There are 34 cities in Warren 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 |
|---|---|---|---|---|---|---|---|
| Warren | 1 | 9,040 | 9,380 | -0.93% | 3,105 | 2.9 | City |
| Bradford | 2 | 7,469 | 7,833 | -1.2% | 2,246 | 3.3 | City |
| Corry | 3 | 6,033 | 6,200 | -0.69% | 1,007 | 6.0 | City |
| Titusville | 4 | 5,132 | 5,259 | -0.62% | 1,765 | 2.9 | City |
| Conewango township | 5 | 3,333 | 3,420 | -0.51% | 111 | 30.0 | Township |
| Pine Grove township | 6 | 2,526 | 2,594 | -0.51% | 64 | 39.7 | Township |
| Pleasant township | 7 | 2,188 | 2,246 | -0.55% | 65 | 33.7 | Township |
| Glade township | 8 | 1,976 | 2,036 | -0.6% | 55 | 36.0 | Township |
| Sheffield township | 9 | 1,776 | 1,845 | -0.84% | 30 | 59.2 | Township |
| Brokenstraw township | 10 | 1,664 | 1,723 | -0.78% | 44 | 38.0 | Township |
| Youngsville | 11 | 1,663 | 1,726 | -0.95% | 1,250 | 1.3 | Borough |
| Sugar Grove township | 12 | 1,558 | 1,614 | -0.7% | 44 | 35.4 | Township |
| Columbus township | 13 | 1,553 | 1,600 | -0.64% | 38 | 40.6 | Township |
| Mead township | 14 | 1,263 | 1,295 | -0.47% | 16 | 78.6 | Township |
| Farmington township | 15 | 1,253 | 1,281 | -0.4% | 37 | 34.2 | Township |
| Pittsfield township | 16 | 1,246 | 1,279 | -0.48% | 22 | 55.6 | Township |
| Freehold township | 17 | 1,168 | 1,210 | -0.77% | 33 | 35.7 | Township |
| Spring Creek township | 18 | 748 | 774 | -0.66% | 15 | 48.7 | Township |
| Tidioute | 19 | 608 | 628 | -0.82% | 567 | 1.1 | Borough |
| Eldred township | 20 | 570 | 586 | -0.52% | 16 | 36.2 | Township |
| Lewis Run | 21 | 552 | 579 | -1.25% | 302 | 1.8 | Borough |
| Sugar Grove | 22 | 539 | 557 | -0.92% | 481 | 1.1 | Borough |
| Hydetown | 23 | 518 | 525 | -0.39% | 231 | 2.2 | Borough |
| Elk township | 24 | 465 | 479 | -0.64% | 11 | 41.0 | Township |
| Southwest township | 25 | 411 | 424 | -0.73% | 12 | 34.0 | Township |
| Clarendon | 26 | 398 | 410 | -0.75% | 1,181 | 0.3 | Borough |
| Limestone township | 27 | 299 | 310 | -0.99% | 10 | 31.4 | Township |
| Spartansburg | 28 | 272 | 278 | -0.73% | 410 | 0.7 | Borough |
| Triumph township | 29 | 265 | 274 | -0.75% | 9 | 28.2 | Township |
| Deerfield township | 30 | 261 | 269 | -0.76% | 6 | 43.2 | Township |
| Watson township | 31 | 221 | 230 | -0.9% | 4 | 50.8 | Township |
| Elgin | 32 | 198 | 204 | -1% | 134 | 1.5 | Borough |
| Cherry Grove township | 33 | 167 | 173 | -0.6% | 4 | 46.3 | Township |
| Bear Lake | 34 | 145 | 148 | -0.69% | 210 | 0.7 | 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.
Warren is the largest city in Warren County.
Bear Lake is the smallest city in Warren County.
There are 34 cities in Warren County, Pennsylvania.