There are 38 cities in Jefferson 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 | 2024 Population | 2020 Population | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| DuBois | 1 | 7,262 | 7,494 | -0.79% | 2,256 | 3.2 | City |
| Punxsutawney | 2 | 5,562 | 5,766 | -0.91% | 1,652 | 3.4 | Borough |
| Ridgway | 3 | 3,906 | 4,033 | -0.81% | 1,495 | 2.6 | Borough |
| Brookville | 4 | 3,894 | 3,990 | -0.61% | 1,238 | 3.1 | Borough |
| Winslow township | 5 | 2,489 | 2,545 | -0.28% | 55 | 45.1 | Township |
| Reynoldsville | 6 | 2,479 | 2,547 | -0.68% | 1,786 | 1.4 | Borough |
| Snyder township | 7 | 2,312 | 2,366 | -0.3% | 56 | 41.1 | Township |
| Brockway | 8 | 2,224 | 2,279 | -0.63% | 1,877 | 1.2 | Borough |
| Bell township | 9 | 1,966 | 2,009 | -0.3% | 106 | 18.6 | Township |
| Henderson township | 10 | 1,903 | 1,940 | -0.16% | 87 | 21.9 | Township |
| Washington township | 11 | 1,851 | 1,892 | -0.27% | 39 | 47.6 | Township |
| Young township | 12 | 1,673 | 1,715 | -0.36% | 108 | 15.4 | Township |
| Warsaw township | 13 | 1,336 | 1,366 | -0.3% | 26 | 50.9 | Township |
| Pine Creek township | 14 | 1,303 | 1,325 | -0.23% | 46 | 28.3 | Township |
| Eldred township | 15 | 1,248 | 1,275 | -0.24% | 27 | 46.5 | Township |
| Perry township | 16 | 1,218 | 1,248 | -0.33% | 43 | 28.4 | Township |
| Rose township | 17 | 1,129 | 1,153 | -0.27% | 59 | 19.1 | Township |
| McCalmont township | 18 | 1,111 | 1,136 | -0.36% | 42 | 26.2 | Township |
| Sykesville | 19 | 1,081 | 1,112 | -0.73% | 683 | 1.6 | Borough |
| Falls Creek | 20 | 1,007 | 1,033 | -0.69% | 1,080 | 0.9 | Borough |
| Knox township | 21 | 988 | 1,007 | -0.1% | 31 | 31.4 | Township |
| Oliver township | 22 | 985 | 1,006 | -0.3% | 33 | 30.0 | Township |
| Union township | 23 | 831 | 849 | -0.24% | 47 | 17.6 | Township |
| Rural Valley | 24 | 802 | 829 | -0.86% | 380 | 2.1 | Borough |
| Ringgold township | 25 | 757 | 772 | -0.13% | 40 | 19.1 | Township |
| Gaskill township | 26 | 663 | 676 | -0.15% | 31 | 21.4 | Township |
| Big Run | 27 | 629 | 644 | -0.63% | 910 | 0.7 | Borough |
| Dayton | 28 | 534 | 552 | -0.93% | 1,420 | 0.4 | Borough |
| Summerville | 29 | 497 | 511 | -0.8% | 835 | 0.6 | Borough |
| Beaver township | 30 | 461 | 468 | 0% | 22 | 21.3 | Township |
| Clover township | 31 | 421 | 429 | -0.24% | 26 | 15.9 | Township |
| Corsica | 32 | 311 | 319 | -0.64% | 687 | 0.5 | Borough |
| Porter township | 33 | 293 | 299 | -0.34% | 17 | 17.7 | Township |
| Polk township | 34 | 279 | 287 | -0.71% | 9 | 32.1 | Township |
| Barnett township | 35 | 227 | 231 | 0% | 16 | 14.6 | Township |
| Timblin | 36 | 140 | 144 | -0.71% | 155 | 0.9 | Borough |
| Heath township | 37 | 115 | 117 | 0% | 4 | 27.6 | Township |
| Worthville | 38 | 70 | 73 | -1.41% | 391 | 0.2 | Borough |
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.
DuBois is the largest city in Jefferson County.
Worthville is the smallest city in Jefferson County.
There are 38 cities in Jefferson County, Pennsylvania.