Barangay Dolores is also part of the West District Division of Barangay in Tarlac City. It is surrounded by Barangay Sinait on their North, Barangay Sapang Maragul on the West, Barangay San Isidro on the East and also South.

It is approximately 8.8 kilometers away from city proper. It has a total land area of 667.99 hectares. 168.25 hectares designate to agricultural area and 499.74 hectares corresponds to residential area and industrial area. It is divided into 7 Purok namely: Purok Waling-waling, Purok Mirasol, Purok Cadena De Amor, Purok Ilang-ilang, Purok Everlasting, Purok Jasmine, Purok Sampaguita.

Barangay Dolores classified as Rural Barangay, it has a total population of one thousand eight hundred sixty five (1,865) as of 2005, and a household population of three hundred eighty one (381).

Barangay Dolores is an industrial, commercial and residential area. People residing in this area were mostly employees, laborers, professionals, drivers, construction workers and others. Some were having their own mini business stall such as sari-sari stores, canteen and so on.

Unknown for so many years ago, there is a spring wells exit of about 5 meters apart. In the year 1907, a group of hunters had discovered the spring wells located northwest of the Barangay proper. The spring then, surrounded by thick woods, “Bamboos” and of swamps it was hidden. At that time, it looks like an ordinary spring of water coming and flowing out in between the rocks of about 1 meter deep. The Same year, was the founding of Barangay Dolores, a peaceful place located part of the City of Tarlac about more or less than 10 kilometers away from the town proper. At that time barangay residents mostly the founders, do not give any important to spring well, but as years passed by, they learned and believed that this spring was not ordinary one but of blessed and miraculous spring. They learned by themselves and by other people who came the barangay, who by dreams only, said that the water coming out of the spring well can cure illness and various diseases by just simply taking a bath and using it as their drinks.

As years by, in the year 1960, the spring well was improved little by through self-help project by the barangay residents with little assistance bfrom the government. It was this year when it was cemented and a grotto was installed wherein the image of virgin dolorosa was permanently housed. Since then, it was popularly known as the “Miraculous Spring Well”, and comes every summer season, many people coming from neighboring barangay and of different distant places, go to place for picnics and excursion taking a bath in the spring well. Now the spring well was a shade of an acacia tree of 70 years in existence.

The surrounding more or less than 30 square meters is a public property,. Feast day of the spring well and the barangay celebrated once a year, always a Friday proceeding the good Friday, which was commonly called by the folks as “Viernes Dolores”.

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

Barangay Dolores celebrates their feast day every April 1-2 as a thanksgiving to the patron San Vicente de Ferrer. Saint Vincent de Ferrer is the angel of the judgement and the preacher, the miracle worker and the Master of Sacred Theology