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Sardigliano is a small municipality in the province of Alessandria, Piemonte region. With a population of 375 inhabitants and a density of 29 per km², it covers an area of 13.0 km². The average declared income is 26.033 €.

Sardigliano in numbers: the analysis

The census record tells a story of long decline: in 1951 Sardigliano had 855 inhabitants; today (2026) it has 375 — 56.1% fewer.

The ageing index is one of the starkest signals: in Sardigliano there are 373 residents over 65 for every 100 under 14, well above the national average.

Demographic projections to 2050 estimate about 319 inhabitants for Sardigliano: an expected decline of 14.9% from today.

Compared with the provincial average of Alessandria (about 2,182 residents per municipality), Sardigliano is a markedly smaller centre.

Among the 187 municipalities of the province of Alessandria, Sardigliano ranks 141 by population.

Population Trend

Grafico a linee
AnnoPopolazione
2019393
2020393
2021384
2022386
2023380
2024374
2025377
2026375

Male/Female Ratio

Grafico a ciambella
Valore%
Men17847.5%
Women19752.5%

Demographic Statistics

Men178
Women197
Year2026

Demographic Indices

-0.53%
Annual change
change from the previous year
373.3
Ageing index
65+ / 0-14 × 100
60.9
Dependency ratio
(0-14 + 65+) / 15-64 × 100
161.1
Workforce replacement
60-64 / 15-19 × 100
170.9
Workforce structure
40-64 / 15-39 × 100
14.1
Child dependency
0-4 / women 15-49 × 100
50.55
Average age
weighted average age

Births (recent years)

Grafico a barre
Valore
20212
20221
20232
20240
20254

Historical Population (1951-present)

Grafico a linee
AnnoPopulation
1951855
1961746
1971611
1981556
1991460
2001441
2011452
2019393
2020393
2021384
2022386
2023380
2024374
2025377
2026375

Marital Status (2025)

Grafico a ciambella
Valore%
Single30240.1%
Married33444.3%
Divorced405.3%
Widowed7810.3%

School-Age Population (2026)

Total 0-18 years: 43

Grafico a barre
Valore
Nido (0-2)6
Infanzia (3-5)3
Primaria (6-10)12
Medie (11-13)5
Superiori (14-18)17

Foreign residents

Foreign presence and top citizenships

Main citizenships
Foreign residents
21
Foreign-resident share: 5.57%
Main citizenships
Romania8
Ecuador5
Perù2
Albania1
Colombia1

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

Population pyramid of Sardigliano — DatiItalia
<a href="https://datitalia.eu/comune/sardigliano-006157" title="Population pyramid of Sardigliano — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/sardigliano-006157" alt="Population pyramid of Sardigliano — 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 Sardigliano