| Bácum Municipality | |
| Pushpin Label Position: | above |
| Pushpin Map Caption: | Location in Mexico |
| Subdivision Type: | Country |
| Subdivision Name: |  Mexico |
| Subdivision Type1: | State |
| Subdivision Name1: | Sonora |
| Subdivision Type2: | County seat |
| Subdivision Name2: | Bácum |
| Area Total Km2: | 1,409.7 |
| Population As Of: | 2005 |
| Population Total: | 21,322 |
| Timezone: | Mountain Standard Time |
| Utc Offset: | -7 |
| Timezone Dst: | No DST |
| Utc Offset Dst: | -7 |
Bácum Municipality is a municipality of southwestern Sonora, in northwestern Mexico.[1] The population was 21,322 in 2005.
Bácum Municipality is located in one of the two valleys of the Yaqui River. The area of the municipality is 1,409.7 km2 (544.3 mi2) It is bounded by the Municipalities of Cajeme in the east and Guaymas in the west — and the Gulf of California in the south.
The municipality lies next to the large urban center of Ciudad Obregón in Cajeme.
The indigenous community is very large, with more than 9,000 residents identified as Yaqui in the 2000 census.https://web.archive.org/web/20081201232501/http://www.e-local.gob.mx/wb2/ELOCAL/EMM_sonora
The Bácum Municipality's main economic activity is intensive agriculture, with more than 300 square kilometers under irrigation by canal. The Yaqui River's water is used for irrigation in a system of canals. The main crops are wheat, corn, soybeans, barley, cotton, and garden vegetables, as well as seasonal crops such as alfalfa and some fruits.
The coastline in the south is 12km (07miles) long. Some fishing is practiced. Industries are small, and consist chiefly of packing houses for vegetables and liquid fertilizer production.