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Population & demographics
All demographic data for Frosinone: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Frosinone.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Frosinone.
Frosinone is a medium-sized municipality in the province of Frosinone, Lazio region. With a population of 42.836 inhabitants and a density of 927 per km², it covers an area of 46.2 km². The average declared income is 25.244 €.
Frosinone in numbers: the analysis
Frosinone has grown substantially since 1951: from 24,688 inhabitants then to 42,836 in 2026, an increase of 73.5%.
The generational balance is in line with the norm: the ageing index of Frosinone is 237 (over-65s per 100 under-14s).
Demographic projections to 2050 estimate about 35,976 inhabitants for Frosinone: an expected decline of 16% from today.
The average municipality in the province of Frosinone has about 5,058 residents: Frosinone has 8.5 times as many.
Frosinone is among Italy's major centres: the country's no. 182 municipality by population out of 7896.
Few municipalities in Lazio are larger: it ranks no. 17 by population out of 378.
Frosinone is the most populous municipality in the province of Frosinone, out of 91 in total.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 45.073 |
| 2020 | 44.831 |
| 2021 | 44.491 |
| 2022 | 43.830 |
| 2023 | 43.585 |
| 2024 | 43.305 |
| 2025 | 43.015 |
| 2026 | 42.836 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 20.614 | 48.1% |
| Women | 22.222 | 51.9% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 295 |
| 2022 | 247 |
| 2023 | 262 |
| 2024 | 250 |
| 2025 | 209 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 24.688 |
| 1961 | 31.155 |
| 1971 | 39.028 |
| 1981 | 44.644 |
| 1991 | 45.815 |
| 2001 | 48.636 |
| 2011 | 46.649 |
| 2019 | 45.073 |
| 2020 | 44.831 |
| 2021 | 44.491 |
| 2022 | 43.830 |
| 2023 | 43.585 |
| 2024 | 43.305 |
| 2025 | 43.015 |
| 2026 | 42.836 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 37.372 | 43.5% |
| Married | 38.806 | 45.1% |
| Divorced | 2850 | 3.3% |
| Widowed | 6956 | 8.1% |
School-Age Population (2026)
Total 0-18 years: 6410
| Valore | |
|---|---|
| Nido (0-2) | 746 |
| Infanzia (3-5) | 902 |
| Primaria (6-10) | 1661 |
| Medie (11-13) | 1125 |
| Superiori (14-18) | 1976 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Frosinone population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/frosinone-060038" title="Population pyramid of Frosinone — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/frosinone-060038" alt="Population pyramid of Frosinone — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>