| District ID | 4th District |
| Representative | Steven Horsford |
| Party Affiliation | Democrat |
| Partisan Voting Index (PVI) | D+3 |
| 89447 |
| 89444 |
| 89430 |
| 89427 |
| 89422 |
| 89420 |
| 89415 |
| 89409 |
| 89406 |
| 89314 |
| 89191 |
| 89166 |
| 89165 |
| 89161 |
| 89156 |
| 89149 |
| 89146 |
| 89143 |
| 89131 |
| 89130 |
| 89129 |
| 89124 |
| 89115 |
| 89108 |
| 89107 |
| 89106 |
| 89102 |
| 89101 |
| 89086 |
| 89085 |
| 89084 |
| 89081 |
| 89070 |
| 89061 |
| 89060 |
| 89049 |
| 89048 |
| 89047 |
| 89045 |
| 89043 |
| 89042 |
| 89040 |
| 89034 |
| 89033 |
| 89032 |
| 89031 |
| 89030 |
| 89027 |
| 89025 |
| 89023 |
| 89022 |
| 89021 |
| 89020 |
| 89018 |
| 89017 |
| 89013 |
| 89011 |
| 89010 |
| 89008 |
| 89007 |
| 89005 |
| 89003 |
| 89001 |