Mercer County, New Jersey
Mercer County profile, demographic data, and geographic information.
Cities & Towns in Mercer County
Constituent municipalities and census communities located within Mercer County.
| City / Town Name | Classification | Census GEOID | Land Area |
|---|---|---|---|
| Groveville CDP | CDP | 3428620 | 2.21 sq mi |
| Hamilton Square CDP | CDP | 3429370 | 4.28 sq mi |
| Hightstown borough | Borough | 3431620 | 1.23 sq mi |
| Hopewell borough | Borough | 3433150 | 0.72 sq mi |
| Lawrenceville CDP | CDP | 3439570 | 1.04 sq mi |
| Mercerville CDP | CDP | 3445480 | 3.69 sq mi |
| Pennington borough | Borough | 3457600 | 0.96 sq mi |
| Princeton | City | 3460900 | 17.95 sq mi |
| Princeton Junction CDP | CDP | 3460960 | 1.82 sq mi |
| Robbinsville Center CDP | CDP | 3463858 | 0.64 sq mi |
| The College of New Jersey CDP | CDP | 3472580 | 0.43 sq mi |
| Titusville CDP | CDP | 3473050 | 0.47 sq mi |
| Trenton city | City | 3474000 | 7.61 sq mi |
| Twin Rivers CDP | CDP | 3474330 | 1.26 sq mi |
| Washington Crossing CDP | CDP | 3477330 | 0.25 sq mi |
| White Horse CDP | CDP | 3480630 | 3.12 sq mi |
| Windsor CDP | CDP | 3481620 | 1.15 sq mi |
| Yardville CDP | CDP | 3483170 | 4.07 sq mi |