|
| [[Hämeenlinnan keskustaajama]] || align="right" | {{Nts|50647}} || align="right" | {{Nts|48.68}} || align="right" | {{Nts|1040.4}} || [[Hämeenlinna]] 50 248<br>[[Janakkala]] 399
|-
| [[Ihode]] || align="right" | {{Nts|635615}} || align="right" | {{Nts|4.0011}} || align="right" | {{Nts|158149.86}} || [[Pyhäranta]] 622604<br>[[Laitila]] 1311
|-
| [[Iin Hamina]] || align="right" | {{Nts|65506506}} || align="right" | {{Nts|20.6288}} || align="right" | {{Nts|317311.76}} || [[Ii]]
|-
| [[Iisalmen keskustaajama]] || align="right" | {{Nts|1529315199}} || align="right" | {{Nts|18.3132}} || align="right" | {{Nts|835829.26}} || [[Iisalmi]]
|-
| [[Iitin kirkonkylä]] || align="right" | {{Nts|231235}} || align="right" | {{Nts|1.73}} || align="right" | {{Nts|133135.8}} || [[Iitti]]
|-
| [[Iitiä]] || align="right" | {{Nts|284286}} || align="right" | {{Nts|1.81}} || align="right" | {{Nts|157158.20}} || [[Lemi]] 259256<br>[[Lappeenranta]] 2530
|-
| [[Iittala]] || align="right" | {{Nts|23452348}} || align="right" | {{Nts|6.6463}} || align="right" | {{Nts|353354.21}} || [[Hämeenlinna]]
|-
| [[Ikaalisten keskustaajama]] || align="right" | {{Nts|39363822}} || align="right" | {{Nts|6.5039}} || align="right" | {{Nts|605598.81}} || [[Ikaalinen]]
|-
| [[Ikkala]] || align="right" | {{Nts|291280}} || align="right" | {{Nts|2.05}} || align="right" | {{Nts|141136.76}} || [[Lohja]]
|-
| [[Ilmajoki-Kurikka]] || align="right" | {{Nts|1348913428}} || align="right" | {{Nts|56.6699}} || align="right" | {{Nts|238235.16}} || [[Kurikka]] 6 765700<br>[[Ilmajoki]] 6 724728
|-
| [[Ilola (Porvoo)]] || align="right" | {{Nts|348356}} || align="right" | {{Nts|2.7977}} || align="right" | {{Nts|124128.95}} || [[Porvoo]]
|-
| [[Ilomantsin kirkonkylä]] || align="right" | {{Nts|27582653}} || align="right" | {{Nts|7.3837}} || align="right" | {{Nts|373360.60}} || [[Ilomantsi]]
|-
| [[Imatran keskustaajama]] || align="right" | {{Nts|2818427837}} || align="right" | {{Nts|56.5324}} || align="right" | {{Nts|498495.60}} || [[Imatra]] 26 370067<br>[[Lappeenranta]] 1 494465<br>[[Ruokolahti]] 320305
|-
| [[Inarin kirkonkylä]] || align="right" | {{Nts|617608}} || align="right" | {{Nts|2.6579}} || align="right" | {{Nts|233217.19}} || [[Inari]]
|-
| [[Inkere (Pertteli)]] || align="right" | {{Nts|678667}} || align="right" | {{Nts|2.3736}} || align="right" | {{Nts|286282.06}} || [[Salo]]
|-
| [[Inkeroinen (Kouvola)]] || align="right" | {{Nts|48924788}} || align="right" | {{Nts|13.4948}} || align="right" | {{Nts|362355.52}} || [[Kouvola]]
|-
| [[Inkoon kirkonkylä]] || align="right" | {{Nts|21842190}} || align="right" | {{Nts|7.76}} || align="right" | {{Nts|281282.42}} || [[Inkoo]]
|-
| [[Irjanne]] || align="right" | {{Nts|296286}} || align="right" | {{Nts|2.45}} || align="right" | {{Nts|120116.97}} || [[Eurajoki]]
|-
| [[Isnäs]] || align="right" | {{Nts|269280}} || align="right" | {{Nts|1.3637}} || align="right" | {{Nts|197204.84}} || [[Loviisa]]
|-
| [[Isojoen kirkonkylä]] || align="right" | {{Nts|792787}} || align="right" | {{Nts|34.8805}} || align="right" | {{Nts|204194.43}} || [[Isojoki]]
|-
| [[Isokoski]] || align="right" | {{Nts|367357}} || align="right" | {{Nts|2.9497}} || align="right" | {{Nts|124120.92}} || [[Ylivieska]]
|-
| [[Isokylä-Kallaanvaara]] || align="right" | {{Nts|10141025}} || align="right" | {{Nts|4.28}} || align="right" | {{Nts|237239.15}} || [[Kemijärvi]]
|-
| [[Isokylä (Naantali)]] || align="right" | {{Nts|228224}} || align="right" | {{Nts|1.6766}} || align="right" | {{Nts|136134.49}} || [[Naantali]]
|-
| [[Isonkyrön kirkonkylä]] || align="right" | {{Nts|24072395}} || align="right" | {{Nts|1112.8518}} || align="right" | {{Nts|203196.16}} || [[Isokyrö]]
|-
| [[Iso-Vimma]] || align="right" | {{Nts|509508}} || align="right" | {{Nts|3.47}} || align="right" | {{Nts|146.64}} || [[Säkylä]]
|-
| [[Ivalo]] || align="right" | {{Nts|30073034}} || align="right" | {{Nts|7.4064}} || align="right" | {{Nts|406397.21}} || [[Inari]]
|-
| [[Jaalan kirkonkylä]] || align="right" | {{Nts|610}} || align="right" | {{Nts|2.13}} || align="right" | {{Nts|287.1}} || [[Kouvola]]
| 