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  1. Home
  2. Lazio
  3. Frosinone
  4. Belmonte Castello

Belmonte Castello is a small municipality in the province of Frosinone, Lazio region. With a population of 657 inhabitants and a density of 47 per km², it covers an area of 14.1 km². The average declared income is 16.668 €.

LazioFrosinone

Belmonte Castello

ISTAT Code: 060013

41.5783°N, 13.8117°E

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657
Inhabitants
47
Inhabitants/km²
16.668 €
Average Income
13.79 µg/m³
PM2.5
3,6%
Land Consumption
14.1 km²
Area

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Population Trend

Male/Female Ratio

657Totale
Men
Women

Demographic Statistics

Men333
Women324
Year2026

Demographic Indices

+0.31%
Annual change
change from the previous year
357.6
Ageing index
65+ / 0-14 × 100
69.8
Dependency ratio
(0-14 + 65+) / 15-64 × 100
151.5
Workforce replacement
60-64 / 15-19 × 100
146.5
Workforce structure
40-64 / 15-39 × 100
18.6
Child dependency
0-4 / women 15-49 × 100
49.6
Average age
weighted average age

Births (recent years)

Historical Population (1951-present)

Marital Status (2025)

1310Totale
Single
Married
Divorced
Widowed

School-Age Population (2026)

Total 0-18 years: 85

Foreign residents

Foreign presence and top citizenships

Main citizenships
Foreign residents
21
Foreign-resident share: 3.21%
Main citizenships
Romania7
Moldova3
Francia2
Regno Unito2
Ucraina2

Municipalities in the same province

Acquafondata

Frosinone, Lazio

Acuto

Frosinone, Lazio

Alatri

Frosinone, Lazio

Alvito

Frosinone, Lazio

Amaseno

Frosinone, Lazio

Municipalities in the same region

Accumoli

Rieti, Lazio

Acquafondata

Frosinone, Lazio

Acquapendente

Viterbo, Lazio

Acuto

Frosinone, Lazio

Affile

Roma, Lazio

Agosta

Roma, Lazio

Municipalities with similar population

Rocca Sinibalda

779 · Rieti, Lazio

Marano Equo

770 · Roma, Lazio

Latera

763 · Viterbo, Lazio

Riofreddo

754 · Roma, Lazio

Frasso Sabino

754 · Rieti, Lazio

Pisoniano

732 · Roma, Lazio

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