Zamboanga del Norte comprises the northern portion of the Zamboanga Peninsula. It is bounded on the north and west by Sulu Sea, on the east by Misamis Occidental, and on the south by Zamboanga del Sur. The province occupies a total land area of 6,618 square kilometers (2,555 sq mi). The province's irregular coastline runs some 400 kilometers (250 mi) from north to south.
Zamboanga del Norte is subdivided into 25 municipalities and 2 cities. These are further subdivided into 691 barangays, and clustered into 3 congressional districts.
The main language spoken is Bisaya. Other languages include Subanen, Tausug, Zamboangueño, Tagalog, Spanish, and English.
Zamboanga del Norte has a population of 957,997 according to the 2010 census. Its population density is 130/km². It is ranked 26th among the provinces both in terms of population and population density
About half of the province's land area is devoted to agriculture. Corn, coconut, and rice are the major crops. The province being rich in marine and mineral sources, its fish production has accelerated through the development of fishponds. Commercial fishing has likewise steadily increased through the years, with the yellow fin tuna as the primary species.
The circular background with printed text of Zamboanga del Norte Provincial Police Office in the lower portion and "For God and Country" in the upper part together with the sky blue background color inside the bigger circle symbolizes the cohesiveness and professionalism of the ZNPPO officers in performing their duties and functions and the fulfillment of the mission of the police organization, working hand and hand with civilian population.
- The National Flag in the middle represents our country wherein Zamboanga del Norte is a part thereof
- The three stars show the three major islands of the Philippines, Luzon, Visayas and Mindanao, along with the 7,100 islands and the territorial integrity which the PNP is tasked to enforce the law and maintain peace and order with professionalism, zeal and utmost dedication.
- Bravery, Loyalty and Integrity are the unblemished traits that the police must posses and virtues to maintain and protect above all; the traits of ZNPPO personnel in attaining its sworn mission of peace keeping and law enforcement.
- Lapu-lapu is the prototype of the best and noblest Filipino hero who is the symbol and embodiment of all genuine attributes and traits of leadership, courage, nationalism, self-reliance and people empowered community defense.
- Laurel serves as the symbol of honor, dignity and the privilege of being a member of the noble PNP organization where the call to public service is par excellence a commitment to public trust.
- The sun with a glowing rays is the symbol of flowering, maturing and ultimate realization of the glorious evolution of the PNP organization, with the Philippine Constabulary / Integrated National Police (PC/INP) as its nucleus, reorganized to become the national police organization that is “national in scope and civilian in character”. The traditional rays represents the boldest provinces whose ideals of courage and patriotism all members of the PNP must posses.
Camp Hamac in Sicayab, Dipolog City was named after the late LT. DIOGRACIAS G. HAMAC, a patriotic and courageous Filipino who fought during World War II to drive away the Japanese invaders from Dipolog.
On October 1, 1945, the Zamboanga Provincial Military Police Command was established in Sicayab, Dipolog City by virtue of General Order No. 4. Its provincial headquarters stood in this camp.
COL. LEODEGARIO C ORENDAIN was the first provincial commander who served from 01 October 1945 to 26 January 1946. He was succeeded by twenty provincial commanders who also served from 27 January 1946 to 30 September 1976.
On August 8, 1975, the Provincial Command was renamed as Zamboanga del Norte PC/INP Command pursuant to PD 765.
The enactment of Republic Act 6975 merged the Philippine Constabulary and the Integrated National Police into one police organization – national in scope and civilian in character in compliance with the transitory provision of the 1987 Philippine Constitution. Thus, on January 1, 1991, the PC and INP eventually became the Philippine National Police.
The ZN-PC/INP Command was renamed Zamboanga del Norte Police Provincial Command. Seven provincial commanders were designated to head the command.
During the PNP reorganization in 1991, the title of the head of the Command was changed from Provincial Commander to Provincial Director because the Zamboanga del Norte Provincial Police Command was renamed Zamboanga del Norte Police Provincial Office.