| Precinct | I Ros-Lehtinen - (REP) | S Sheldon - (DEM) | Number of Under Votes - (NP) | Times Over Voted - (NP) | Times Blank Voted - (NP) |
| 1 - 1 Jaycee Clubhouse | 273 | 198 | 0 | 0 | 27 |
| 2 - 2 Teen Center | 352 | 319 | 0 | 0 | 30 |
| 3 - 3 Unity of the Keys Church | 286 | 267 | 0 | 0 | 29 |
| 4 - 4 M.L. King Comm. Pool | 112 | 353 | 0 | 0 | 39 |
| 5 - 5 Old City Hall | 278 | 355 | 0 | 0 | 37 |
| 6 - 6 St Mary's Convent | 241 | 413 | 0 | 0 | 50 |
| 7 - 7 Moose Club K.W. | 159 | 207 | 0 | 0 | 16 |
| 8 - 8 Glad Tiding Tabernacle | 384 | 388 | 0 | 0 | 41 |
| 9 - 9 Senior Citizen Plaza | 406 | 297 | 0 | 0 | 39 |
| 10 - 10 Church of Jesus Christ of Latter Day Saints | 334 | 367 | 0 | 0 | 40 |
| 11 - 11 Bapt. Temp. S.I. | 537 | 382 | 0 | 0 | 62 |
| 12 - 12 B.C. 1st Bapt. Ch. | 399 | 292 | 0 | 0 | 40 |
| 13 - 13 Sugarloaf Fire Station | 381 | 279 | 0 | 0 | 35 |
| 14 - 14 Cudjoe Sheriff Sub. | 363 | 206 | 0 | 0 | 25 |
| 15 - 15 Summerland Salvat. Army | 366 | 217 | 0 | 0 | 39 |
| 16 - 16 Big Pine Meth. Ch. | 369 | 264 | 0 | 0 | 35 |
| 17 - 17 Big Pine Moose Club | 283 | 216 | 0 | 0 | 22 |
| 18 - 18 Marathon American Leg. | 236 | 179 | 0 | 0 | 31 |
| 19 - 19 Marathon 1st Baptist Ch. | 364 | 222 | 0 | 0 | 45 |
| 20 - 20 Calvary Baptist Church | 300 | 170 | 0 | 0 | 31 |
| 21 - 21 Moose Lodge Mar. | 254 | 148 | 0 | 0 | 28 |
| 22 - 22 Key Colony Beach | 239 | 79 | 0 | 0 | 21 |
| 23 - 23 Conch Key Fire Station | 328 | 171 | 0 | 0 | 24 |
| 24 - 24 Islamorada Library | 404 | 221 | 0 | 0 | 27 |
| 25 - 25 P.K. Courtroom B | 327 | 163 | 0 | 0 | 41 |
| 26 - 26 San Pedro Ch. | 480 | 230 | 0 | 0 | 41 |
| 27 - 27 Elk's Club | 300 | 183 | 0 | 0 | 28 |
| 28 - 28 Silver Shores Comm. | 328 | 197 | 0 | 0 | 19 |
| 29 - 29 Key Largo Civic Club | 496 | 249 | 0 | 0 | 36 |
| 30 - 30 K.L. Library | 222 | 151 | 0 | 0 | 21 |
| 31 - 31 Dolphin Patio & Grill | 252 | 149 | 0 | 0 | 27 |
| 32 - 32 Key Largo Elem | 342 | 209 | 0 | 0 | 27 |
| 33 - 33 Ocean Reef Club | 449 | 51 | 0 | 0 | 13 |
| 90001 - Absentee | 6553 | 3896 | 0 | 18 | 522 |
| 90004 - Provisional | 5 | 3 | 0 | 0 | 0 |
| 90010 - Early Voting | 4761 | 3731 | 0 | 1 | 422 |
| 999999 - Election Total | 22163 | 15422 | 0 | 19 | 2010 |