














Explore related data
Jump from local statistics to linked rankings and territorial pages.
Region page
Open the full profile page for Lazio.
Province page
Open the full profile page for the province of Viterbo.
Income overview
Explore the income map and the municipalities with the highest and lowest values.
Regional income ranking
View the municipalities in Lazio ranked by average income.
Provincial population ranking
View the municipalities in the province of Viterbo ranked by population.
Compare this municipality
Open the comparison page with this municipality preselected.
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>