Viterbo

Province in Lazio

Province

The population development of Viterbo.

Name	Status	Population Census 1981-10-25	Population Census 1991-10-20	Population Census 2001-10-21	Population Census 2011-10-09	Population Census 2021-12-31	Population Estimate 2026-01-01
Viterbo	Province	268,448	278,521	288,783	312,864	308,737	307,812	→
Lazio [Latium]	Region	5,001,684	5,140,371	5,112,413	5,502,886	5,714,882	5,709,444

Contents: Communes

The population development of the communes in Viterbo.

The Details icon links to further information about a selected place including its population structure (gender, age groups, age distribution, citizenship).

Name	Status	Province	Population Census 1981-10-25	Population Census 1991-10-20	Population Census 2001-10-21	Population Census 2011-10-09	Population Census 2021-12-31	Population Estimate 2026-01-01
Acquapendente	Commune	Viterbo	5,849	5,886	5,788	5,655	5,304	5,222	→
Arlena di Castro	Commune	Viterbo	869	920	867	886	827	791	→
Bagnoregio	Commune	Viterbo	3,897	3,857	3,639	3,674	3,482	3,258	→
Barbarano Romano	Commune	Viterbo	825	897	950	1,085	990	980	→
Bassano in Teverina	Commune	Viterbo	1,022	1,125	1,134	1,277	1,251	1,272	→
Bassano Romano	Commune	Viterbo	3,579	3,786	4,277	4,834	4,627	4,680	→
Blera	Commune	Viterbo	3,084	3,193	3,208	3,356	3,003	2,895	→
Bolsena	Commune	Viterbo	3,985	4,064	4,111	4,137	3,739	3,649	→
Bomarzo	Commune	Viterbo	1,459	1,463	1,615	1,814	1,692	1,695	→
Calcata	Commune	Viterbo	690	886	846	905	915	905	→
Canepina	Commune	Viterbo	3,073	3,098	3,095	3,149	2,913	2,900	→
Canino	Commune	Viterbo	5,109	5,251	5,072	5,270	5,089	5,029	→
Capodimonte	Commune	Viterbo	1,647	1,693	1,686	1,741	1,655	1,647	→
Capranica	Commune	Viterbo	4,208	4,776	5,604	6,644	6,377	6,351	→
Caprarola	Commune	Viterbo	4,780	4,913	5,197	5,345	5,218	5,160	→
Carbognano	Commune	Viterbo	1,910	2,012	1,918	2,042	1,934	1,951	→
Castel Sant'Elia	Commune	Viterbo	1,738	1,935	2,151	2,558	2,471	2,411	→
Castiglione in Teverina	Commune	Viterbo	2,341	2,321	2,261	2,385	2,281	2,289	→
Celleno	Commune	Viterbo	1,147	1,271	1,339	1,343	1,322	1,315	→
Cellere	Commune	Viterbo	1,651	1,437	1,301	1,230	1,075	1,087	→
Civita Castellana	Commune	Viterbo	15,606	15,454	15,219	15,596	15,416	15,011	→
Civitella d'Agliano	Commune	Viterbo	1,769	1,765	1,734	1,658	1,493	1,444	→
Corchiano	Commune	Viterbo	2,679	3,067	3,337	3,740	3,594	3,531	→
Fabrica di Roma	Commune	Viterbo	4,084	5,231	6,654	8,136	8,133	8,167	→
Faleria	Commune	Viterbo	1,464	1,428	1,728	2,115	1,997	2,024	→
Farnese	Commune	Viterbo	1,985	1,832	1,729	1,631	1,382	1,337	→
Gallese	Commune	Viterbo	2,786	2,807	2,757	2,994	2,623	2,551	→
Gradoli	Commune	Viterbo	1,707	1,548	1,496	1,474	1,280	1,220	→
