Most populated postal codes

The 20 postal code areas in Ylivieska with the most residents, and the 20 with the fewest, out of 31 with a published figure.

	Area	Municipality	Postal code	Residents
1	Ylivieska	Ylivieska	84100	13,623
2	Kalajoki	Ylivieska	85100	7,116
3	Oulainen	Ylivieska	86300	6,174
4	Himanka	Ylivieska	68100	2,314
5	Alavieska	Ylivieska	85200	1,929
6	Sievi	Ylivieska	85410	1,849
7	Merijärvi	Ylivieska	86220	770
8	Tynkä	Ylivieska	85140	724
9	Sievi	Ylivieska	85340	699
10	Rautio	Ylivieska	85160	601
11	Ylivieska	Ylivieska	84880	595
12	Ylivieska	Ylivieska	84540	587
13	Sievi	Ylivieska	85430	508
14	Sievi As	Ylivieska	85310	482
15	Sievi	Ylivieska	85470	467
16	Rahja	Ylivieska	85180	388
17	Typpö	Ylivieska	85150	281
18	Hillilä	Ylivieska	68150	279
19	Sievi	Ylivieska	85320	277
20	Matkaniva	Ylivieska	86510	257

Least populated postal codes

	Area	Municipality	Postal code	Residents
1	Kilpua	Ylivieska	86350	104
2	Ylipää	Ylivieska	86230	115
3	Petäjäskoski	Ylivieska	86210	162
4	Annonen	Ylivieska	86530	164
5	Ylivieska	Ylivieska	84460	201
6	Pyhänkoski	Ylivieska	86240	208
7	Kähtävä	Ylivieska	85210	212
8	Metsä	Ylivieska	85120	213
9	Ylivieska	Ylivieska	84650	227
10	Talus	Ylivieska	85230	236
11	Sievi	Ylivieska	85450	239
12	Matkaniva	Ylivieska	86510	257
13	Sievi	Ylivieska	85320	277
14	Hillilä	Ylivieska	68150	279
15	Typpö	Ylivieska	85150	281
16	Rahja	Ylivieska	85180	388
17	Sievi	Ylivieska	85470	467
18	Sievi As	Ylivieska	85310	482
19	Sievi	Ylivieska	85430	508
20	Ylivieska	Ylivieska	84540	587

Most populated postal codes — All of Finland

Places with fewer than 100 residents are excluded: a figure drawn from a handful of people carries more uncertainty than the differences being ranked.