| Secretary of State | Secretary of Agriculture | |||||||||||
| Precinct | Total Voters | Mauro | % | Hanusa | % | W-I | O'Brien | % | Northey | % | W-I | |
| IC01 Roosevelt | 384 | 281 | 77% | 81 | 22% | 2 | 281 | 76% | 87 | 24% | 0 | |
| IC02 Horn | 487 | 299 | 65% | 163 | 35% | 0 | 281 | 61% | 177 | 39% | 0 | |
| IC03 Quad | 296 | 209 | 75% | 69 | 25% | 0 | 203 | 73% | 75 | 27% | 0 | |
| IC04 Lincoln | 722 | 524 | 77% | 159 | 23% | 0 | 502 | 73% | 183 | 27% | 1 | |
| IC05 UI Library | 287 | 204 | 76% | 65 | 24% | 1 | 194 | 71% | 78 | 29% | 1 | |
| IC06 Mercer | 599 | 362 | 65% | 196 | 35% | 0 | 359 | 63% | 214 | 37% | 0 | |
| IC07 West High | 296 | 193 | 67% | 93 | 33% | 0 | 185 | 65% | 99 | 35% | 1 | |
| IC08 Weber | 889 | 511 | 61% | 326 | 39% | 1 | 483 | 58% | 354 | 42% | 1 | |
| IC09 All Nations | 591 | 372 | 66% | 193 | 34% | 1 | 343 | 60% | 227 | 40% | 2 | |
| IC10 Goodwill | 421 | 302 | 74% | 103 | 25% | 1 | 312 | 76% | 98 | 24% | 0 | |
| IC11 Courthouse | 171 | 126 | 75% | 40 | 24% | 1 | 115 | 71% | 47 | 29% | 0 | |
| IC12 Grant Wood | 634 | 402 | 67% | 198 | 33% | 2 | 398 | 65% | 213 | 35% | 1 | |
| IC13 City Transit | 301 | 194 | 67% | 93 | 32% | 2 | 189 | 66% | 95 | 33% | 2 | |
| IC14 Twain | 696 | 447 | 68% | 210 | 32% | 2 | 424 | 63% | 241 | 36% | 3 | |
| IC15 SE Jr High | 478 | 331 | 72% | 128 | 28% | 0 | 319 | 69% | 142 | 31% | 0 | |
| IC16 Lucas | 925 | 510 | 59% | 357 | 41% | 1 | 479 | 55% | 398 | 45% | 0 | |
| IC17 Hoover | 753 | 491 | 69% | 218 | 31% | 5 | 477 | 67% | 235 | 33% | 0 | |
| IC18 Longfellow | 645 | 505 | 82% | 110 | 18% | 0 | 500 | 80% | 128 | 20% | 0 | |
| IC19 Rec Center | 365 | 277 | 80% | 70 | 20% | 0 | 255 | 75% | 84 | 25% | 2 | |
| IC20 Senior Center | 349 | 269 | 81% | 63 | 19% | 0 | 259 | 78% | 71 | 22% | 0 | |
| IC21 Horace Mann | 539 | 446 | 87% | 68 | 13% | 1 | 441 | 85% | 79 | 15% | 0 | |
| IC22 Shimek | 658 | 469 | 75% | 154 | 25% | 2 | 456 | 73% | 168 | 27% | 0 | |
| IC23 Regina | 639 | 444 | 73% | 168 | 27% | 0 | 415 | 67% | 203 | 33% | 0 | |
| IC24 City High | 700 | 508 | 76% | 160 | 24% | 2 | 501 | 74% | 172 | 26% | 1 | |
| IC25 Lemme | 888 | 538 | 65% | 293 | 35% | 1 | 502 | 60% | 327 | 39% | 1 | |
| Iowa City Total (at polls only) | 13,713 | 9,214 | 71% | 3,778 | 29% | 25 | 8,873 | 68% | 4,195 | 32% | 16 | |
| Precinct | Total Voters | Mauro | % | Hanusa | % | W-I | O'Brien | % | Northey | % | W-I | |
| CV01 Central | 447 | 315 | 74% | 110 | 26% | 3 | 306 | 71% | 122 | 28% | 1 | |
| CV02 Grant Wood AEA | 936 | 546 | 62% | 335 | 38% | 2 | 520 | 59% | 361 | 41% | 2 | |
| CV03 West. Hills | 222 | 160 | 74% | 56 | 26% | 0 | 148 | 69% | 67 | 31% | 0 | |
| CV04 Rec Center | 498 | 341 | 72% | 132 | 28% | 2 | 326 | 68% | 150 | 31% | 2 | |
