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 |
|---|---|---|---|---|---|---|---|
| Waco | 1 | 146,241 | 140,541 | 0.98% | 1,607 | 91.0 | City |
| Hewitt | 2 | 16,897 | 16,071 | 1.23% | 2,453 | 6.9 | City |
| Bellmead | 3 | 10,656 | 10,511 | 0.34% | 1,544 | 6.9 | City |
| Woodway | 4 | 9,766 | 9,422 | 0.89% | 1,483 | 6.6 | City |
| Lacy-Lakeview | 5 | 7,341 | 7,213 | 0.44% | 1,686 | 4.4 | City |
| West | 6 | 2,597 | 2,553 | 0.43% | 1,521 | 1.7 | City |
| Willow Grove | 7 | 2,432 | 1,992 | 7.66% | 471 | 5.2 | CDP |
| Mart | 8 | 1,870 | 1,784 | 1.14% | 1,358 | 1.4 | City |
| Beverly Hills | 9 | 1,864 | 1,874 | -0.16% | 2,833 | 0.7 | City |
| Lorena | 10 | 1,809 | 1,783 | 0.33% | 470 | 3.9 | City |
| Moody | 11 | 1,638 | 1,556 | 1.24% | 1,176 | 1.4 | City |
| China Spring | 12 | 1,434 | 1,264 | 0.77% | 311 | 4.6 | CDP |
| Riesel | 13 | 1,067 | 1,047 | 0.47% | 256 | 4.2 | City |
| Crawford | 14 | 936 | 892 | 1.19% | 650 | 1.4 | Town |
| Leroy | 15 | 360 | 358 | 0% | 195 | 1.8 | City |
| Ross | 16 | 205 | 199 | 0.49% | 133 | 1.5 | City |
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.
Waco is the largest city in McLennan County.
Ross is the smallest city in McLennan County.
There are 16 cities in McLennan County, Texas.