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San Colombano al Lambro is a medium-sized municipality in the province of Milano, Lombardia region. With a population of 7591 inhabitants and a density of 464 per km², it covers an area of 16.4 km². The average declared income is 26.570 €.

San Colombano al Lambro in numbers: the analysis

The census record tells a story of long decline: in 1951 San Colombano al Lambro had 8,175 inhabitants; today (2026) it has 7,591 — 7.1% fewer.

The generational balance is in line with the norm: the ageing index of San Colombano al Lambro is 236 (over-65s per 100 under-14s).

Looking ahead to 2050, projections give San Colombano al Lambro about 8,242 inhabitants, up 8.6% from today.

Compared with the provincial average of Milano (about 24,459 residents per municipality), San Colombano al Lambro is a markedly smaller centre.

Among the 133 municipalities of the province of Milano, San Colombano al Lambro ranks 79 by population.

Population Trend

Grafico a linee
AnnoPopolazione
20197411
20207444
20217275
20227239
20237291
20247344
20257476
20267591

Male/Female Ratio

Grafico a ciambella
Valore%
Men375849.5%
Women383350.5%

Demographic Statistics

Men3758
Women3833
Year2026

Demographic Indices

+1.54%
Annual change
change from the previous year
236.2
Ageing index
65+ / 0-14 × 100
59.9
Dependency ratio
(0-14 + 65+) / 15-64 × 100
189
Workforce replacement
60-64 / 15-19 × 100
144.6
Workforce structure
40-64 / 15-39 × 100
16.7
Child dependency
0-4 / women 15-49 × 100
47.34
Average age
weighted average age

Births (recent years)

Grafico a barre
Valore
202150
202244
202333
202449
202550

Historical Population (1951-present)

Grafico a linee
AnnoPopulation
19518175
19617779
19717777
19817145
19916970
20017258
20117336
20197411
20207444
20217275
20227239
20237291
20247344
20257476
20267591

Marital Status (2025)

Grafico a ciambella
Valore%
Single648643.4%
Married655643.8%
Divorced6624.4%
Widowed12488.3%

School-Age Population (2026)

Total 0-18 years: 1103

Grafico a barre
Valore
Nido (0-2)137
Infanzia (3-5)138
Primaria (6-10)288
Medie (11-13)221
Superiori (14-18)319

Foreign residents

Foreign presence and top citizenships

Main citizenships
Foreign residents
791
Foreign-resident share: 10.58%
Main citizenships
Romania229
Egitto83
Albania79
Tunisia58
Ucraina53

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Use the San Colombano al Lambro population pyramid on your site or article — the DatiItalia source link is already included.

Population pyramid of San Colombano al Lambro — DatiItalia
<a href="https://datitalia.eu/comune/san-colombano-al-lambro-015191" title="Population pyramid of San Colombano al Lambro — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/san-colombano-al-lambro-015191" alt="Population pyramid of San Colombano al Lambro — 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 San Colombano al Lambro