Barangay Dalayap is also part of the North Distric Division of Barangays in Tarlac City. Barangay Sta. Cruz surrounds it on the West, Barangay Alvindia on the Northwest, and Barangay Aguso on the Southwest, Barangay Tariji on the Southeast, and Balibago 1st and Balibago 2nd on the Northeast.

It is approximately 6.6 kilometers away from city proper. It has a total land area of 346.18 hectares. 204.1 hectares correspond to an agricultural area and 142.08 hectares designate to residential area. It also divided into 7 Blocks namely: Block 1, Block 2, and Block 3 to Block 7.

Barangay Dalayap classified as Rural Barangay, it has a total population of two thousand eight hundred twenty nine (2,829) as of 2005, and a household population of five hundred forty (540).

Barangay Dalayap is also an agricultural barangay. Farming is their major source of livelihood. Approximately 80% of the total populace here were farmers. They cultivate palay, vegetables, corn and so on. Other residents were employee, laborers, construction workers, tricycle drivers, OFW’s and so on. Some of the residents situated here have their own sari sari store that serves them as a source for their daily needs.

Before Barangay Dalayap is a Sitio of Aguso. Plenty of grasses and big trees planted here. Among the many trees that planted here, a tree captured the sight of the people of this barangay. They were impressed because it looks like the fruit of “Suha” or Pomelo, the leaves of these trees resembles like the leaves of the “Suha” but the fruit of these trees is smaller than the suha. These trees are well known as “Dalayap” or lime and so the residents united and called their barangay as Barangay Dalayap.

The pioneers of this barangay are the Tabaquero, Constantino, Dueñas, and Romero family.

Eighty percent of the total populations are Pampango, and the rest are Tagalog, Bisaya, Pangasinense, and Ilocano.

Barangay Dalayap celebrates their feast day every March 18-19 as a thanksgiving to the patron Saint Joseph.  Saint Joseph after Our Lady, the holiest mere man who ever lived. He is Patron of Carpenters and Patron of Workers.