Jalajala is politically subdivided into eleven barangays (three urban, eight rural). Barangay Bagumbong has the largest land area with 1,551.66 has. (including boundary dispute with Pakil), followed by Bayugo with 573.73 hectares, and Sipsipin with 441.71 hectares. On the other hand, Barangay Second district has the smallest area with 129.91 hectares.
Second District (Poblacion)
Third District (Poblacion)
First (Special) District (Poblacion)