Delaware's 1st Senate district
| Delaware's 1st State Senate district | |||
|---|---|---|---|
| Senator |
| ||
| Registration | 59.6% Democratic 18.7% Republican 21.7% No party preference | ||
| Demographics | 65.3% White 22.7% Black 5.1% Hispanic 2.7% Asian 0.9% Other | ||
| Population (2023) | 45,120 | ||
| Registered voters | 33,915 | ||
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Delaware's 1st Senate district is one of 21 districts in the Delaware Senate. It has been represented by Democrat Dan Cruce since 2025, succeeding Democrat Sarah McBride who resigned after being elected to the U.S. House of Representatives.