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 |
|---|---|---|---|---|---|---|---|
| Cranberry township | 1 | 35,098 | 33,192 | 1.69% | 1,533 | 22.9 | Township |
| Oil City | 2 | 9,302 | 9,590 | -0.77% | 2,070 | 4.5 | City |
| Polk township | 3 | 7,370 | 7,465 | -0.19% | 239 | 30.8 | Township |
| Franklin township | 4 | 6,813 | 7,054 | 1.1% | 168 | 40.6 | Township |
| Cranberry township | 5 | 6,206 | 6,327 | -0.58% | 89 | 69.8 | Township |
| Franklin | 6 | 5,892 | 6,064 | -0.73% | 1,260 | 4.7 | City |
| Franklin township | 7 | 5,171 | 5,033 | 1.19% | 269 | 19.2 | Township |
| Franklin township | 8 | 4,780 | 4,669 | 0.74% | 70 | 68.2 | Township |
| Sugarcreek | 9 | 4,682 | 4,768 | -0.47% | 125 | 37.5 | Borough |
| Franklin township | 10 | 4,428 | 4,428 | -0.32% | 339 | 13.1 | Township |
| Franklin township | 11 | 4,400 | 4,358 | -0.09% | 290 | 15.2 | Township |
| Franklin township | 12 | 3,838 | 3,876 | 0.39% | 217 | 17.7 | Township |
| Franklin township | 13 | 2,602 | 2,595 | 0.81% | 122 | 21.3 | Township |
| Franklin township | 14 | 2,271 | 2,376 | -1.09% | 76 | 29.7 | Township |
| Cornplanter township | 15 | 2,257 | 2,314 | -0.62% | 60 | 37.4 | Township |
| Franklin township | 16 | 2,222 | 2,204 | 0.5% | 80 | 27.9 | Township |
| Sandycreek township | 17 | 2,009 | 2,054 | -0.55% | 113 | 17.8 | Township |
| Franklin township | 18 | 1,744 | 1,721 | 0.34% | 141 | 12.4 | Township |
| Franklin township | 19 | 1,477 | 1,507 | -0.47% | 52 | 28.7 | Township |
| Frenchcreek township | 20 | 1,380 | 1,424 | -0.86% | 47 | 29.1 | Township |
| Oakland township | 21 | 1,323 | 1,356 | -0.6% | 46 | 28.8 | Township |
| Pinegrove township | 22 | 1,319 | 1,326 | 0.61% | 36 | 37.0 | Township |
| Cherrytree township | 23 | 1,259 | 1,303 | -0.87% | 34 | 36.7 | Township |
| Rockland township | 24 | 1,206 | 1,241 | -0.74% | 24 | 49.6 | Township |
| Pleasantville | 25 | 819 | 846 | -0.85% | 862 | 0.9 | Borough |
| Polk | 26 | 619 | 633 | -0.64% | 305 | 2.0 | Borough |
| Emlenton | 27 | 598 | 618 | -0.83% | 1,027 | 0.6 | Borough |
| Rouseville | 28 | 441 | 457 | -0.9% | 494 | 0.9 | Borough |
| Clintonville | 29 | 428 | 440 | -0.7% | 392 | 1.1 | Borough |
| Cooperstown | 30 | 386 | 397 | -0.77% | 697 | 0.6 | Borough |
| Franklin | 31 | 267 | 274 | -0.74% | 447 | 0.6 | Borough |
| Pleasantville | 32 | 195 | 195 | 0% | 2,635 | 0.1 | Borough |
| Utica | 33 | 181 | 187 | -1.09% | 129 | 1.4 | 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.
Cranberry township is the largest city in Venango County.
Utica is the smallest city in Venango County.
There are 33 cities in Venango County, Pennsylvania.