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Population & demographics
All demographic data for Arienzo: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Arienzo.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Arienzo.
Arienzo is a medium-sized municipality in the province of Caserta, Campania region. With a population of 5399 inhabitants and a density of 382 per km², it covers an area of 14.1 km². The average declared income is 17.177 €.
Arienzo in numbers: the analysis
The generational balance is in line with the norm: the ageing index of Arienzo is 131 (over-65s per 100 under-14s).
Looking ahead to 2050, projections give Arienzo about 5,712 inhabitants, up 5.8% from today.
Compared with the provincial average of Caserta (about 8,745 residents per municipality), Arienzo is a markedly smaller centre.
Among the 104 municipalities of the province of Caserta, Arienzo ranks 53 by population.
Arienzo has grown substantially since 1951: from 4,629 inhabitants then to 5,399 in 2026, an increase of 16.6%.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 5311 |
| 2020 | 5346 |
| 2021 | 5265 |
| 2022 | 5290 |
| 2023 | 5324 |
| 2024 | 5362 |
| 2025 | 5367 |
| 2026 | 5399 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 2693 | 49.9% |
| Women | 2706 | 50.1% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 31 |
| 2022 | 54 |
| 2023 | 44 |
| 2024 | 40 |
| 2025 | 44 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 4629 |
| 1961 | 4604 |
| 1971 | 4345 |
| 1981 | 4170 |
| 1991 | 4738 |
| 2001 | 5198 |
| 2011 | 5333 |
| 2019 | 5311 |
| 2020 | 5346 |
| 2021 | 5265 |
| 2022 | 5290 |
| 2023 | 5324 |
| 2024 | 5362 |
| 2025 | 5367 |
| 2026 | 5399 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 4622 | 43.1% |
| Married | 5350 | 49.8% |
| Divorced | 126 | 1.2% |
| Widowed | 636 | 5.9% |
School-Age Population (2026)
Total 0-18 years: 1031
| Valore | |
|---|---|
| Nido (0-2) | 137 |
| Infanzia (3-5) | 156 |
| Primaria (6-10) | 271 |
| Medie (11-13) | 165 |
| Superiori (14-18) | 302 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Arienzo population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/arienzo-061004" title="Population pyramid of Arienzo — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/arienzo-061004" alt="Population pyramid of Arienzo — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>