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  1. Home
  2. Sardegna
  3. Nuoro
  4. Olzai

Olzai is a small municipality in the province of Nuoro, Sardegna region. With a population of 752 inhabitants and a density of 11 per km², it covers an area of 69.8 km². The average declared income is 17.474 €.

SardegnaNuoro

Olzai

ISTAT Code: 091057

40.1828°N, 9.1489°E

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752
Inhabitants
11
Inhabitants/km²
17.474 €
Average Income
13.79 µg/m³
PM2.5
1,5%
Land Consumption
69.8 km²
Area

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Population Trend

Male/Female Ratio

752Totale
Men
Women

Demographic Statistics

Men383
Women369
Year2026

Demographic Indices

-0.4%
Annual change
change from the previous year
362
Ageing index
65+ / 0-14 × 100
77.4
Dependency ratio
(0-14 + 65+) / 15-64 × 100
254.2
Workforce replacement
60-64 / 15-19 × 100
148
Workforce structure
40-64 / 15-39 × 100
21.8
Child dependency
0-4 / women 15-49 × 100
51.41
Average age
weighted average age

Births (recent years)

Historical Population (1951-present)

Marital Status (2025)

1510Totale
Single
Married
Divorced
Widowed

School-Age Population (2026)

Total 0-18 years: 93

Foreign residents

Foreign presence and top citizenships

Main citizenships
Foreign residents
40
Foreign-resident share: 5.3%
Main citizenships
Romania19
Marocco8
Perù8
Polonia2
Germania1

Municipalities in the same province

Aritzo

Nuoro, Sardegna

Arzana

Nuoro, Sardegna

Atzara

Nuoro, Sardegna

Austis

Nuoro, Sardegna

Bari Sardo

Nuoro, 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

Guamaggiore

894 · Sud Sardegna, Sardegna

Ortacesus

875 · Sud Sardegna, Sardegna

Torralba

874 · Sassari, Sardegna

Siamaggiore

866 · Oristano, Sardegna

Oniferi

852 · Nuoro, Sardegna

Burgos

834 · Sassari, Sardegna

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