Surname of the person: OLLERO. By counties

Surname of the person: OLLERO By counties. 2024
		As first surname		As second surname
	Position	frequency	‰	frequency	‰
Alt Empordà	1,482	15	0.10	11	0.07
Baix Camp	3,216	7	0.03	7	0.03
Baix Llobregat	1,853	48	0.06	54	0.06
Baix Penedès	4,799	..	..	4	0.03
Barcelonès	3,623	62	0.03	69	0.03
Gironès	3,649	8	0.04	5	0.02
Maresme	1,872	33	0.07	28	0.06
Segrià	6,222	6	0.03	..	..
Selva	3,107	5	0.03	8	0.04
Tarragonès	4,589	9	0.03	..	..
Vallès Occidental	4,420	12	0.01	30	0.03
Vallès Oriental	4,604	13	0.03	6	0.01
Total	3,608	228	0.03	238	0.03
Source: Idescat, based on the INE Annual Population Census.
Note: Only shows counties with 4 or more people with the selected surname.

Disaggregation criteria