Osilo

Osilo Ósile (Sardinian)
Comune
Comune di Osilo
View of Osilo
Osilo Location within Sardinia
Coordinates: 40°44′N 8°40′E
Country	Italy
Region	Sardinia
Metropolitan city	Sassari (SS)
Frazioni	Santa Vittoria, San Lorenzo
Government
• Mayor	Giovanni Ligios
Area
• Total	98.03 km2 (37.85 sq mi)
Elevation	672 m (2,205 ft)
Population  (2026)
• Total	2,732
• Density	27.87/km2 (72.18/sq mi)
Demonym	Osilesi
Time zone	UTC+1 (CET)
• Summer (DST)	UTC+2 (CEST)
Postal code	07033
Dialing code	079

Osilo (Sardinian: Ósile) is a town and comune (municipality) in the Metropolitan City of Sassari in the autonomous island region of Sardinia in Italy, located about 170 kilometres (110 mi) north of Cagliari and about 10 kilometres (6 mi) east of Sassari. It has 2,732 inhabitants. It is part of the Anglona traditional region.

The municipality of Osilo contains the frazioni (subdivisions, mainly villages and hamlets) Santa Vittoria and San Lorenzo.

Osilo borders the municipalities of Cargeghe, Codrongianos, Muros, Nulvi, Ploaghe, Sassari, Sennori, and Tergu.

Demographics

As of 2026, the population is 2,732, of which 49.0% are males, and 51.0% are females. Minors make up 10.0% of the population, and seniors make up 30.3%.

Historical population

Year	Pop.	±%
1861	4,560	—
1871	4,829	+5.9%
1881	4,988	+3.3%
1901	5,223	+4.7%
1911	5,654	+8.3%
1921	5,206	−7.9%
1931	5,502	+5.7%
1936	5,684	+3.3%

Year	Pop.	±%
1951	5,727	+0.8%
1961	5,266	−8.0%
1971	4,402	−16.4%
1981	3,973	−9.7%
1991	3,847	−3.2%
2001	3,498	−9.1%
2011	3,204	−8.4%
2021	2,834	−11.5%

Source: ISTAT

Immigration

As of 2025, immigrants make up 2.7% of the population. The 5 largest foreign countries of birth are Romania, Germany, Tunisia, Argentina, and Ukraine.

Sights

The sights include a castle and several churches.

• 
  Church of Immacolata Concezione
• 
  Church of Rosario
• 
  Historical Centre
• 
  Historical Centre
• 
  Railway Station

Economy

The economy is mostly based on agriculture and animal husbandry, especially of sheep, which include about 250 dairy companies. It is the production center of the Osilo pecorino cheese.