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Population & demographics
All demographic data for Blera: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Blera.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Blera.
Blera is a small municipality in the province of Viterbo, Lazio region. With a population of 2895 inhabitants and a density of 31 per km², it covers an area of 92.8 km². The average declared income is 20.433 €.
Blera in numbers: the analysis
Among the 60 municipalities of the province of Viterbo, Blera ranks 29 by population.
The census record tells a story of long decline: in 1951 Blera had 3,245 inhabitants; today (2026) it has 2,895 — 10.8% fewer.
The ageing index is one of the starkest signals: in Blera there are 306 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 2,302 inhabitants for Blera: an expected decline of 20.5% from today.
Compared with the provincial average of Viterbo (about 5,130 residents per municipality), Blera is a markedly smaller centre.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 3095 |
| 2020 | 3059 |
| 2021 | 3035 |
| 2022 | 3003 |
| 2023 | 2981 |
| 2024 | 2892 |
| 2025 | 2886 |
| 2026 | 2895 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 1443 | 49.8% |
| Women | 1452 | 50.2% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 20 |
| 2022 | 16 |
| 2023 | 11 |
| 2024 | 13 |
| 2025 | 9 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 3245 |
| 1961 | 3296 |
| 1971 | 3137 |
| 1981 | 3084 |
| 1991 | 3193 |
| 2001 | 3208 |
| 2011 | 3356 |
| 2019 | 3095 |
| 2020 | 3059 |
| 2021 | 3035 |
| 2022 | 3003 |
| 2023 | 2981 |
| 2024 | 2892 |
| 2025 | 2886 |
| 2026 | 2895 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 2398 | 41.5% |
| Married | 2694 | 46.7% |
| Divorced | 192 | 3.3% |
| Widowed | 488 | 8.5% |
School-Age Population (2026)
Total 0-18 years: 357
| Valore | |
|---|---|
| Nido (0-2) | 31 |
| Infanzia (3-5) | 56 |
| Primaria (6-10) | 90 |
| Medie (11-13) | 71 |
| Superiori (14-18) | 109 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Blera population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/blera-056007" title="Population pyramid of Blera — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/blera-056007" alt="Population pyramid of Blera — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>