Below is a list of cities using Opeka and in which month there is most answers from that municipality each year.
| Municipality | Answer time | Respondents |
|---|---|---|
| 2013 | ||
| Kinnula | 12/2013 | 12 pcs |
| Pihtipudas | 12/2013 | 17 pcs |
| Viitasaari | 12/2013 | 19 pcs |
| Kannonkoski | 12/2013 | 17 pcs |
| Espoo | 12/2013 | 81 pcs |
| Rovaniemi | 11/2013 | 97 pcs |
| Sodankylä | 11/2013 | 13 pcs |
| Kirkkonummi | 11/2013 | 56 pcs |
| Alavus | 11/2013 | 7 pcs |
| Hyvinkää | 11/2013 | 119 pcs |
| Kiuruvesi | 11/2013 | 8 pcs |
| Nurmijärvi | 10/2013 | 249 pcs |
| Lappajärvi | 10/2013 | 24 pcs |
| Lieksa | 10/2013 | 13 pcs |
| Kangasala | 10/2013 | 20 pcs |
| Vantaa | 10/2013 | 1215 pcs |
| Tampere | 10/2013 | 617 pcs |
| Kokkola | 10/2013 | 22 pcs |
| Oulu | 10/2013 | 49 pcs |
| Vihti | 10/2013 | 17 pcs |
| Eurajoki | 09/2013 | 37 pcs |
| Kuopio | 09/2013 | 29 pcs |
| Nivala | 09/2013 | 23 pcs |
| Varkaus | 09/2013 | 10 pcs |
| Evijärvi | 09/2013 | 15 pcs |
| Sievi | 09/2013 | 16 pcs |
| Kärsämäki | 09/2013 | 35 pcs |
| Reisjärvi | 09/2013 | 16 pcs |
| Kalajoki | 09/2013 | 17 pcs |
| Oulainen | 09/2013 | 53 pcs |
| Haapajärvi | 09/2013 | 71 pcs |
| Pyhäjärvi | 09/2013 | 34 pcs |
| Ulvila | 09/2013 | 98 pcs |
| Tuusula | 09/2013 | 153 pcs |
| Ylivieska | 09/2013 | 13 pcs |
| Merijärvi | 09/2013 | 10 pcs |
| Kauniainen | 09/2013 | 19 pcs |
| Helsinki | 09/2013 | 89 pcs |
| Salo | 08/2013 | 33 pcs |
| Kerava | 08/2013 | 212 pcs |
| Vaasa | 07/2013 | 6 pcs |
| Ikaalinen | 07/2013 | 14 pcs |
| Pori | 05/2013 | 245 pcs |
| Hämeenkyrö | 05/2013 | 14 pcs |
| Nakkila | 05/2013 | 20 pcs |
| Rauma | 05/2013 | 66 pcs |
| Säkylä | 05/2013 | 15 pcs |
| Pomarkku | 05/2013 | 25 pcs |
| Kokemäki | 05/2013 | 67 pcs |
| Luvia | 05/2013 | 10 pcs |
| Merikarvia | 05/2013 | 12 pcs |
| Hämeenlinna | 05/2013 | 259 pcs |
| Harjavalta | 05/2013 | 8 pcs |
| Mänttä-Vilppula | 05/2013 | 60 pcs |
| Lohja | 05/2013 | 335 pcs |
| Sastamala | 05/2013 | 37 pcs |
| Järvenpää | 04/2013 | 261 pcs |
| Loppi | 04/2013 | 52 pcs |
| Nokia | 04/2013 | 120 pcs |
| Turku | 04/2013 | 6 pcs |
| Lieto | 04/2013 | 101 pcs |
| Huittinen | 04/2013 | 69 pcs |
| Alajärvi | 04/2013 | 10 pcs |
| Lapua | 03/2013 | 61 pcs |
| Riihimäki | 03/2013 | 189 pcs |
| Savonlinna | 03/2013 | 40 pcs |
| Parkano | 03/2013 | 38 pcs |
| Hausjärvi | 03/2013 | 18 pcs |
| Pirkkala | 03/2013 | 16 pcs |
| Pälkäne | 02/2013 | 11 pcs |
| Kajaani | 01/2013 | 16 pcs |
| Luumäki | 01/2013 | 33 pcs |
| Ylöjärvi | 01/2013 | 14 pcs |
| Kuortane | 01/2013 | 9 pcs |
| 2012 | ||
| Kuortane | 12/2012 | 34 pcs |
| Joroinen | 12/2012 | 46 pcs |
| Rovaniemi | 11/2012 | 63 pcs |
| Lohja | 11/2012 | 24 pcs |
| Kärsämäki | 11/2012 | 30 pcs |
| Pieksämäki | 11/2012 | 93 pcs |
| Sastamala | 11/2012 | 70 pcs |
| Kouvola | 11/2012 | 88 pcs |
| Juupajoki | 10/2012 | 18 pcs |
| Vihti | 10/2012 | 221 pcs |
| Mänttä-Vilppula | 10/2012 | 51 pcs |
| Rauma | 10/2012 | 7 pcs |
| Hämeenlinna | 10/2012 | 60 pcs |
| Lempäälä | 10/2012 | 76 pcs |
| Tampere | 10/2012 | 644 pcs |
| Orivesi | 10/2012 | 60 pcs |
| Kangasala | 10/2012 | 238 pcs |
| Ylöjärvi | 10/2012 | 204 pcs |
| Virrat | 10/2012 | 17 pcs |
| Pirkkala | 09/2012 | 79 pcs |
| Vesilahti | 09/2012 | 49 pcs |
| Nokia | 05/2012 | 164 pcs |