Monteroni d'Arbia is a medium-sized municipality in the province of Siena, Toscana region. With a population of 9019 inhabitants and a density of 0 per km², it covers an area of 0.0 km². The average declared income is 24.560 €.

Population Trend

Male/Female Ratio

9019Totale
Men
Women

Demographic Statistics

Men4431
Women4588
Year2026

Demographic Indices

-0.11%
Annual change
change from the previous year
168.1
Ageing index
65+ / 0-14 × 100
60.1
Dependency ratio
(0-14 + 65+) / 15-64 × 100
124.9
Workforce replacement
60-64 / 15-19 × 100
140.5
Workforce structure
40-64 / 15-39 × 100
19.9
Child dependency
0-4 / women 15-49 × 100
45.01
Average age
weighted average age

Births (recent years)

Historical Population (1951-present)

Marital Status (2026)

0Totale
Single
Married
Divorced
Widowed

School-Age Population (2026)

Total 0-18 years: 1660

Foreign residents

Foreign presence and top citizenships

Main citizenships
Foreign residents
1093
Foreign-resident share: 12.11%
Main citizenships
Kosovo317
Albania141
Romania140
Ucraina49
Marocco45
Source: ISTAT 2025, MEF 2023, ISPRA 2024, EEA 2022 · Year: 2025