Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)
City | Rank | 2024 Pop. | 2020 Pop. | Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Gallup | 1 | 19,999 | 21,805 | -2.21% | 991 | 20.2 | City |
| Crownpoint | 2 | 2,914 | 3,018 | 1.6% | 43 | 67.5 | CDP |
| Thoreau | 3 | 2,444 | 2,068 | 1.75% | 62 | 39.5 | CDP |
| Navajo | 4 | 2,142 | 1,818 | 1.71% | 951 | 2.3 | CDP |
| Gamerco | 5 | 1,737 | 1,646 | 7.69% | 1,815 | 1.0 | CDP |
| Church Rock | 6 | 1,440 | 1,354 | 1.62% | 79 | 18.3 | CDP |
| Iyanbito | 7 | 1,306 | 964 | 7.76% | 137 | 9.5 | CDP |
| Rock Springs | 8 | 1,071 | 1,166 | 3.48% | 85 | 12.6 | CDP |
| Twin Lakes | 9 | 944 | 1,119 | -0.74% | 105 | 9.0 | CDP |
| Pinedale | 10 | 881 | 569 | 7.7% | 85 | 10.3 | CDP |
| Prewitt | 11 | 804 | 759 | 7.78% | 58 | 13.8 | CDP |
| Williams Acres | 12 | 796 | 711 | 7.71% | 986 | 0.8 | CDP |
| Yah-ta-hey | 13 | 729 | 627 | 1.39% | 212 | 3.4 | CDP |
| White Cliffs | 14 | 712 | 489 | 7.72% | 1,660 | 0.4 | CDP |
| Tohatchi | 15 | 663 | 855 | -1.63% | 103 | 6.5 | CDP |
| Brimhall Nizhoni | 16 | 649 | 353 | 5.19% | 40 | 16.3 | CDP |
| Sundance | 17 | 614 | 553 | 7.72% | 177 | 3.5 | CDP |
| Ojo Encino | 18 | 519 | 406 | 7.68% | 796 | 0.7 | CDP |
| Fort Wingate | 19 | 441 | 273 | 7.56% | 219 | 2.0 | CDP |
| Ramah | 20 | 394 | 505 | 0.25% | 32 | 12.3 | CDP |
| Sagar | 21 | 369 | 217 | 7.9% | 197 | 1.9 | CDP |
| Naschitti | 22 | 350 | 492 | 1.16% | 140 | 2.5 | CDP |
| Becenti | 23 | 321 | 243 | 7.72% | 342 | 0.9 | CDP |
| Crystal | 24 | 281 | 331 | -0.71% | 62 | 4.5 | CDP |
| Jamestown | 25 | 267 | 129 | 7.66% | 98 | 2.7 | CDP |
| Crestview | 26 | 225 | 201 | 7.66% | 173 | 1.3 | CDP |
| Pueblo Pintado | 27 | 221 | 314 | 0.91% | 7 | 31.0 | CDP |
| Nakaibito | 28 | 173 | 214 | -10.82% | 25 | 7.0 | CDP |
| Continental Divide | 29 | 164 | 76 | 7.19% | 67 | 2.4 | CDP |
| Catalpa Canyon | 30 | 147 | 16 | 8.09% | 21 | 7.0 | CDP |
| Tse Bonito | 31 | 114 | 206 | -10.24% | 17 | 6.8 | CDP |
| Vanderwagen | 32 | 66 | 0 | 6.45% | 33 | 2.0 | CDP |
| Manuelito | 33 | 48 | 28 | 9.09% | 6 | 8.2 | CDP |
| Pinehaven | 34 | 8 | 133 | 0% | 1 | 7.0 | CDP |
| Purty Rock | 35 | 2 | 223 | 0% | 2 | 1.2 | CDP |
Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.
Gallup is the largest city in McKinley County.
Purty Rock is the smallest city in McKinley County.
There are 35 cities in McKinley County, New Mexico.