There are 46 cities in Frederick County, Maryland.
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 Population | 2020 Population | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Frederick | 1 | 88,270 | 78,360 | 2.89% | 3,684 | 24.0 | City |
| Clarksburg | 2 | 30,766 | 26,234 | 4.11% | 3,189 | 9.6 | CDP |
| Ballenger Creek | 3 | 25,334 | 21,484 | 2.03% | 2,347 | 10.8 | CDP |
| Green Valley | 4 | 15,143 | 12,391 | 7.69% | 886 | 17.1 | CDP |
| Urbana | 5 | 14,073 | 12,362 | 2.55% | 1,810 | 7.8 | CDP |
| Linganore | 6 | 12,424 | 9,988 | 2.28% | 1,501 | 8.3 | CDP |
| Mount Airy | 7 | 9,964 | 9,662 | 0.76% | 2,417 | 4.1 | Town |
| Brunswick | 8 | 8,480 | 7,796 | 2.06% | 2,589 | 3.3 | City |
| Taneytown | 9 | 7,454 | 7,237 | 0.73% | 2,218 | 3.4 | City |
| Thurmont | 10 | 6,824 | 6,246 | 2.16% | 2,196 | 3.1 | Town |
| Walkersville | 11 | 6,753 | 6,179 | 2.16% | 1,418 | 4.8 | Town |
| Spring Ridge | 12 | 5,674 | 5,612 | -0.14% | 2,108 | 2.7 | CDP |
| Middletown | 13 | 5,421 | 4,963 | 2.15% | 2,559 | 2.1 | Town |
| Monrovia | 14 | 3,407 | 1,556 | 6.67% | 1,518 | 2.2 | CDP |
| Smithsburg | 15 | 3,203 | 2,986 | 1.71% | 2,759 | 1.2 | Town |
| Emmitsburg | 16 | 3,019 | 2,777 | 2.03% | 1,867 | 1.6 | Town |
| Braddock Heights | 17 | 2,898 | 3,093 | 0.69% | 543 | 5.3 | CDP |
| Jefferson | 18 | 2,847 | 2,577 | 1.86% | 1,022 | 2.8 | CDP |
| Bartonsville | 19 | 2,527 | 1,786 | 3.14% | 1,183 | 2.1 | CDP |
| Point Rocks | 20 | 2,509 | 2,067 | 3.08% | 2,240 | 1.1 | CDP |
| Adamstown | 21 | 2,398 | 2,130 | 0.08% | 2,254 | 1.1 | CDP |
| Myersville | 22 | 1,985 | 1,816 | 2.16% | 1,710 | 1.2 | Town |
| New Market | 23 | 1,676 | 1,536 | 2.13% | 947 | 1.8 | Town |
| New Windsor | 24 | 1,480 | 1,440 | 0.68% | 2,005 | 0.7 | Town |
| Ten Mile Creek | 25 | 1,349 | 1,074 | 7.75% | 233 | 5.8 | CDP |
| Libertytown | 26 | 1,329 | 831 | 2.07% | 552 | 2.4 | CDP |
| Buckeystown | 27 | 1,271 | 1,289 | 1.44% | 1,392 | 0.9 | CDP |
| Woodsboro | 28 | 1,199 | 1,099 | 2.13% | 1,696 | 0.7 | Town |
| Highfield-Cascade | 29 | 1,018 | 912 | -0.59% | 588 | 1.7 | CDP |
| Union Bridge | 30 | 957 | 940 | 0.42% | 843 | 1.1 | Town |
| Cavetown | 31 | 891 | 1,104 | -4.4% | 468 | 1.9 | CDP |
| Sabillasville | 32 | 414 | 390 | 1.22% | 247 | 1.7 | CDP |
| Lewistown | 33 | 382 | 410 | 7.91% | 597 | 0.6 | CDP |
| Garretts Mill | 34 | 327 | 350 | 1.87% | 573 | 0.6 | CDP |
| Rosemont | 35 | 297 | 275 | 1.71% | 534 | 0.6 | Village |
| Chewsville | 36 | 266 | 301 | 0.76% | 319 | 0.8 | CDP |
| Edgemont | 37 | 246 | 277 | 0.41% | 464 | 0.5 | CDP |
| Graceham | 38 | 237 | 304 | 7.73% | 495 | 0.5 | CDP |
| Sandy Hook | 39 | 206 | 193 | 0.98% | 954 | 0.2 | CDP |
| Pondsville | 40 | 184 | 39 | 1.1% | 595 | 0.3 | CDP |
| Yarrowsburg | 41 | 178 | 274 | 1.71% | 784 | 0.2 | CDP |
| Burkittsville | 42 | 151 | 141 | 1.34% | 333 | 0.5 | Town |
| Jugtown | 43 | 132 | 240 | -3.65% | 395 | 0.3 | CDP |
| Greensburg | 44 | 98 | 126 | -9.26% | 243 | 0.4 | CDP |
| Ringgold | 45 | 64 | 90 | -11.11% | 222 | 0.3 | CDP |
| Brownsville | 46 | 14 | 26 | 7.69% | 49 | 0.3 | 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.
Frederick is the largest city in Frederick County.
Brownsville is the smallest city in Frederick County.
There are 46 cities in Frederick County, Maryland.