Elections & Voting · Cagayan Valley
Registered Voters in Cagayan Valley (2025)
Cagayan Valley (Region II) has 2,358,587 registered voters. That is 3.4% of all voters in the Philippines, and the #15 largest of 18 regions.
Source: COMELEC · May 12, 2025 National and Local Elections voter list (as of Jan. 23, 2025) · Last updated: October 2026
ELI5
“Registered voters” means people whose names are on COMELEC's official voter list. In Cagayan Valley, that is 2,358,587 people. Being registered is not the same as voting: it only means you are allowed to vote.
Registered voters by province in Cagayan Valley
Isabela is the biggest province in Cagayan Valley, with 1,125,541 voters (47.7% of the region). The smallest is Batanes, with 13,655.
How Cagayan Valley compares
Each voting center in Cagayan Valley serves about 1,115 registered voters. The national average is about 1,823. A higher number means more voters are assigned to each center.
For OFWs from Cagayan Valley / Para sa OFW
The numbers on this page do not include overseas voters. COMELEC reports them separately. If you work abroad, you register at a Philippine embassy or consulate, not at a local election office in Cagayan Valley.
Under RA 9189 (Overseas Absentee Voting Act) as amended by RA 10590, Filipinos abroad may register and vote at Philippine embassies and consulates. Under RA 8189, every Filipino 18 or older who meets the residency requirements may register in the Philippines.
Frequently asked questions
How many registered voters are in Cagayan Valley?
Cagayan Valley (Region II) had 2,358,587 registered voters on COMELEC's list for the May 12, 2025 elections (as of January 23, 2025). That is 3.4% of the 68,431,965 registered voters nationwide.
Which province in Cagayan Valley has the most voters?
Isabela has the most, with 1,125,541 registered voters, or 47.7% of the region.
How does Cagayan Valley rank among Philippine regions?
Cagayan Valley ranks #15 out of 18 regions by registered voters. The largest is Calabarzon with 9,714,079.
Do these numbers include OFWs?
No. COMELEC reports overseas voters separately, so they are not counted in the regional totals above. Overseas Filipinos register at Philippine embassies and consulates.
Sources and notes
- COMELEC, Number of Registered Voters, May 12, 2025 National and Local Elections (as of Jan. 23, 2025), COMELEC Records and Statistics Division.
- These figures are COMELEC's list as of January 23, 2025. The list changes as voters register, transfer or are deactivated, so check COMELEC for the latest numbers.
- Percentages and per-center averages are BatasKo's own calculations from the COMELEC figures.