Surname of the person: HIERRO. By areas

Surname of the person: HIERRO By areas of the general territorial Plan of Catalonia. 2024
		As first surname		As second surname
	Position	frequency	‰	frequency	‰
Metropolità	1,630	317	0.06	375	0.07
Comarques Gironines	2,772	30	0.04	37	0.05
Camp de Tarragona	1,266	76	0.14	37	0.07
Terres de l'Ebre	190	159	0.85	133	0.71
Ponent	3,351	18	0.05	9	0.02
Comarques Centrals	4,544	11	0.03	9	0.02
Alt Pirineu i Aran	3,381	..	..	4	0.05
Penedès	2,029	35	0.07	25	0.05
Total	1,476	648	0.08	629	0.08
Source: Idescat, based on the INE Annual Population Census.

Disaggregation criteria