New Castle County, DE

Population: 573,030 · Median Income: $89,901 · 426 sq mi

Population

573,030

Median Income

$89,901

Median Home Value

$329,800

Unemployment

4.9%

Median Age

39.2 yrs

Poverty Rate

10.2%

Median Rent

$1,379/mo

Land Area

426 sq mi

Cities

2024 Lean

D+32.6%

New Castle County is a county in Delaware with a population of 573,030. The median household income is $89,901. The median home value is $329,800. The unemployment rate is 4.9%. The median age is 39.2 years. There are 28 cities in New Castle County.

Explore New Castle County Data

🗳️ Elections & Voting 👥 Demographics & Population 💵 Income & Poverty 🏠 Housing & Real Estate 💼 Employment & Commuting

2024 Election Results

Source: County Election Data

Winner

Democrat

Dem Votes

180,700

65.5%

GOP Votes

90,868

32.9%

Total Votes

275,917

View full election history →

Cities in New Castle County

Source: Census Bureau