Most populated postal codes

The 20 postal code areas in Kouvola with the most residents, and the 20 with the fewest, out of 50 with a published figure.

	Area	Municipality	Postal code	Residents
1	Kouvola	Kouvola	45100	8,995
2	Kuusankoski	Kouvola	45700	8,351
3	Kouvola	Kouvola	45200	5,785
4	Kouvola	Kouvola	45160	5,109
5	Kouvola	Kouvola	45150	4,705
6	Koria	Kouvola	45610	4,565
7	Kausala	Kouvola	47400	4,277
8	Myllykoski	Kouvola	46800	4,259
9	Kouvola	Kouvola	45120	3,729
10	Valkeala	Kouvola	45360	3,563
11	Inkeroinen	Kouvola	46900	3,186
12	Kuusankoski	Kouvola	45740	2,574
13	Valkeala	Kouvola	45370	2,498
14	Kuusankoski	Kouvola	45720	2,475
15	Voikkaa	Kouvola	45910	2,414
16	Elimäki	Kouvola	47200	2,083
17	Kouvola	Kouvola	45130	1,675
18	Anjala	Kouvola	46910	1,674
19	Pilkanmaa	Kouvola	45810	1,334
20	Ummeljoki	Kouvola	46810	1,282

Least populated postal codes

	Area	Municipality	Postal code	Residents
1	Ratula	Kouvola	47260	108
2	Ruotila	Kouvola	46730	116
3	Sääskjärvi	Kouvola	47440	119
4	Kymentaka	Kouvola	47610	122
5	Raussila	Kouvola	47150	122
6	Vekaranjärvi	Kouvola	46140	127
7	Verla	Kouvola	47850	132
8	Enäjärvi	Kouvola	46450	141
9	Lyöttilä	Kouvola	47540	165
10	Kimola	Kouvola	47650	173
11	Savero	Kouvola	45460	179
12	Iitti	Kouvola	47520	181
13	Vuohijärvi	Kouvola	47900	205
14	Haapa-Kimola	Kouvola	47310	246
15	Liikkala	Kouvola	46750	247
16	Selänpää	Kouvola	47810	247
17	Oravala	Kouvola	45940	248
18	Perheniemi	Kouvola	47450	249
19	Tirva	Kouvola	46430	251
20	Harju	Kouvola	45330	269

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.