| Colorado State Senate District ID | 4 |
| Representative | Mark Baisley |
| Party Affiliation | Republican |
| 81253 |
| 81252 |
| 81251 |
| 81244 |
| 81242 |
| 81240 |
| 81236 |
| 81233 |
| 81228 |
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| 81223 |
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| 81201 |
| 81069 |
| 80863 |
| 80860 |
| 80827 |
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| 80475 |
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| 80461 |
| 80456 |
| 80449 |
| 80448 |
| 80440 |
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| 80433 |
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| 80425 |
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| 80138 |
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| 80131 |
| 80127 |
| 80125 |
| 80118 |
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| 80106 |
| 80104 |