Explore related data
Jump from local statistics to linked rankings and territorial pages.
Region page
Open the full profile page for Lazio.
Province page
Open the full profile page for the province of Frosinone.
Income overview
Explore the income map and the municipalities with the highest and lowest values.
Regional income ranking
View the municipalities in Lazio ranked by average income.
Provincial population ranking
View the municipalities in the province of Frosinone ranked by population.
Compare this municipality
Open the comparison page with this municipality preselected.
Population & demographics
All demographic data for Ausonia: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Ausonia.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Ausonia.
Ausonia is a small municipality in the province of Frosinone, Lazio region. With a population of 2405 inhabitants and a density of 122 per km², it covers an area of 19.6 km². The average declared income is 18.260 €.
Ausonia in numbers: the analysis
The generational balance is in line with the norm: the ageing index of Ausonia is 206 (over-65s per 100 under-14s).
The census record tells a story of long decline: in 1951 Ausonia had 3,601 inhabitants; today (2026) it has 2,405 — 33.2% fewer.
Among the 91 municipalities of the province of Frosinone, Ausonia ranks 44 by population.
Compared with the provincial average of Frosinone (about 5,058 residents per municipality), Ausonia is a markedly smaller centre.
Demographic projections to 2050 estimate about 2,055 inhabitants for Ausonia: an expected decline of 14.6% from today.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 2518 |
| 2020 | 2503 |
| 2021 | 2441 |
| 2022 | 2431 |
| 2023 | 2425 |
| 2024 | 2405 |
| 2025 | 2418 |
| 2026 | 2405 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 1194 | 49.6% |
| Women | 1211 | 50.4% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 17 |
| 2022 | 10 |
| 2023 | 18 |
| 2024 | 18 |
| 2025 | 18 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 3601 |
| 1961 | 3126 |
| 1971 | 2665 |
| 1981 | 2504 |
| 1991 | 2501 |
| 2001 | 2563 |
| 2011 | 2650 |
| 2019 | 2518 |
| 2020 | 2503 |
| 2021 | 2441 |
| 2022 | 2431 |
| 2023 | 2425 |
| 2024 | 2405 |
| 2025 | 2418 |
| 2026 | 2405 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 1878 | 38.8% |
| Married | 2444 | 50.5% |
| Divorced | 138 | 2.9% |
| Widowed | 376 | 7.8% |
School-Age Population (2026)
Total 0-18 years: 381
| Valore | |
|---|---|
| Nido (0-2) | 54 |
| Infanzia (3-5) | 50 |
| Primaria (6-10) | 98 |
| Medie (11-13) | 69 |
| Superiori (14-18) | 110 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Ausonia population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/ausonia-060012" title="Population pyramid of Ausonia — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/ausonia-060012" alt="Population pyramid of Ausonia — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>