Updated by
Fr. Mathew Bulala, MA

Population in Geita Diocese

Map of Geita Diocese

The Diocese of Geita was established in 1985. During this time the number of Catholics was 70,000 out of a population of 743,312. Now the number of Catholics is 350,000 out of 1,470,653 people. (2012 census)

The Diocese of Geita is located on the southwest shore of Lake Victoria, the third largest lake in the world. The Diocese covers an area of 9037 sq.km. The diocese includes two administrative Districts, Sengerema and Geita.

Geita 807,619

Sengerema 663,034

General Population of the country

Location of Tanzania

The population of Tanzania is 41,048,532 (2010,from https://www.cia.gov/library/publications/the-world-factbook/geos/tz.html)

Location: On the Eastern side of the country there is the Indian Ocean. Kenya is to the North East; Uganda, Burundi, and Rwanda is to the northwest; Mozambique is to the South.

Total area: 945,087 sq. km. includes the islands of Mafia, Pemba and Zanzibar.

Water: 59,050 sq. km.


Land: 886,037 sq. km.

Comparative area: Slightly larger than twice the size of California.

Border countries: Burundi 451 km, Democratic Republic of the Congo 459 km, Kenya 769 km, Malawi 475 km, Mozambique 756 km, Rwanda 217 km, Uganda 396 km, Zambia 338 km

Costal line: 1,224 km.

Religion: Mainland: Christian 30%, Muslim 35%, indigenous beliefs 35%. Zanzibar: more than 99% Muslim