944 cities and towns
| Abbreviation | ON |
| State Population | 14,826,276 |
| # | City | Population | Median Income | Home Value | Median Rent | Median Age |
|---|---|---|---|---|---|---|
| 451 | Ashfield-Colborne-Wawanosh | 5,884 | $78,000 | $428,000 | $750 | 51.2 |
| 452 | South Bruce | 5,880 | $88,000 | $448,000 | $830 | 41.2 |
| 453 | Sioux Lookout | 5,839 | $82,573 | $461,770 | $1,012 | 41.8 |
| 454 | Sioux Lookout | 5,839 | $102,000 | $300,000 | $1,120 | 38.0 |
| 455 | Lanark Highlands | 5,737 | $81,000 | $388,000 | $990 | 52.0 |
| 456 | Corunna | 5,686 | $82,573 | $461,770 | $1,012 | 41.8 |
| 457 | Lucan Biddulph | 5,680 | $105,000 | $564,000 | $880 | 37.6 |
| 458 | Rosemount | 5,610 | $82,573 | $461,770 | $1,012 | 41.8 |
| 459 | Lively | 5,608 | $82,573 | $461,770 | $1,012 | 41.8 |
| 460 | Idlewood | 5,560 | $82,573 | $461,770 | $1,012 | 41.8 |
| 461 | College Heights | 5,476 | $82,573 | $461,770 | $1,012 | 41.8 |
| 462 | Cochrane | 5,390 | $97,000 | $461,770 | $1,012 | 41.8 |
| 463 | Ayr | 5,383 | $82,573 | $461,770 | $1,012 | 41.8 |
| 464 | Gananoque | 5,383 | $67,000 | $360,000 | $1,000 | 53.2 |
| 465 | Lang's Farm | 5,347 | $82,573 | $461,770 | $1,012 | 41.8 |
| 466 | Delhi | 5,344 | $82,573 | $461,770 | $1,012 | 41.8 |
| 467 | Seguin | 5,280 | $84,000 | $552,000 | $1,080 | 54.8 |
| 468 | Southdale | 5,267 | $82,573 | $461,770 | $1,012 | 41.8 |
| 469 | Lakeshore North-Conservation | 5,190 | $82,573 | $461,770 | $1,012 | 41.8 |
| 470 | Espanola | 5,185 | $78,000 | $230,000 | $930 | 48.8 |
| 471 | Laurelwood | 5,150 | $82,573 | $461,770 | $1,012 | 41.8 |
| 472 | Tottenham | 5,143 | $82,573 | $461,770 | $1,012 | 41.8 |
| 473 | Havelock-Belmont-Methuen | 5,083 | $71,000 | $428,000 | $940 | 54.4 |
| 474 | West Elgin | 5,060 | $75,500 | $400,000 | $700 | 48.8 |
| 475 | Breslau | 5,053 | $82,573 | $461,770 | $1,012 | 41.8 |
| 476 | North Huron | 5,052 | $76,000 | $400,000 | $800 | 44.0 |
| 477 | Almonte | 5,039 | $82,573 | $461,770 | $1,012 | 41.8 |
| 478 | Mount Hope Huron Park | 5,030 | $82,573 | $461,770 | $1,012 | 41.8 |
| 479 | Stirling-Rawdon | 5,015 | $81,000 | $400,000 | $940 | 46.4 |
| 480 | East Ferris | 4,946 | $109,000 | $400,000 | $1,070 | 48.0 |
| 481 | Baden | 4,940 | $82,573 | $461,770 | $1,012 | 41.8 |
| 482 | Mount Albert | 4,925 | $82,573 | $461,770 | $1,012 | 41.8 |
| 483 | Central Frontenac | 4,892 | $70,000 | $348,000 | $760 | 55.6 |
| 484 | Southwold | 4,851 | $105,000 | $600,000 | $810 | 44.0 |
| 485 | Country Hills | 4,821 | $82,573 | $461,770 | $1,012 | 41.8 |
| 486 | Centre Hastings | 4,801 | $77,500 | $400,000 | $940 | 49.2 |
| 487 | Hearst | 4,794 | $76,500 | $220,000 | $705 | 48.0 |
| 488 | Grand River North | 4,765 | $82,573 | $461,770 | $1,012 | 41.8 |
| 489 | Southwood | 4,751 | $82,573 | $461,770 | $1,012 | 41.8 |
| 490 | Current River | 4,744 | $82,573 | $461,770 | $1,012 | 41.8 |
| 491 | Walkerton | 4,724 | $82,573 | $461,770 | $1,012 | 41.8 |
| 492 | Picton | 4,702 | $82,573 | $461,770 | $1,012 | 41.8 |
| 493 | Azilda | 4,663 | $82,573 | $461,770 | $1,012 | 41.8 |
| 494 | Mississauga Beach | 4,662 | $82,573 | $461,770 | $1,012 | 41.8 |
| 495 | Asphodel-Norwood | 4,658 | $80,000 | $500,000 | $1,100 | 46.0 |
| 496 | Rockwood | 4,629 | $82,573 | $461,770 | $1,012 | 41.8 |
| 497 | Galt | 4,561 | $82,573 | $461,770 | $1,012 | 41.8 |
| 498 | Tyendinaga | 4,538 | $98,000 | $400,000 | $890 | 42.4 |
| 499 | Iroquois Falls | 4,418 | $75,000 | $150,000 | $725 | 48.0 |
| 500 | Northern Bruce Peninsula | 4,404 | $69,500 | $500,000 | $1,050 | 61.6 |