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  1. Home
  2. Sardegna
  3. Sassari
  4. Olbia

Olbia is a large municipality in the province of Sassari, Sardegna region. With a population of 61.739 inhabitants and a density of 0 per km², it covers an area of 0.0 km². The average declared income is 22.036 €.

SardegnaSassari

Olbia

ISTAT Code: 090047

40.9232°N, 9.5049°E

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61.7k
Inhabitants
22.036 €
Average Income
13.79 µg/m³
PM2.5
7,8%
Land Consumption

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Population Trend

Male/Female Ratio

61.739Totale
Men
Women

Demographic Statistics

Men30.530
Women31.209
Year2026

Demographic Indices

+0.09%
Annual change
change from the previous year
178.9
Ageing index
65+ / 0-14 × 100
47.4
Dependency ratio
(0-14 + 65+) / 15-64 × 100
147.8
Workforce replacement
60-64 / 15-19 × 100
160.6
Workforce structure
40-64 / 15-39 × 100
14
Child dependency
0-4 / women 15-49 × 100
45.31
Average age
weighted average age

Births (recent years)

Historical Population (1951-present)

Marital Status (2025)

123.240Totale
Single
Married
Divorced
Widowed

School-Age Population (2026)

Total 0-18 years: 9778

Foreign residents

Foreign presence and top citizenships

Main citizenships
Foreign residents
5859
Foreign-resident share: 9.5%
Main citizenships
Romania2360
Senegal445
Albania320
Marocco286
Polonia235

Municipalities in the same province

Aggius

Sassari, Sardegna

Aglientu

Sassari, Sardegna

Alghero

Sassari, Sardegna

Alà dei Sardi

Sassari, Sardegna

Anela

Sassari, Sardegna

Municipalities in the same region

Abbasanta

Oristano, Sardegna

Aggius

Sassari, Sardegna

Aglientu

Sassari, Sardegna

Aidomaggiore

Oristano, Sardegna

Albagiara

Oristano, Sardegna

Ales

Oristano, Sardegna

Municipalities with similar population

Quartu Sant'Elena

68.509 · Cagliari, Sardegna

Source: ISTAT 2025, MEF 2023, ISPRA 2024, EEA 2022 · Year: 2025