Most populated postal codes

The 20 postal code areas in Turku with the most residents, and the 20 with the fewest, out of 66 with a published figure.

	Area	Municipality	Postal code	Residents
1	Turku	Turku	20100	31,156
2	Turku	Turku	20540	21,501
3	Turku	Turku	20320	17,002
4	Turku	Turku	20810	16,855
5	Turku	Turku	20610	13,848
6	Kaarina	Turku	20780	13,744
7	Raisio	Turku	21200	13,349
8	Turku	Turku	20360	11,519
9	Turku	Turku	20900	10,767
10	Littoinen	Turku	20660	9,491
11	Turku	Turku	20740	9,273
12	Paimio	Turku	21530	8,969
13	Lieto	Turku	21420	8,527
14	Naantali	Turku	21110	8,014
15	Turku	Turku	20300	7,737
16	Naantali	Turku	21100	7,590
17	Piikkiö	Turku	21500	7,235
18	Masku	Turku	21250	6,742
19	Turku	Turku	20500	6,558
20	Turku	Turku	20720	6,246

Least populated postal codes

	Area	Municipality	Postal code	Residents
1	Velkua	Turku	21195	235
2	Livonsaari	Turku	21180	245
3	Taatila	Turku	21555	302
4	Röölä	Turku	21150	307
5	Karuna	Turku	21590	403
6	Hevonpää	Turku	21510	491
7	Tortinmäki	Turku	21340	499
8	Poikko	Turku	21130	535
9	Hietamäki	Turku	23140	604
10	Yliskulma	Turku	21430	736
11	Askainen	Turku	21240	802
12	Mietoinen	Turku	23120	830
13	Rymättylä	Turku	21140	1,252
14	Turku	Turku	20250	1,277
15	Raisio	Turku	21220	1,307
16	Preitilä	Turku	21540	1,343
17	Turku	Turku	20730	1,387
18	Turku	Turku	20960	1,409
19	Merimasku	Turku	21160	1,654
20	Tarvasjoki	Turku	21450	1,682

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.