Oldest postal codes

The 20 postal code areas in Ylivieska with the highest average age, and the 20 with the lowest, out of 31 with a published figure.

	Area	Municipality	Postal code	Average age
1	Ylipää	Ylivieska	86230	53.0
2	Kilpua	Ylivieska	86350	52.0
3	Hillilä	Ylivieska	68150	51.0
4	Rahja	Ylivieska	85180	50.0
5	Himanka	Ylivieska	68100	49.0
6	Kähtävä	Ylivieska	85210	49.0
7	Matkaniva	Ylivieska	86510	48.0
8	Oulainen	Ylivieska	86300	47.0
9	Annonen	Ylivieska	86530	45.0
10	Kalajoki	Ylivieska	85100	45.0
11	Sievi	Ylivieska	85320	45.0
12	Typpö	Ylivieska	85150	45.0
13	Alavieska	Ylivieska	85200	44.0
14	Talus	Ylivieska	85230	44.0
15	Tynkä	Ylivieska	85140	44.0
16	Metsä	Ylivieska	85120	43.0
17	Pyhänkoski	Ylivieska	86240	43.0
18	Ylivieska	Ylivieska	84650	43.0
19	Sievi	Ylivieska	85410	42.0
20	Sievi	Ylivieska	85430	42.0

Youngest postal codes

	Area	Municipality	Postal code	Average age
1	Sievi	Ylivieska	85340	33.0
2	Sievi	Ylivieska	85450	37.0
3	Ylivieska	Ylivieska	84540	37.0
4	Merijärvi	Ylivieska	86220	40.0
5	Petäjäskoski	Ylivieska	86210	40.0
6	Rautio	Ylivieska	85160	41.0
7	Sievi	Ylivieska	85470	41.0
8	Ylivieska	Ylivieska	84460	41.0
9	Sievi	Ylivieska	85410	42.0
10	Sievi	Ylivieska	85430	42.0
11	Sievi As	Ylivieska	85310	42.0
12	Ylivieska	Ylivieska	84100	42.0
13	Ylivieska	Ylivieska	84880	42.0
14	Metsä	Ylivieska	85120	43.0
15	Pyhänkoski	Ylivieska	86240	43.0
16	Ylivieska	Ylivieska	84650	43.0
17	Alavieska	Ylivieska	85200	44.0
18	Talus	Ylivieska	85230	44.0
19	Tynkä	Ylivieska	85140	44.0
20	Annonen	Ylivieska	86530	45.0

Oldest 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.