Income needed to buy a home

New Castle County, DE

$121,413

a year in household income to buy the typical New Castle County home with 10% down.

The monthly math

Typical home value$367,612
Down payment (10%)$36,761
Loan$330,851
Principal and interest (7.40%)$2,291/mo
Property tax (0.72% a year)$221/mo
Homeowners insurance (estimate)$184/mo
Mortgage insurance$138/mo
Total monthly cost$2,833/mo

Income needed keeps housing at 28% of gross income, the lender rule of thumb.

What locals earn

A stretch

The typical household here earns $91,166 a year, 75% of what it takes.

In Delaware

New Castle County ranks #2 of 3 for the income a home takes, from least to most.

Easiest to afford in Delaware

CountyTypical homeIncome needed
Kent County$372,916$119,356
Sussex County$484,777$152,942

Typical home value from the Zillow Home Value Index, August 2026. Rate is the Freddie Mac 30-year average for Oct 8, 2026. Property tax rate is total taxes paid divided by total home value in the county (U.S. Census, ACS 2020-2024). How it works.