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Population & demographics
All demographic data for Oliena: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Oliena.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Oliena.
Oliena is a medium-sized municipality in the province of Nuoro, Sardegna region. With a population of 6405 inhabitants and a density of 39 per km², it covers an area of 165.8 km². The average declared income is 18.601 €.
Oliena in numbers: the analysis
Demographic projections to 2050 estimate about 4,891 inhabitants for Oliena: an expected decline of 23.6% from today.
The average municipality in the province of Nuoro has about 2,623 residents: Oliena has 2.4 times as many.
By population, Oliena ranks no. 7 among the 74 municipalities of the province of Nuoro.
Oliena has grown substantially since 1951: from 6,030 inhabitants then to 6,405 in 2026, an increase of 6.2%.
The ageing index is one of the starkest signals: in Oliena there are 318 residents over 65 for every 100 under 14, well above the national average.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 6929 |
| 2020 | 6850 |
| 2021 | 6722 |
| 2022 | 6657 |
| 2023 | 6607 |
| 2024 | 6530 |
| 2025 | 6475 |
| 2026 | 6405 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 3166 | 49.4% |
| Women | 3239 | 50.6% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 30 |
| 2022 | 22 |
| 2023 | 18 |
| 2024 | 26 |
| 2025 | 24 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 6030 |
| 1961 | 7008 |
| 1971 | 7033 |
| 1981 | 7279 |
| 1991 | 7724 |
| 2001 | 7604 |
| 2011 | 7355 |
| 2019 | 6929 |
| 2020 | 6850 |
| 2021 | 6722 |
| 2022 | 6657 |
| 2023 | 6607 |
| 2024 | 6530 |
| 2025 | 6475 |
| 2026 | 6405 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 6066 | 46.8% |
| Married | 5460 | 42.2% |
| Divorced | 312 | 2.4% |
| Widowed | 1112 | 8.6% |
School-Age Population (2026)
Total 0-18 years: 818
| Valore | |
|---|---|
| Nido (0-2) | 73 |
| Infanzia (3-5) | 74 |
| Primaria (6-10) | 213 |
| Medie (11-13) | 154 |
| Superiori (14-18) | 304 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Oliena population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/oliena-091055" title="Population pyramid of Oliena — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/oliena-091055" alt="Population pyramid of Oliena — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>