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  1. Home
  2. Toscana
  3. Siena
  4. Castiglione d'Orcia

Castiglione d'Orcia is a small municipality in the province of Siena, Toscana region. With a population of 2046 inhabitants and a density of 14 per km², it covers an area of 141.7 km². The average declared income is 23.198 €.

ToscanaSiena

Castiglione d'Orcia

ISTAT Code: 052007

43.0044°N, 11.6164°E

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2.0k
Inhabitants
14
Inhabitants/km²
23.198 €
Average Income
13.79 µg/m³
PM2.5
2,3%
Land Consumption
141.7 km²
Area

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Population Trend

Male/Female Ratio

2046Totale
Men
Women

Demographic Statistics

Men1016
Women1030
Year2026

Demographic Indices

-1.68%
Annual change
change from the previous year
468.6
Ageing index
65+ / 0-14 × 100
74
Dependency ratio
(0-14 + 65+) / 15-64 × 100
201.2
Workforce replacement
60-64 / 15-19 × 100
178.7
Workforce structure
40-64 / 15-39 × 100
11.7
Child dependency
0-4 / women 15-49 × 100
52.8
Average age
weighted average age

Births (recent years)

Historical Population (1951-present)

Marital Status (2025)

4162Totale
Single
Married
Divorced
Widowed

School-Age Population (2026)

Total 0-18 years: 226

Foreign residents

Foreign presence and top citizenships

Main citizenships
Foreign residents
231
Foreign-resident share: 11.1%
Main citizenships
Romania82
Marocco46
Polonia27
Tunisia24
Albania13

Municipalities in the same province

Abbadia San Salvatore

Siena, Toscana

Asciano

Siena, Toscana

Buonconvento

Siena, Toscana

Casole d'Elsa

Siena, Toscana

Castellina in Chianti

Siena, Toscana

Municipalities in the same region

Abbadia San Salvatore

Siena, Toscana

Abetone Cutigliano

Pistoia, Toscana

Agliana

Pistoia, Toscana

Altopascio

Lucca, Toscana

Anghiari

Arezzo, Toscana

Arcidosso

Grosseto, Toscana

Municipalities with similar population

Castel San Niccolò

2.454 · Arezzo, Toscana

Cinigiano

2.421 · Grosseto, Toscana

Campagnatico

2.325 · Grosseto, Toscana

Mulazzo

2.293 · Massa-Carrara, Toscana

Pieve Fosciana

2.221 · Lucca, Toscana

Montescudaio

2.176 · Pisa, Toscana

Source: ISTAT 2025, MEF 2023, ISPRA 2024, EEA 2022 · Year: 2025