944 cities and towns
| Abbreviation | ON |
| State Population | 14,826,276 |
| # | City | Population | Median Income | Home Value | Median Rent | Median Age |
|---|---|---|---|---|---|---|
| 401 | South-West Oxford | 7,583 | $98,000 | $600,000 | $1,040 | 39.6 |
| 402 | Blandford-Blenheim | 7,565 | $107,000 | $700,000 | $840 | 42.8 |
| 403 | Bluewater | 7,540 | $85,000 | $500,000 | $750 | 52.0 |
| 404 | Listowel | 7,530 | $82,573 | $461,770 | $1,012 | 41.8 |
| 405 | Camlachie | 7,506 | $82,573 | $461,770 | $1,012 | 41.8 |
| 406 | Edwardsburgh/Cardinal | 7,505 | $84,000 | $348,000 | $1,010 | 48.4 |
| 407 | Kenora, Unorganized | 7,475 | $86,000 | $300,000 | $670 | 54.8 |
| 408 | Alnwick/Haldimand | 7,473 | $102,000 | $700,000 | $1,000 | 49.6 |
| 409 | Fort Frances | 7,466 | $76,500 | $226,000 | $800 | 46.4 |
| 410 | Napanee | 7,439 | $82,573 | $461,770 | $1,012 | 41.8 |
| 411 | North Stormont | 7,400 | $91,000 | $348,000 | $950 | 39.6 |
| 412 | Dryden | 7,388 | $82,000 | $200,000 | $860 | 48.0 |
| 413 | St. Marys | 7,386 | $86,000 | $500,000 | $970 | 48.4 |
| 414 | Augusta | 7,386 | $96,000 | $348,000 | $1,030 | 49.2 |
| 415 | Lexington | 7,330 | $82,573 | $461,770 | $1,012 | 41.8 |
| 416 | East Hespeler | 7,321 | $82,573 | $461,770 | $1,012 | 41.8 |
| 417 | Heritage Park | 7,263 | $82,573 | $461,770 | $1,012 | 41.8 |
| 418 | Whitewater Region | 7,225 | $81,000 | $302,000 | $920 | 47.6 |
| 419 | Dysart et al | 7,182 | $78,000 | $600,000 | $900 | 59.2 |
| 420 | Stanley Park | 7,181 | $82,573 | $461,770 | $1,012 | 41.8 |
| 421 | Columbia Hills | 7,125 | $82,573 | $461,770 | $1,012 | 41.8 |
| 422 | Bayham | 7,096 | $83,000 | $472,000 | $750 | 34.4 |
| 423 | Otonabee-South Monaghan | 7,087 | $97,000 | $600,000 | $1,100 | 49.2 |
| 424 | Chatsworth | 7,080 | $81,000 | $500,000 | $750 | 46.0 |
| 425 | Beechwood West | 6,990 | $82,573 | $461,770 | $1,012 | 41.8 |
| 426 | Minden Hills | 6,971 | $74,500 | $500,000 | $840 | 58.8 |
| 427 | Arran-Elderslie | 6,913 | $80,000 | $400,000 | $970 | 42.0 |
| 428 | Wainfleet | 6,887 | $96,000 | $650,000 | $1,000 | 47.2 |
| 429 | Parry Sound | 6,879 | $57,600 | $400,000 | $700 | 61.2 |
| 430 | Eastbridge | 6,840 | $82,573 | $461,770 | $1,012 | 41.8 |
| 431 | Westvale | 6,730 | $82,573 | $461,770 | $1,012 | 41.8 |
| 432 | Country Hills West | 6,615 | $82,573 | $461,770 | $1,012 | 41.8 |
| 433 | Huron Park | 6,579 | $82,573 | $461,770 | $1,012 | 41.8 |
| 434 | Beechborough-Greenbrook | 6,577 | $82,573 | $461,770 | $1,012 | 41.8 |
| 435 | Cramahe | 6,509 | $86,000 | $500,000 | $1,010 | 49.2 |
| 436 | Perth | 6,469 | $63,200 | $400,000 | $970 | 58.4 |
| 437 | Trent Lakes | 6,439 | $85,000 | $700,000 | $910 | 58.0 |
| 438 | North Middlesex | 6,307 | $89,000 | $500,000 | $665 | 44.0 |
| 439 | Forest Hills | 6,238 | $82,573 | $461,770 | $1,012 | 41.8 |
| 440 | Thunder Bay, Unorganized | 6,221 | $82,000 | $280,000 | $548 | 51.6 |
| 441 | Clair Hills | 6,145 | $82,573 | $461,770 | $1,012 | 41.8 |
| 442 | Chippawa | 6,077 | $82,573 | $461,770 | $1,012 | 41.8 |
| 443 | Tweed | 6,067 | $69,000 | $376,000 | $930 | 53.6 |
| 444 | Algoma, Unorganized, North Part | 6,050 | $76,500 | $250,000 | $765 | 54.4 |
| 445 | Oliver Paipoonge | 6,035 | $108,000 | $388,000 | $820 | 46.0 |
| 446 | Petrolia | 6,013 | $86,000 | $376,000 | $850 | 42.8 |
| 447 | Tay Valley | 5,925 | $90,000 | $448,000 | $1,000 | 57.2 |
| 448 | Dunnville | 5,907 | $82,573 | $461,770 | $1,012 | 41.8 |
| 449 | Bridgeport | 5,902 | $82,573 | $461,770 | $1,012 | 41.8 |
| 450 | Southwest Middlesex | 5,893 | $80,000 | $400,000 | $710 | 44.8 |