Delaware's 21st Senate district
| Delaware's 21st State Senate district | |||
|---|---|---|---|
| Senator |
| ||
| Registration | 42.1% Republican 34.8% Democratic 23.1% No party preference | ||
| Demographics | 70% White 18% Black 9% Hispanic 1% Asian 2% Other | ||
| Population (2018) | 42,674 | ||
| Registered voters | 29,696 | ||
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Delaware's 21st Senate district is one of 21 districts in the Delaware Senate. It has been represented by Republican Bryant Richardson since his 2014 defeat of Democrat Robert Venables Sr. It is the most Republican-leaning district in the Senate.