Demographics
| Historical population | ||
|---|---|---|
| Year | Pop. | ±% |
| 1850 | 2,646 | — |
| 1880 | 2,616 | −1.1% |
| 1890 | 2,920 | +11.6% |
| 1900 | 3,108 | +6.4% |
| 1910 | 3,841 | +23.6% |
| 1920 | 3,743 | −2.6% |
| 1930 | 4,707 | +25.8% |
| 1941 | 4,891 | +3.9% |
| 1956 | 5,671 | +15.9% |
| 1966 | 5,516 | −2.7% |
| 1977 | 4,805 | −12.9% |
| 1992 | 4,323 | −10.0% |
| 2002 | 4,026 | −6.9% |
| 2009 | 3,754 | −6.8% |
| 2010 | 3,719 | −0.9% |
| 2011 | 3,415 | −8.2% |
| Source: "Erdély etnikai és felekezeti statisztikája", Kulturális Innovációs Alapítvány (Hungarian) | ||
| Village | Population |
|---|---|
| Brâglez | 353 |
| Cristolțel | 460 |
| Solona | 288 |
| Surduc | 1,367 |
| Teștioara | 100 |
| Tihău | 1,080 |
| Turbuța | 378 |
| Commune of Surduc | 4,026 |
At the census of March 18, 2002, the population of Surduc was 4,026, ranking sixth in Sălaj County. Since the 1990s, residents have migrated to urban areas, but the population has nevertheless risen slightly due to natural increase. Additionally, there has been significant emigration to Italy, France, Germany, Spain, the United Kingdom, the United States and other countries in Western and Southern Europe. In terms of population stratification by gender, the commune of Surduc integrates 1.937 men (48.11%) and 2.089 women (51.89%). People under 15 years constituted 16.99%, while people over 59 years formed 27.72% of total population, denoting an acute enhancement of the senescence of population. In 2002, population density in the commune was 48.8 inhabitants per km2.
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