Graffignano	Commune	Viterbo	2,366	2,330	2,288	2,319	2,120	2,058	→
Grotte di Castro	Commune	Viterbo	3,429	3,187	2,967	2,795	2,442	2,374	→
Ischia di Castro	Commune	Viterbo	2,669	2,609	2,464	2,377	2,188	2,107	→
Latera	Commune	Viterbo	1,236	1,150	1,023	933	777	772	→
Lubriano	Commune	Viterbo	947	958	918	919	888	841	→
Marta	Commune	Viterbo	3,361	3,372	3,436	3,520	3,271	3,211	→
Montalto di Castro	Commune	Viterbo	6,604	7,063	7,653	8,770	8,795	8,679	→
Montefiascone	Commune	Viterbo	12,508	12,656	12,653	13,388	13,020	12,979	→
Monte Romano	Commune	Viterbo	1,957	1,950	1,939	2,007	1,915	1,847	→
Monterosi	Commune	Viterbo	1,324	1,751	2,381	3,868	4,775	4,789	→
Nepi	Commune	Viterbo	5,335	6,346	7,827	9,353	9,318	9,550	→
Onano	Commune	Viterbo	1,505	1,278	1,169	1,017	912	865	→
Oriolo Romano	Commune	Viterbo	2,085	2,338	2,920	3,648	3,728	3,673	→
Orte	Commune	Viterbo	7,923	7,820	7,781	8,665	9,055	9,243	→
Piansano	Commune	Viterbo	2,337	2,306	2,220	2,147	1,886	2,039	→
Proceno	Commune	Viterbo	847	651	632	605	528	521	→
Ronciglione	Commune	Viterbo	6,924	7,227	7,470	8,308	8,417	8,439	→
San Lorenzo Nuovo	Commune	Viterbo	2,039	2,059	2,067	2,166	1,994	2,029	→
Soriano nel Cimino	Commune	Viterbo	7,482	7,767	8,185	8,544	8,021	7,888	→
Sutri	Commune	Viterbo	3,427	4,334	5,055	6,552	6,597	6,764	→
Tarquinia	Commune	Viterbo	13,176	14,020	15,162	16,016	16,075	15,862	→
Tessennano	Commune	Viterbo	470	472	420	350	288	283	→
Tuscania	Commune	Viterbo	7,241	7,721	7,717	8,145	8,242	8,088	→
Valentano	Commune	Viterbo	2,880	2,923	2,935	2,895	2,762	2,854	→
Vallerano	Commune	Viterbo	2,310	2,446	2,505	2,613	2,442	2,349	→
Vasanello	Commune	Viterbo	3,242	3,555	3,890	4,161	3,979	3,959	→
Vejano	Commune	Viterbo	1,623	1,938	2,085	2,298	2,154	2,147	→
Vetralla	Commune	Viterbo	10,538	11,573	11,917	13,507	13,384	13,370	→
Vignanello	Commune	Viterbo	4,880	4,724	4,705	4,826	4,299	4,260	→
Villa San Giovanni in Tuscia	Commune	Viterbo	1,144	1,147	1,164	1,313	1,202	1,212	→
Viterbo	Commune	Viterbo	57,632	58,380	59,308	63,209	65,931	66,767	→
Vitorchiano	Commune	Viterbo	2,064	2,554	3,214	4,956	5,249	5,221	→

Source: Istituto Nazionale di Statistica Italia.

Explanation: The 2026 figures are preliminary.

Further information about the population structure:

Gender (E 2026)
Males	152,230
Females	155,582

Age Groups (E 2026)
0-17 years	40,869
18-64 years	184,732
65+ years	82,211

Age Distribution (E 2026)
90+ years	4,382
80-89 years	19,858
70-79 years	36,504
60-69 years	46,177
50-59 years	50,637
40-49 years	41,394
30-39 years	32,897
20-29 years	29,297
10-19 years	27,274
0-9 years	19,392

Citizenship (E 2026)
Italy	273,495
Foreign Citizenship	34,317