Skip to main content

Arzachena is a medium-sized municipality in the province of Sassari, Sardegna region. With a population of 13.456 inhabitants and a density of 58 per km², it covers an area of 232.4 km². The average declared income is 23.072 €.

Arzachena in numbers: the analysis

By population, Arzachena ranks no. 6 among the 92 municipalities of the province of Sassari.

Over the long run the population of Arzachena has stayed essentially stable: 13,477 inhabitants in 2019, 13,456 in 2026 (less than 5% change).

The generational balance is in line with the norm: the ageing index of Arzachena is 227 (over-65s per 100 under-14s).

For 2050 the projections point to an essentially unchanged population: about 13,384 inhabitants.

The average municipality in the province of Sassari has about 5,115 residents: Arzachena has 2.6 times as many.

Few municipalities in Sardegna are larger: it ranks no. 18 by population out of 377.

Population Trend

Grafico a linee
AnnoPopolazione
201913.477
202013.445
202113.337
202213.328
202313.399
202413.436
202513.435
202613.456

Male/Female Ratio

Grafico a ciambella
Valore%
Men679650.5%
Women666049.5%

Demographic Statistics

Men6796
Women6660
Year2026

Demographic Indices

+0.16%
Annual change
change from the previous year
226.8
Ageing index
65+ / 0-14 × 100
53.4
Dependency ratio
(0-14 + 65+) / 15-64 × 100
174.6
Workforce replacement
60-64 / 15-19 × 100
175.9
Workforce structure
40-64 / 15-39 × 100
13.5
Child dependency
0-4 / women 15-49 × 100
47.28
Average age
weighted average age

Births (recent years)

Grafico a barre
Valore
202157
202263
202370
202471
202574

Historical Population (1951-present)

Grafico a linee
AnnoPopulation
201913.477
202013.445
202113.337
202213.328
202313.399
202413.436
202513.435
202613.456

Marital Status (2025)

Grafico a ciambella
Valore%
Single12.30445.8%
Married11.91844.4%
Divorced12564.7%
Widowed13925.2%

School-Age Population (2026)

Total 0-18 years: 1927

Grafico a barre
Valore
Nido (0-2)214
Infanzia (3-5)199
Primaria (6-10)502
Medie (11-13)386
Superiori (14-18)626

Foreign residents

Foreign presence and top citizenships

Main citizenships
Foreign residents
1216
Foreign-resident share: 9.05%
Main citizenships
Romania477
Marocco176
Germania49
Federazione Russa42
Cina40
Source: ISTAT, MEF, ISPRA, EEA · Year: 2025 · updated Jun 07, 2026