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  1. Home
  2. Toscana
  3. Siena
  4. San Quirico d'Orcia

San Quirico d'Orcia is a small municipality in the province of Siena, Toscana region. With a population of 2530 inhabitants and a density of 60 per km², it covers an area of 42.1 km². The average declared income is 24.048 €.

ToscanaSiena

San Quirico d'Orcia

ISTAT Code: 052030

43.0603°N, 11.6033°E

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2.5k
Inhabitants
60
Inhabitants/km²
24.048 €
Average Income
13.79 µg/m³
PM2.5
4,4%
Land Consumption
42.1 km²
Area

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Population Trend

Male/Female Ratio

2530Totale
Men
Women

Demographic Statistics

Men1231
Women1299
Year2026

Demographic Indices

-1.17%
Annual change
change from the previous year
243.7
Ageing index
65+ / 0-14 × 100
62.8
Dependency ratio
(0-14 + 65+) / 15-64 × 100
166.4
Workforce replacement
60-64 / 15-19 × 100
142.1
Workforce structure
40-64 / 15-39 × 100
20.3
Child dependency
0-4 / women 15-49 × 100
47.89
Average age
weighted average age

Births (recent years)

Historical Population (1951-present)

Marital Status (2025)

5120Totale
Single
Married
Divorced
Widowed

School-Age Population (2026)

Total 0-18 years: 378

Foreign residents

Foreign presence and top citizenships

Main citizenships
Foreign residents
327
Foreign-resident share: 12.77%
Main citizenships
Romania85
Kosovo38
Bangladesh12
Albania11
Marocco11

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

Sorano

3.032 · Grosseto, Toscana

Buonconvento

2.984 · Siena, Toscana

Pieve Santo Stefano

2.971 · Arezzo, Toscana

Suvereto

2.932 · Livorno, Toscana

Civitella Paganico

2.915 · Grosseto, Toscana

Castel Focognano

2.911 · Arezzo, Toscana

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