City profile · Small Town

New Castle, Delaware

Reviewed Oct 17, 2026

Who leads New Castle, with the evidence behind the record.

City leadership

Leader: Valerie Leary
Role: Mayor
Form of government: Mayor
Population: 4,862; Census Bureau estimate
Last verified: Oct 17, 2026; Confirmed by a reviewer against a source
Last checked: Oct 17, 2026; The check matched the published record

Source & verification

Verification source
newcastlede.gov ↗
Official leadership page
Not found yet
City website
newcastlede.gov ↗

“Last checked” is when we last looked at the source. “Last verified” is when the record was last confirmed. A page we couldn't read never counts as a verification.

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Record history

Published records only. Possible changes still under review are not shown here.

Leaders on record

Valerie Leary Current
Mayor · added Oct 17, 2026 · verified Oct 17, 2026

Reviewed changes

No reviewer-published changes yet.

Demographics

Census Bureau data for the city

Population: 4,862
Median household income: $95,884
Median age: 49.2
Land area: 3.48 sq mi
Population density: 1,397.1 per sq mi
County: New Castle County
Metro area: Philadelphia-Camden-Wilmington, PA-NJ-DE-MD

City government

Budget and contact

Annual budget: ~$17M
Official website: newcastlede.gov ↗

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