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Population & demographics
All demographic data for Caiazzo: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Caiazzo.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Caiazzo.
Caiazzo is a medium-sized municipality in the province of Caserta, Campania region. With a population of 5077 inhabitants and a density of 135 per km², it covers an area of 37.6 km². The average declared income is 19.689 €.
Caiazzo in numbers: the analysis
The generational balance is in line with the norm: the ageing index of Caiazzo is 225 (over-65s per 100 under-14s).
Demographic projections to 2050 estimate about 4,040 inhabitants for Caiazzo: an expected decline of 20.4% from today.
Compared with the provincial average of Caserta (about 8,745 residents per municipality), Caiazzo is a markedly smaller centre.
Among the 104 municipalities of the province of Caserta, Caiazzo ranks 55 by population.
The census record tells a story of long decline: in 1951 Caiazzo had 6,113 inhabitants; today (2026) it has 5,077 — 16.9% fewer.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 5427 |
| 2020 | 5340 |
| 2021 | 5210 |
| 2022 | 5224 |
| 2023 | 5211 |
| 2024 | 5127 |
| 2025 | 5083 |
| 2026 | 5077 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 2473 | 48.7% |
| Women | 2604 | 51.3% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 37 |
| 2022 | 25 |
| 2023 | 36 |
| 2024 | 25 |
| 2025 | 33 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 6113 |
| 1961 | 5848 |
| 1971 | 5482 |
| 1981 | 5411 |
| 1991 | 5940 |
| 2001 | 5879 |
| 2011 | 5657 |
| 2019 | 5427 |
| 2020 | 5340 |
| 2021 | 5210 |
| 2022 | 5224 |
| 2023 | 5211 |
| 2024 | 5127 |
| 2025 | 5083 |
| 2026 | 5077 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 4150 | 40.8% |
| Married | 4882 | 48.0% |
| Divorced | 248 | 2.4% |
| Widowed | 886 | 8.7% |
School-Age Population (2026)
Total 0-18 years: 793
| Valore | |
|---|---|
| Nido (0-2) | 92 |
| Infanzia (3-5) | 103 |
| Primaria (6-10) | 224 |
| Medie (11-13) | 143 |
| Superiori (14-18) | 231 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Caiazzo population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/caiazzo-061009" title="Population pyramid of Caiazzo — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/caiazzo-061009" alt="Population pyramid of Caiazzo — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>