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Alto Sermenza is a small municipality in the province of Vercelli, Piemonte region. With a population of 133 inhabitants and a density of 2 per km², it covers an area of 60.1 km². The average declared income is 25.183 €.

Alto Sermenza in numbers: the analysis

Compared with the provincial average of Vercelli (about 2,026 residents per municipality), Alto Sermenza is a markedly smaller centre.

Demographic projections to 2050 estimate about 75 inhabitants for Alto Sermenza: an expected decline of 43.6% from today.

The ageing index is one of the starkest signals: in Alto Sermenza there are 1,450 residents over 65 for every 100 under 14, well above the national average.

The census record tells a story of long decline: in 2019 Alto Sermenza had 157 inhabitants; today (2026) it has 133 — 15.3% fewer.

Among the 82 municipalities of the province of Vercelli, Alto Sermenza ranks 75 by population.

Population Trend

Grafico a linee
AnnoPopolazione
2019157
2020151
2021149
2022145
2023145
2024140
2025134
2026133

Male/Female Ratio

Grafico a ciambella
Valore%
Men7052.6%
Women6347.4%

Demographic Statistics

Men70
Women63
Year2026

Demographic Indices

-0.75%
Annual change
change from the previous year
1450
Ageing index
65+ / 0-14 × 100
87.3
Dependency ratio
(0-14 + 65+) / 15-64 × 100
366.7
Workforce replacement
60-64 / 15-19 × 100
255
Workforce structure
40-64 / 15-39 × 100
0
Child dependency
0-4 / women 15-49 × 100
57.29
Average age
weighted average age

Births (recent years)

Grafico a barre
Valore
20210
20220
20230
20240
20250

Historical Population (1951-present)

Grafico a linee
AnnoPopulation
2019157
2020151
2021149
2022145
2023145
2024140
2025134
2026133

Marital Status (2025)

Grafico a ciambella
Valore%
Single11241.8%
Married10438.8%
Divorced207.5%
Widowed3211.9%

School-Age Population (2026)

Total 0-18 years: 5

Grafico a barre
Valore
Nido (0-2)0
Infanzia (3-5)1
Primaria (6-10)0
Medie (11-13)3
Superiori (14-18)1

Foreign residents

Foreign presence and top citizenships

Main citizenships
Foreign residents
3
Foreign-resident share: 2.24%
Main citizenships
Israele1
Repubblica Ceca1
Ucraina1

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Use the Alto Sermenza population pyramid on your site or article — the DatiItalia source link is already included.

Population pyramid of Alto Sermenza — DatiItalia
<a href="https://datitalia.eu/comune/alto-sermenza-002170" title="Population pyramid of Alto Sermenza — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/alto-sermenza-002170" alt="Population pyramid of Alto Sermenza — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>
Source: ISTAT, MEF, ISPRA, EEA · Year: 2025 · updated Jun 28, 2026

Altri dati e servizi a Alto Sermenza