Oldest postal codes

The 20 postal code areas in Kouvola with the highest average age, and the 20 with the lowest, out of 50 with a published figure.

	Area	Municipality	Postal code	Average age
1	Vuohijärvi	Kouvola	47900	62.0
2	Kymentaka	Kouvola	47610	61.0
3	Verla	Kouvola	47850	56.0
4	Oravala	Kouvola	45940	55.0
5	Ruotila	Kouvola	46730	55.0
6	Enäjärvi	Kouvola	46450	53.0
7	Jaala	Kouvola	47710	53.0
8	Mankala	Kouvola	47490	53.0
9	Selänpää	Kouvola	47810	53.0
10	Tuohikotti	Kouvola	46110	53.0
11	Elimäki	Kouvola	47200	52.0
12	Inkeroinen	Kouvola	46900	52.0
13	Kaipiainen	Kouvola	46400	52.0
14	Kuusankoski	Kouvola	45700	52.0
15	Vekaranjärvi	Kouvola	46140	52.0
16	Kouvola	Kouvola	45100	51.0
17	Muhniemi	Kouvola	46960	51.0
18	Sippola	Kouvola	46710	51.0
19	Harju	Kouvola	45330	50.0
20	Kausala	Kouvola	47400	50.0

Youngest postal codes

	Area	Municipality	Postal code	Average age
1	Valkeala	Kouvola	45360	44.0
2	Kouvola	Kouvola	45120	45.0
3	Kouvola	Kouvola	45130	45.0
4	Sääskjärvi	Kouvola	47440	45.0
5	Huutotöyry	Kouvola	19160	46.0
6	Iitti	Kouvola	47520	46.0
7	Koria	Kouvola	45610	46.0
8	Kouvola	Kouvola	45160	46.0
9	Kuusankoski	Kouvola	45720	46.0
10	Kouvola	Kouvola	45150	47.0
11	Kouvola	Kouvola	45200	47.0
12	Pilkanmaa	Kouvola	45810	47.0
13	Savero	Kouvola	45460	47.0
14	Haapa-Kimola	Kouvola	47310	48.0
15	Lyöttilä	Kouvola	47540	48.0
16	Perheniemi	Kouvola	47450	48.0
17	Valkeala	Kouvola	45370	48.0
18	Valkeala	Kouvola	46230	48.0
19	Voikkaa	Kouvola	45910	48.0
20	Anjala	Kouvola	46910	49.0

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.