[3] The town, dubbed as the "Golden West" in the 1960s and early 1970s, is named after the Bani tree which could be found in the Poblacion.

In May 1903, it was transferred to Pangasinan together with the towns of Agno, Alaminos, Anda, Bolinao, Burgos, Dasol, Infanta and Mabini.

On 21 November 1903, the town of Bani together with Alaminos, Bolinao, San Isidro de Potot and Infanta were annexed to Pangasinan.

During the time of Martial Law the mayor of Bani was Marcelo Navarro, a member of the Liberal Party.

After the People Power of 1986 the OIC who headed Bani was Edmundo Cacho[7] The Immaculate Conception, Patron Saint of San Simon, disappeared from the church altar and discovered on top of the tall Bani tree in the vicinity of the present Church.

The typhoon damaged an office close to the Municipal Building, the Western Pangasinan Lyceum, and a lot of structures and houses.

The 1762 Immaculate Conception of the Blessed Virgin Mary Parish Church (Poblacion, Bani) is under Co Pastor, Fr.

[20] Poverty incidence of Bani Source: Philippine Statistics Authority[21][22][23][24][25][26][27][28] Bani, belonging to the first congressional district of the province of Pangasinan, is governed by a mayor designated as its local chief executive and by a municipal council as its legislative body in accordance with the Local Government Code.