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Population & demographics
All demographic data for Castellina Marittima: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Castellina Marittima.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Castellina Marittima.
Castellina Marittima is a small municipality in the province of Pisa, Toscana region. With a population of 1948 inhabitants and a density of 43 per km², it covers an area of 45.2 km². The average declared income is 22.839 €.
Castellina Marittima in numbers: the analysis
Among the 37 municipalities of the province of Pisa, Castellina Marittima ranks 28 by population.
Compared with the provincial average of Pisa (about 11,340 residents per municipality), Castellina Marittima is a markedly smaller centre.
Looking ahead to 2050, projections give Castellina Marittima about 2,084 inhabitants, up 7% from today.
The ageing index is one of the starkest signals: in Castellina Marittima there are 275 residents over 65 for every 100 under 14, well above the national average.
The census record tells a story of long decline: in 1951 Castellina Marittima had 2,551 inhabitants; today (2026) it has 1,948 — 23.6% fewer.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1910 |
| 2020 | 1898 |
| 2021 | 1877 |
| 2022 | 1835 |
| 2023 | 1829 |
| 2024 | 1846 |
| 2025 | 1888 |
| 2026 | 1948 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 980 | 50.3% |
| Women | 968 | 49.7% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 11 |
| 2022 | 14 |
| 2023 | 12 |
| 2024 | 12 |
| 2025 | 8 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 2551 |
| 1961 | 2157 |
| 1971 | 1864 |
| 1981 | 1824 |
| 1991 | 1816 |
| 2001 | 1817 |
| 2011 | 1985 |
| 2019 | 1910 |
| 2020 | 1898 |
| 2021 | 1877 |
| 2022 | 1835 |
| 2023 | 1829 |
| 2024 | 1846 |
| 2025 | 1888 |
| 2026 | 1948 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 1632 | 43.2% |
| Married | 1644 | 43.5% |
| Divorced | 202 | 5.3% |
| Widowed | 298 | 7.9% |
School-Age Population (2026)
Total 0-18 years: 265
| Valore | |
|---|---|
| Nido (0-2) | 32 |
| Infanzia (3-5) | 35 |
| Primaria (6-10) | 71 |
| Medie (11-13) | 44 |
| Superiori (14-18) | 83 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Castellina Marittima population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/castellina-marittima-050010" title="Population pyramid of Castellina Marittima — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/castellina-marittima-050010" alt="Population pyramid of Castellina Marittima — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>