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 Roma.
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 Roma ranked by population.
Compare this municipality
Open the comparison page with this municipality preselected.
Population & demographics
All demographic data for Segni: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Segni.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Segni.
Segni is a medium-sized municipality in the province of Roma, Lazio region. With a population of 8961 inhabitants and a density of 148 per km², it covers an area of 60.5 km². The average declared income is 22.632 €.
Segni in numbers: the analysis
The generational balance is in line with the norm: the ageing index of Segni is 238 (over-65s per 100 under-14s).
Demographic projections to 2050 estimate about 8,364 inhabitants for Segni: an expected decline of 6.7% from today.
Compared with the provincial average of Roma (about 34,917 residents per municipality), Segni is a markedly smaller centre.
Among the 121 municipalities of the province of Roma, Segni ranks 45 by population.
Over the long run the population of Segni has stayed essentially stable: 9,202 inhabitants in 1951, 8,961 in 2026 (less than 5% change).
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 9143 |
| 2020 | 9139 |
| 2021 | 8985 |
| 2022 | 8983 |
| 2023 | 8962 |
| 2024 | 8976 |
| 2025 | 8949 |
| 2026 | 8961 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 4429 | 49.4% |
| Women | 4532 | 50.6% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 44 |
| 2022 | 62 |
| 2023 | 68 |
| 2024 | 53 |
| 2025 | 57 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 9202 |
| 1961 | 8648 |
| 1971 | 8284 |
| 1981 | 8340 |
| 1991 | 8306 |
| 2001 | 8780 |
| 2011 | 9101 |
| 2019 | 9143 |
| 2020 | 9139 |
| 2021 | 8985 |
| 2022 | 8983 |
| 2023 | 8962 |
| 2024 | 8976 |
| 2025 | 8949 |
| 2026 | 8961 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 7544 | 42.1% |
| Married | 8444 | 47.2% |
| Divorced | 510 | 2.8% |
| Widowed | 1400 | 7.8% |
School-Age Population (2026)
Total 0-18 years: 1331
| Valore | |
|---|---|
| Nido (0-2) | 182 |
| Infanzia (3-5) | 193 |
| Primaria (6-10) | 319 |
| Medie (11-13) | 213 |
| Superiori (14-18) | 424 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Segni population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/segni-058102" title="Population pyramid of Segni — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/segni-058102" alt="Population pyramid of Segni — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>