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  3. Zagarolo
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  5. Population

Roma · Lazio

Population of Zagarolo

Data updated to year 2026

Population

18.963

inhabitants

Annual change

+87

people

Density

676

inh./km²

Area

28

km²

Natural and migratory movement (2024)

Live births

122

Deaths

133

Natural balance

-11

Migration balance

+165

Historical population trend

YearTotalMalesFemalesBirthsDeathsNat. bal.Migr. bal.
201917.71389278786128140-12+147
202017.91289868926131132-1+187
202118.01090328978125178-53+177
202218.3449272
← Back to Zagarolo
9072
155
166
-11
+106
202318.44993179132136172-36+151
202418.64594439202122133-11+165
202518.87695849292N/DN/DN/DN/D
202618.96396389325N/DN/DN/DN/D

Note: population data and demographic movements (births, deaths, balances) come from separate ISTAT sources. Annual totals may not exactly match the sum of balances.