Barangay Wawa I

Situated in Rosario, Cavite, Barangay Wawa I is one of 20 barangays that make up the municipality within CALABARZON.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Wawa I had a population of 5,511. This made it the 9th largest of 20 barangays in Rosario by population, placing it in the middle tier of the municipality. Residents of Barangay Wawa I accounted for approximately 4.97% of the total population of Rosario, which stood at 110,807 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Wawa I changed from 4,894 to 5,511, a shift of +12.6% over the five-year period. This places the barangay among those with growing populations in Rosario. The Philippine Statistics Authority classifies Barangay Wawa I as urban, reflecting the density and built-up character of the area.

Rosario is a municipality comprising 20 barangays, and serves as the governing unit directly responsible for local services in Barangay Wawa I, including public health, sanitation, peace and order, and civil registration. Within the wider province of Cavite, which contains 829 barangays across its component cities and municipalities, Barangay Wawa I ranks 198th by 2020 population. Cavite is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Like every Philippine barangay, Barangay Wawa I is led by an elected Punong Barangay (barangay captain) supported by seven Sangguniang Barangay members (kagawads), an SK Chairperson, a Barangay Secretary, and a Barangay Treasurer. The next Barangay and Sangguniang Kabataan Elections (BSKE) are scheduled for Monday, November 2, 2026, with officials serving four-year terms under Republic Act No. 12232.