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Population & demographics
All demographic data for Sant'Apollinare: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Sant'Apollinare.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Sant'Apollinare.
Sant'Apollinare is a small municipality in the province of Frosinone, Lazio region. With a population of 1765 inhabitants and a density of 100 per km², it covers an area of 17.7 km². The average declared income is 20.547 €.
Sant'Apollinare in numbers: the analysis
Demographic projections to 2050 estimate about 1,513 inhabitants for Sant'Apollinare: an expected decline of 14.3% from today.
Compared with the provincial average of Frosinone (about 5,058 residents per municipality), Sant'Apollinare is a markedly smaller centre.
Among the 91 municipalities of the province of Frosinone, Sant'Apollinare ranks 57 by population.
The census record tells a story of long decline: in 1951 Sant'Apollinare had 2,889 inhabitants; today (2026) it has 1,765 — 38.9% fewer.
The generational balance is in line with the norm: the ageing index of Sant'Apollinare is 235 (over-65s per 100 under-14s).
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1846 |
| 2020 | 1850 |
| 2021 | 1834 |
| 2022 | 1842 |
| 2023 | 1820 |
| 2024 | 1811 |
| 2025 | 1806 |
| 2026 | 1765 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 858 | 48.6% |
| Women | 907 | 51.4% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 11 |
| 2022 | 10 |
| 2023 | 11 |
| 2024 | 11 |
| 2025 | 10 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 2889 |
| 1961 | 2406 |
| 1971 | 1979 |
| 1981 | 1855 |
| 1991 | 2038 |
| 2001 | 1950 |
| 2011 | 1931 |
| 2019 | 1846 |
| 2020 | 1850 |
| 2021 | 1834 |
| 2022 | 1842 |
| 2023 | 1820 |
| 2024 | 1811 |
| 2025 | 1806 |
| 2026 | 1765 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 1452 | 40.2% |
| Married | 1802 | 49.9% |
| Divorced | 104 | 2.9% |
| Widowed | 254 | 7.0% |
School-Age Population (2026)
Total 0-18 years: 265
| Valore | |
|---|---|
| Nido (0-2) | 32 |
| Infanzia (3-5) | 27 |
| Primaria (6-10) | 67 |
| Medie (11-13) | 61 |
| Superiori (14-18) | 78 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Sant'Apollinare population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/sant-apollinare-060067" title="Population pyramid of Sant'Apollinare — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/sant-apollinare-060067" alt="Population pyramid of Sant'Apollinare — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>