Cost of Living in New Castle County, DE

Modeled annual cost: $57,784.

Median family income: $112,402.

Affordability Snapshot

DE County Median

$53,932

State Rank

1thMost expensive counties in DE out of 3See Delaware county rankings

Median Income

$112,402

Location Type

Metro

Biggest category:

Housing is the biggest expense in New Castle County, DE.

$15,975 per year.

Cost breakdown

Total

$57,784

Per year

  • Housing:$15,975
  • Transport:$12,590
  • Taxes:$12,360
  • Other Costs:$6,346
  • Healthcare:$6,048
  • Food:$4,466
  • Childcare:$0

* Percentages may not add up to 100% due to rounding.

Cheaper counties in Delaware

1Sussex County, DE
$51,950
2Kent County, DE
$53,932

Popular comparisons in Delaware

See how New Castle County, DE compares across the country.

Explore our cost of living interactive map to compare New Castle County, DE with multiple counties in the United States.

Use the Cost of Living Map Launch WatchPennies cost of living map
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Cost of Living in New Castle County, DE (2026)