,026,128 (POPCEN 2015) with an average annual population growth rate of 1.09 percent from 2010-2015. In 2015, Ilocos Region has a population density of 388, which translates to 388 person living in a square kilometer. The province of Pangasinan had the highest population which registered 2,956,726, followed by La Union with 786,653, province of Ilocos Sur with 689,668, and Ilocos Norte with 593,081. In terms of annual average Population Growth Rate, the province of Pangasinan registered the highest with 1.18 percent, higher than the regional level.

In terms of employment, 38.6 percent of employed in the region in October 2014 are laborers and unskilled workers. The service sector shared the largest part to the region’s economy with 50.2 percent to the Gross Regional Domestic Product in 2014. The poverty incidence (among families) in Ilocos Region using the refined methodology decreased by 2.8 percent from 16.8 percent in 2009 to 14.0 percent in 2012. Among the four provinces, Ilocos Norte had the lowest poverty incidence at 8.4 percent while La Union had the highest poverty incidence at 15.3 percent.

Being an agricultural region, palay production in 2015 reached 1.78 million metric tons which is 1.06 percent lower than in 2014. Corn production on the other hand reached 490,943 metric tons with 2.98 percent increase in 2015.

In 2014, Ilocos Region had a total of 101 hospital that catered to the health needs of the population. There were also 149 health centers and 1,141 Barangay Health Stations distributed among the municipalities and barangays. In terms of education, Region I had a total of 3,697 elementary and secondary learning institutions in the School Year 2014-2015. The literacy rate of the region in 2013 for both women and men was 98.2 percent.

Source: 2015 Regional Socio-Economic Trends (RSET, PSA)