Results as of 11:25 PM, June 6 as reported by NJ.com (ref)
(i) = incumbent
US Senate
Official results, New Jersey Division of Elections (PDF, July 11, 2008)
| County | R. Andrews | D. Cresitello | F. Lautenberg (i) |
| Total | 121,777 (35.3%) | 19,743 (5.7%) | 203,012 (58.9%) |
| Atlantic | 5,287 (50.1%) | 472 (4.5%) | 4,798 (45.4%) |
| Bergen | 5,645 (16.6%) | 1,554 (4.6%) | 26,848 (78.9%) |
| Burlington | 9,483 (51.8%) | 1,059 (5.8%) | 7,757 (42.4%) |
| Camden | 29,175 (80.1%) | 1,256 (3.4%) | 5,995 (16.5%) |
| Cape May | 1,566 (49.6%) | 159 (5.0%) | 1,433 (45.4%) |
| Cumberland | 1,799 (47.5%) | 246 (6.5%) | 1,746 (46.1%) |
| Essex | 8,671 (20.8%) | 1,190 (2.9%) | 31,844 (76.4%) |
| Gloucester | 14,775 (80.0%) | 563 (3.0%) | 3,135 (17.0%) |
| Hudson | 8,233 (21.7%) | 1,343 (3.5%) | 28,446 (74.8%) |
| Hunterdon | 1,180 (33.7%) | 264 (7.5%) | 2,061 (58.8%) |
| Mercer | 3,053 (22.4%) | 494 (3.6%) | 10,093 (74.0%) |
| Middlesex | 7,918 (28.7%) | 2,573 (9.3%) | 17,131 (62.0%) |
| Monmouth | 3,568 (22.4%) | 1,808 (11.3%) | 10,570 (66.3%) |
| Morris | 3,151 (24.3%) | 1,394 (10.7%) | 8,432 (65.0%) |
| Ocean | 5,037 (32.9%) | 1,421 (9.3%) | 8,869 (57.9%) |
| Passaic | 1,700 (13.7%) | 872 (7.0%) | 9,842 (79.3%) |
| Salem | 1,734 (59.6%) | 248 (8.5%) | 928 (31.9%) |
| Somerset | 2,209 (25.3%) | 873 (10.0%) | 5,640 (64.7%) |
| Sussex | 784 (29.9%) | 456 (17.4%) | 1,379 (52.7%) |
| Union | 6,179 (27.7%) | 1,060 (4.7%) | 15,103 (67.6%) |
| Warren | 630 (31.0%) | 438 (21.6%) | 962 (47.4%) |
U.S. House (District 1)
| County | Precincts | C. Andrews | J. Caramanna | D. Evans | M. Ibn-Ziyad |
| Total | 473/475 | 31,092 (83%) | 4,158 (11%) | 0 (0%) | 2,138 (6%) |
| Burlington | 31/31 | 935 (85%) | 92 (8%) | 0 (0%) | 76 (7%) |
| Camden | 276/278 | 19,891 (81%) | 3,068 (12%) | 0 (0%) | 1,655 (7%) |
| Gloucester | 166/166 | 10,266 (88%) | 998 (9%) | 0 (0%) | 407 (3%) |
U.S. House (District 5)
| County | Precincts | C. Abate | R. Bacon | D. Shulman |
| Total | 464/464 | 4,850 (32%) | 1,106 (7%) | 9,380 (61%) |
| Bergen | 255/255 | 2,850 (27%) | 438 (4%) | 7,242 (69%) |
| Passaic | 33/33 | 408 (35%) | 87 (7%) | 668 (57%) |
| Sussex | 86/86 | 728 (43%) | 239 (14%) | 708 (42%) |
| Warren | 90/90 | 864 (44%) | 342 (17%) | 762 (39%) |
U.S. House (District 11)
| County | Precincts | E. Greenberg | G. Hager | T. Wyka |
| Total | 541/545 | 2,429 (16%) | 2,260 (15%) | 10,793 (70%) |
| Essex | 51/55 | 266 (14%) | 193 (10%) | 1,454 (76%) |
| Morris | 395/395 | 1,507 (14%) | 1,609 (14%) | 8,005 (72%) |
| Passaic | 2/2 | 17 (18%) | 19 (20%) | 59 (62%) |
| Somerset | 60/60 | 270 (18%) | 184 (12%) | 1,056 (70%) |
| Sussex | 33/33 | 369 (44%) | 255 (30%) | 219 (26%) |
Mayor (Atlantic City)
| County | Precincts | D. Cappella | S. Evans (i) | L. Langford |
| Total | 26/26 | 262 (7%) | 1,321 (33%) | 2,391 (60%) |
| Atlantic | 26/26 | 262 (7%) | 1,321 (33%) | 2,391 (60%) |
