Oldest postal codes

The 20 postal code areas in Joensuu with the highest average age, and the 20 with the lowest, out of 73 with a published figure.

	Area	Municipality	Postal code	Average age
1	Martonvaara	Joensuu	83855	60.0
2	Haapalahti	Joensuu	81295	59.0
3	Kovero	Joensuu	82710	59.0
4	Marjovaara	Joensuu	82815	59.0
5	Tuupovaara	Joensuu	82730	58.0
6	Ilomantsi	Joensuu	82900	57.0
7	Kinahmo	Joensuu	83825	57.0
8	Polvela	Joensuu	83870	57.0
9	Uimaharju	Joensuu	81280	57.0
10	Ruvaslahti	Joensuu	83835	56.0
11	Sonkaja	Joensuu	82915	56.0
12	Juuka	Joensuu	83900	55.0
13	Kajoo	Joensuu	83880	55.0
14	Kiihtelysvaara	Joensuu	82140	55.0
15	Maukkula	Joensuu	82820	55.0
16	Nunnanlahti	Joensuu	83940	54.0
17	Ukkola	Joensuu	81290	54.0
18	Ahmovaara	Joensuu	83950	53.0
19	Eno	Joensuu	81200	53.0
20	Keskijärvi	Joensuu	82120	53.0

Youngest postal codes

	Area	Municipality	Postal code	Average age
1	Kontiolahti As	Joensuu	80770	37.0
2	Kontioranta	Joensuu	80790	37.0
3	Louhioja	Joensuu	81210	37.0
4	Niittylahti	Joensuu	82220	37.0
5	Joensuu	Joensuu	80130	38.0
6	Joensuu	Joensuu	80220	38.0
7	Joensuu	Joensuu	80230	38.0
8	Lehmo	Joensuu	80710	38.0
9	Jakokoski	Joensuu	81220	40.0
10	Joensuu	Joensuu	80140	40.0
11	Kontioniemi	Joensuu	80780	40.0
12	Paihola	Joensuu	80850	40.0
13	Ylämylly	Joensuu	80400	40.0
14	Kulho	Joensuu	80910	41.0
15	Onttola	Joensuu	80510	41.0
16	Sotkuma	Joensuu	83750	41.0
17	Joensuu	Joensuu	80170	42.0
18	Joensuu	Joensuu	80260	42.0
19	Lehtoi	Joensuu	81235	42.0
20	Heinävaara	Joensuu	82110	43.0

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.