| CV05 NW Jr High | 629 | 381 | 63% | 221 | 37% | 2 | 380 | 63% | 227 | 37% | 0 | |
| CV06 Wickham | 1,173 | 598 | 53% | 541 | 47% | 0 | 566 | 50% | 569 | 50% | 0 | |
| BG Big Grove | 684 | 366 | 57% | 280 | 43% | 0 | 321 | 49% | 337 | 51% | 1 | |
| CE Cedar | 224 | 139 | 65% | 75 | 35% | 0 | 105 | 48% | 114 | 52% | 0 | |
| CC Clear Creek | 86 | 43 | 52% | 40 | 48% | 0 | 43 | 51% | 42 | 49% | 0 | |
| FR Fremont | 475 | 273 | 60% | 180 | 40% | 0 | 230 | 50% | 231 | 50% | 0 | |
| GR Graham | 202 | 133 | 71% | 55 | 29% | 0 | 115 | 59% | 79 | 41% | 0 | |
| HD Hardin | 200 | 116 | 64% | 64 | 36% | 0 | 93 | 49% | 95 | 51% | 0 | |
| JE Jefferson East | 876 | 443 | 52% | 399 | 47% | 2 | 372 | 44% | 474 | 56% | 0 | |
| JW Jefferson West | 640 | 357 | 57% | 268 | 43% | 0 | 311 | 50% | 316 | 50% | 0 | |
| LB Liberty | 369 | 241 | 70% | 103 | 30% | 1 | 224 | 64% | 126 | 36% | 1 | |
| LN Lincoln | 72 | 35 | 55% | 29 | 45% | 0 | 27 | 39% | 43 | 61% | 0 | |
| MD Madison | 168 | 94 | 61% | 61 | 39% | 0 | 74 | 46% | 88 | 54% | 0 | |
| MN Monroe | 187 | 100 | 55% | 81 | 45% | 1 | 90 | 49% | 92 | 51% | 0 | |
| NP Newport | 868 | 471 | 59% | 329 | 41% | 0 | 444 | 54% | 372 | 46% | 0 | |
| NL01 Comm Center | 1,217 | 659 | 57% | 500 | 43% | 0 | 626 | 54% | 531 | 46% | 1 | |
| NL02 Council | 1,064 | 589 | 57% | 438 | 43% | 0 | 516 | 50% | 512 | 50% | 1 | |
| OX Oxford | 516 | 311 | 65% | 169 | 35% | 2 | 269 | 55% | 218 | 45% | 1 | |
| PN Penn | 902 | 553 | 63% | 327 | 37% | 0 | 526 | 60% | 353 | 40% | 0 | |
| PV Pleasant Valley | 99 | 57 | 63% | 33 | 37% | 0 | 48 | 49% | 49 | 51% | 0 | |
| SC Scott | 437 | 256 | 62% | 156 | 38% | 0 | 229 | 55% | 190 | 45% | 0 | |
| SN Sharon | 191 | 84 | 46% | 100 | 54% | 0 | 72 | 39% | 113 | 61% | 0 | |
| SO Solon | 501 | 315 | 68% | 148 | 32% | 0 | 285 | 61% | 181 | 39% | 0 | |
| TF Tiffin | 450 | 285 | 66% | 148 | 34% | 1 | 270 | 62% | 167 | 38% | 0 | |
| UN Union | 246 | 144 | 65% | 77 | 35% | 0 | 122 | 53% | 108 | 47% | 0 | |
| UH Univ. Heights | 307 | 203 | 69% | 93 | 31% | 0 | 189 | 65% | 104 | 35% | 0 | |
| WS Washington | 254 | 106 | 44% | 135 | 56% | 0 | 89 | 36% | 159 | 64% | 0 | |
| WL West Lucas | 307 | 194 | 65% | 105 | 35% | 1 | 190 | 63% | 111 | 37% | 1 | |
| Precinct | Total Voters | Mauro | % | Hanusa | % | W-I | O'Brien | % | Northey | % | W-I | |
| Total outside IC | 15,447 | 8,908 | 61% | 5,788 | 39% | 17 | 8,126 | 55% | 6,701 | 45% | 11 | |
| EARLY VOTING (Abs) | 15,132 | 11006 | 76% | 3532 | 24% | 14 | 10,996 | 76% | 3,548 | 24% | 8 | |
| Precinct | Total Voters | Mauro | % | Hanusa | % | W-I | O'Brien | % | Northey | % | W-I | |
| TOTAL | 44,292 | 29,128 | 69% | 13,098 | 31% | 56 | 27,995 | 66% | 14,444 | 34% | 35 | |