There are 33 cities in Adams County, Pennsylvania.
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 | State | 2024 Population | 2020 Census | Annual Change | Density (mi²) | Area (mi²) |
|---|---|---|---|---|---|---|---|
| Hanover | 1 | Pennsylvania | 16,654 | 16,442 | 0.32% | 4,506 | 3.70 |
| Gettysburg | 2 | Pennsylvania | 10,017 | 7,099 | 7.86% | 6,034 | 1.66 |
| Parkville | 3 | Pennsylvania | 8,416 | 7,345 | 1.14% | 2,888 | 2.91 |
| Littlestown | 4 | Pennsylvania | 4,861 | 4,779 | 0.43% | 2,658 | 1.83 |
| Carroll Valley | 5 | Pennsylvania | 4,005 | 3,941 | 0.4% | 745 | 5.38 |
| McSherrystown | 6 | Pennsylvania | 3,124 | 3,078 | 0.39% | 6,102 | 0.51 |
| Lake Heritage | 7 | Pennsylvania | 2,775 | 2,788 | 0.8% | 1,497 | 1.85 |
| Fayetteville | 8 | Pennsylvania | 2,705 | 2,855 | -0.73% | 829 | 3.26 |
| Dillsburg | 9 | Pennsylvania | 2,620 | 2,638 | -0.15% | 3,247 | 0.81 |
| Lake Meade | 10 | Pennsylvania | 2,492 | 2,516 | -0.24% | 1,889 | 1.32 |
| Messiah College | 11 | Pennsylvania | 2,440 | 2,052 | 4.14% | 7,601 | 0.32 |
| Pennville | 12 | Pennsylvania | 2,242 | 2,274 | -0.36% | 2,348 | 0.95 |
| New Oxford | 13 | Pennsylvania | 1,899 | 1,867 | 0.42% | 3,068 | 0.62 |
| Bonneauville | 14 | Pennsylvania | 1,787 | 1,759 | 0.39% | 1,850 | 0.97 |
| East Berlin | 15 | Pennsylvania | 1,566 | 1,542 | 0.39% | 2,228 | 0.70 |
| Hampton | 16 | Pennsylvania | 1,565 | 1,921 | -4.16% | 885 | 1.77 |
| Biglerville | 17 | Pennsylvania | 1,242 | 1,222 | 0.4% | 1,908 | 0.65 |
| Abbottstown | 18 | Pennsylvania | 1,041 | 1,021 | 0.48% | 1,907 | 0.55 |
| Arendtsville | 19 | Pennsylvania | 881 | 867 | 0.46% | 1,100 | 0.80 |
| Bendersville | 20 | Pennsylvania | 752 | 738 | 0.53% | 1,664 | 0.45 |
| York Springs | 21 | Pennsylvania | 696 | 682 | 0.58% | 3,497 | 0.20 |
| Midway | 22 | Pennsylvania | 693 | 935 | -7.97% | 2,087 | 0.33 |
| Franklintown | 23 | Pennsylvania | 560 | 506 | 2.56% | 2,196 | 0.26 |
| Fairfield | 24 | Pennsylvania | 541 | 531 | 0.56% | 804 | 0.67 |
| McKnightstown | 25 | Pennsylvania | 413 | 501 | -5.06% | 286 | 1.45 |
| Cashtown | 26 | Pennsylvania | 322 | 244 | 6.62% | 214 | 1.50 |
| Heidlersburg | 27 | Pennsylvania | 304 | 596 | -19.36% | 435 | 0.70 |
| Aspers | 28 | Pennsylvania | 275 | 193 | 8.27% | 296 | 0.93 |
| Hunterstown | 29 | Pennsylvania | 239 | 435 | -17.01% | 139 | 1.72 |
| Idaville | 30 | Pennsylvania | 156 | 205 | -1.89% | 224 | 0.69 |
| Gardners | 31 | Pennsylvania | 137 | 57 | 17.09% | 297 | 0.46 |
| Table Rock | 32 | Pennsylvania | 105 | 95 | 2.94% | 176 | 0.60 |
| Orrtanna | 33 | Pennsylvania | 103 | 116 | 11.96% | 507 | 0.20 |
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.
Hanover is the largest city in Adams County.
Orrtanna is the smallest city in Adams County.
There are 33 cities in Adams County, Pennsylvania.