| Town Name | Type | Region | Province / State | County | Municipality | Population | Latitude | Longitude | |
|---|---|---|---|---|---|---|---|---|---|
| Ickleford | village | 1848 | 51.971020 | -0.280095 | Map | ||||
| Ickleton | village | 650 | 52.070358 | 0.176042 | Map | ||||
| Ilford | town | 168168 | 51.558273 | 0.071167 | Map | ||||
| Impington | village | 3950 | 52.249310 | 0.113826 | Map | ||||
| Ingleby Barwick | town | 20000 | 54.519154 | -1.318080 | Map | ||||
| Innerleithen | town | 3110 | 55.619076 | -3.063384 | Map | ||||
| Insch | town | 2282 | 57.343395 | -2.612039 | Map | ||||
| Inveraray | town | 650 | 56.230370 | -5.076067 | Map | ||||
| Inverbervie | town | 2340 | 56.844524 | -2.280600 | Map | ||||
| Inverkeilor | village | 409 | 56.634525 | -2.547652 | Map | ||||
| Inverkeithing | town | 5265 | 56.030876 | -3.397750 | Map | ||||
| Inverness | city | 67230 | 57.479012 | -4.225739 | Map | ||||
| Inverurie | town | 12760 | 57.283401 | -2.374785 | Map | ||||
| Ipswich | town | 120000 | 52.057949 | 1.152634 | Map | ||||
| Irchester | village | 4807 | 52.281738 | -0.646766 | Map | ||||
| Irthlingborough | town | 6179 | 52.326313 | -0.616809 | Map | ||||
| Irvine | town | 33698 | 55.614304 | -4.665554 | Map |