The Ballot Brief
New Castle County, Delaware

Delaware Senate District 7

See where Mantzavinos and Rowe stand on housing, taxes and schools. Names follow official New Castle County election filings. Certified results will appear here once the election office certifies the count. Delaware certifies the general election by November 5, 2026; county canvasses are due November 5. Official results: elections.delaware.gov/results/enr/GE2026.html.

About this race

Spiros Mantzavinos (Democratic), Chris Rowe (Republican) are on the November 3, 2026 ballot for Delaware Senate District 7. Spiros Mantzavinos is the sitting member, per the Delaware General Assembly's own member roster. Candidates are from the Delaware Department of Elections' certified general-election candidate list; Delaware holds a closed primary only where more than one candidate of the same party filed.

What this office does

State legislator. State legislators write and vote on state laws and the state budget, which fund schools, roads, prisons, universities and health programs, and set the rules for local governments and elections. Each member represents one district and serves on committees that shape bills before a floor vote. Terms are two years in most state houses and four in most state senates.

This race. Elected by district: only voters who live in the district see this race on their ballot. The sitting officeholder, Spiros Mantzavinos, is on the ballot.

This list comes from official election records but may be incomplete. It can miss, for example, late or petition candidates and some city, school and district races. Your official sample ballot is the final word.

We use AI to research and write election information. Errors are possible. Verify important details with official sources.

Delaware › New Castle County › Delaware Senate District 7

Who won? The official answer is due by November 5.

Delaware makes results final in three steps.
✓
Done · Nov 3
Votes were cast and counted
Election night totals are a first count, not the final one.
2
Happening now · by Nov 5
New Castle County double-checks its count
The county reviews mail ballots, provisional ballots and any recount, then sends official totals to the state.
3
Next · by Nov 5
Delaware makes it official
The Boards of Canvass certify the result. The winner appears on this page that day.

What local news is reporting

Not official yetUpdated November 5, 2026

This report is cited to the outlet that published it. We do not call races. Official running count: Delaware official results.

Delaware Senate District 7
No report found yet

Reports are checked daily until Delaware certifies on November 5; a certified winner replaces the report on that day.

Spiros Mantzavinos

DemocraticIncumbent

Biography

Spiros Mantzavinos is the Democratic nominee for Delaware Senate District 7 on the November 3, 2026 ballot, per the Delaware Department of Elections' certified general-election candidate list. Spiros Mantzavinos is the sitting member, per the Delaware General Assembly's own member roster.

Chris Rowe

Republican

Top priorities

From the campaign site

  • Property tax relief through caps and voter approval requirements for future increases
  • Education reform directing more authority to principals and expanding school choice
  • Energy affordability, including exiting regional greenhouse gas programs
Biography

Chris Rowe is a Navy veteran who dedicated his career to military service, per his campaign site. He is the Republican candidate for Delaware Senate District 7, facing sitting member Spiros Mantzavinos, per the Delaware Department of Elections' certified general-election candidate list.

Next on the ballotDelaware Senate District 8

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Questions about this race

Who is running for Delaware Senate District 7 in 2026?

2 candidates were tracked for Delaware Senate District 7 on the November 3, 2026 ballot: Spiros Mantzavinos and Chris Rowe. Candidate information follows official New Castle County election filings; verify with the official election office linked below. See where they stand on housing, taxes and schools.

When is the Delaware Senate District 7 election in Delaware?

Election Day was Tuesday, November 3, 2026. Certified results will appear on this page as the election office certifies them. Delaware certifies the general election by November 5, 2026; county canvasses are due November 5. Official results: https://elections.delaware.gov/results/enr/GE2026.html. Voting rules for Delaware are on the Delaware election hub at theballotbrief.com.

How do I see my exact New Castle County ballot?

Enter your ZIP code in the lookup at theballotbrief.com for the statewide and congressional races, or a full street address to add the county, city and district contests for that location.

Who won the Delaware Senate District 7 race?

Not yet reported by the outlets we checked; Delaware certifies on November 5. We do not call races.

Verify this race

Candidate roster from official New Castle County and state election office filings, last verified October 13, 2026. Bios and priorities carry their attribution inline.

Cross-check with the official Delaware election office, or see the full New Castle County sample ballot and your exact ballot by address.

The rest of your New Castle County ballot

40 tracked races in New Castle County, Delaware. Landed here from another county's search? Look up your own ballot below.

Also on the November 3 ballot
Delaware Senate District 9Delaware Senate District 12Delaware Senate District 13See all 40 New Castle County races
Candidate profiles
Spiros Mantzavinos, full profileChris Rowe, full profileOfficial Delaware election office