Oldest postal codes

The 20 postal code areas in Turku with the highest average age, and the 20 with the lowest, out of 66 with a published figure.

	Area	Municipality	Postal code	Average age
1	Röölä	Turku	21150	56.0
2	Velkua	Turku	21195	54.0
3	Naantali	Turku	21100	52.0
4	Rymättylä	Turku	21140	51.0
5	Karuna	Turku	21590	50.0
6	Hietamäki	Turku	23140	49.0
7	Livonsaari	Turku	21180	49.0
8	Turku	Turku	20960	49.0
9	Mynämäki	Turku	23100	48.0
10	Tortinmäki	Turku	21340	48.0
11	Turku	Turku	20880	48.0
12	Askainen	Turku	21240	47.0
13	Mietoinen	Turku	23120	47.0
14	Poikko	Turku	21130	47.0
15	Raisio	Turku	21200	47.0
16	Sauvo	Turku	21570	47.0
17	Tarvasjoki	Turku	21450	47.0
18	Turku	Turku	20320	47.0
19	Turku	Turku	20720	47.0
20	Merimasku	Turku	21160	46.0

Youngest postal codes

	Area	Municipality	Postal code	Average age
1	Turku	Turku	20200	36.0
2	Turku	Turku	20400	36.0
3	Turku	Turku	20500	37.0
4	Turku	Turku	20520	37.0
5	Turku	Turku	20540	37.0
6	Turku	Turku	20250	38.0
7	Turku	Turku	20730	39.0
8	Turku	Turku	20900	39.0
9	Vanhalinna	Turku	21410	39.0
10	Ilmarinen	Turku	21350	40.0
11	Raisio	Turku	21120	40.0
12	Kuusisto	Turku	21620	41.0
13	Littoinen	Turku	20660	41.0
14	Piispanristi	Turku	20760	41.0
15	Turku	Turku	20240	41.0
16	Turku	Turku	20380	41.0
17	Turku	Turku	20610	41.0
18	Turku	Turku	20750	41.0
19	Hevonpää	Turku	21510	42.0
20	Masku	Turku	21250	42.0

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.