Sutrio (Friulian: Sudri) is a comune in the Regional decentralization entity of Udine in the Italian region of Friuli-Venezia Giulia, located about 120 kilometres (75 mi) northwest of Trieste and about 60 kilometres (37 mi) northwest of Udine. As of 31 December 2004, it had a population of 1,392 and an area of 21.1 square kilometres (8.1 mi2).
The municipality of Sutrio contains the frazioni (boroughs) of Nojaris and Priola.
Sutrio borders the following municipalities: Arta Terme, Cercivento, Lauco, Ovaro, Paluzza, Ravascletto, Zuglio.
Demographic evolution
| Year | Pop. | ±% |
|---|---|---|
| 1861 | ? | — |
| 1871 | 1,279 | — |
| 1881 | 1,396 | +9.1% |
| 1901 | 1,578 | +13.0% |
| 1911 | 1,703 | +7.9% |
| Year | Pop. | ±% |
|---|---|---|
| 1921 | 1,794 | +5.3% |
| 1931 | 1,707 | −4.8% |
| 1936 | 1,574 | −7.8% |
| 1951 | 1,758 | +11.7% |
| 1961 | 1,751 | −0.4% |
| Year | Pop. | ±% |
|---|---|---|
| 1971 | 1,575 | −10.1% |
| 1981 | 1,510 | −4.1% |
| 1991 | 1,428 | −5.4% |
| 2001 | 1,392 | −2.5% |
Historical population
