The city has suffered much from partisan strife, and the removal of the government to La Paz greatly diminished its importance.
In 1903, after the census had been taken, the population of the town was more than doubled by the addition of the municipalities of La Paz (pop. 5724), Mandurriao (pop. 4482), Molo (pop. 8551) and Jaro (pop. 10,681); in 1908 Jaro again became a separate town.
The Gulf has a considerable number of islands, most of them near the peninsular coast, and several deep, well-protected bays - those of La Paz and Santa Ines in Lower California, Guaymas in Sonora, Agiobampo, Topolobampo and Altata Salinas in Sinaloa.
The Distrito del Norte is credited with a population of 7583 and has its capital at Ensenada (pop. 1026); the Distrito del Sur has a population of 40,041 and has its capital at La Paz.
The town owes its existence to the Bolivian trade from La Paz and Oruro, and is the residence of a number of foreign merchants.