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  1. Home
  2. Lazio
  3. Latina
  4. Sezze

Sezze is a medium-sized municipality in the province of Latina, Lazio region. With a population of 23.766 inhabitants and a density of 237 per km², it covers an area of 100.5 km². The average declared income is 18.281 €.

LazioLatina

Sezze

ISTAT Code: 059028

41.4979°N, 13.0588°E

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23.8k
Inhabitants
237
Inhabitants/km²
18.281 €
Average Income
13.79 µg/m³
PM2.5
9,3%
Land Consumption
100.5 km²
Area

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Region page

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Open the full profile page for the province of Latina.

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Population Trend

Male/Female Ratio

23.766Totale
Men
Women

Demographic Statistics

Men12.114
Women11.652
Year2026

Demographic Indices

+0.29%
Annual change
change from the previous year
184.9
Ageing index
65+ / 0-14 × 100
51.7
Dependency ratio
(0-14 + 65+) / 15-64 × 100
149.6
Workforce replacement
60-64 / 15-19 × 100
132.4
Workforce structure
40-64 / 15-39 × 100
17.4
Child dependency
0-4 / women 15-49 × 100
45.16
Average age
weighted average age

Births (recent years)

Historical Population (1951-present)

Marital Status (2025)

47.382Totale
Single
Married
Divorced
Widowed

School-Age Population (2026)

Total 0-18 years: 3803

Foreign residents

Foreign presence and top citizenships

Main citizenships
Foreign residents
3831
Foreign-resident share: 16.17%
Main citizenships
Romania1998
India455
Albania284
Nigeria274
Marocco121

Municipalities in the same province

Aprilia

Latina, Lazio

Bassiano

Latina, Lazio

Campodimele

Latina, Lazio

Castelforte

Latina, Lazio

Cisterna di Latina

Latina, 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

Alatri

27.605 · Frosinone, Lazio

Sora

24.811 · Frosinone, Lazio

Frascati

22.805 · Roma, Lazio

Genzano di Roma

22.674 · Roma, Lazio

Mentana

22.605 · Roma, Lazio

Ceccano

22.207 · Frosinone, Lazio

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