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Population & demographics
All demographic data for Oriolo Romano: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Oriolo Romano.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Oriolo Romano.
Oriolo Romano is a small municipality in the province of Viterbo, Lazio region. With a population of 3673 inhabitants and a density of 194 per km², it covers an area of 18.9 km². The average declared income is 22.192 €.
Oriolo Romano in numbers: the analysis
Oriolo Romano has grown substantially since 1951: from 1,996 inhabitants then to 3,673 in 2026, an increase of 84%.
The ageing index is one of the starkest signals: in Oriolo Romano there are 257 residents over 65 for every 100 under 14, well above the national average.
For 2050 the projections point to an essentially unchanged population: about 3,559 inhabitants.
Among the 60 municipalities of the province of Viterbo, Oriolo Romano ranks 23 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 3707 |
| 2020 | 3690 |
| 2021 | 3708 |
| 2022 | 3728 |
| 2023 | 3721 |
| 2024 | 3699 |
| 2025 | 3696 |
| 2026 | 3673 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 1812 | 49.3% |
| Women | 1861 | 50.7% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 18 |
| 2022 | 22 |
| 2023 | 17 |
| 2024 | 21 |
| 2025 | 14 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1996 |
| 1961 | 2017 |
| 1971 | 1914 |
| 1981 | 2085 |
| 1991 | 2338 |
| 2001 | 2920 |
| 2011 | 3648 |
| 2019 | 3707 |
| 2020 | 3690 |
| 2021 | 3708 |
| 2022 | 3728 |
| 2023 | 3721 |
| 2024 | 3699 |
| 2025 | 3696 |
| 2026 | 3673 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 3256 | 44.0% |
| Married | 3180 | 43.0% |
| Divorced | 396 | 5.4% |
| Widowed | 560 | 7.6% |
School-Age Population (2026)
Total 0-18 years: 507
| Valore | |
|---|---|
| Nido (0-2) | 53 |
| Infanzia (3-5) | 69 |
| Primaria (6-10) | 124 |
| Medie (11-13) | 107 |
| Superiori (14-18) | 154 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Oriolo Romano population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/oriolo-romano-056041" title="Population pyramid of Oriolo Romano — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/oriolo-romano-056041" alt="Population pyramid of Oriolo Romano — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>