New Castle County, DE Average Home Price (2026)
The average home price in New Castle County, Delaware is about $361,000 (the 2026 median across 25 ZIP codes, at ~$215/sq ft) — 4% more affordable than the Delaware median and 25% more expensive than the typical U.S. home.
How New Castle County compares
New Castle County is about average for housing nationally: its typical home costs $361,000 against $377,500 for Delaware and $289,000 for the U.S. Within the county, ZIP-level values run from about $178,000 to $1,130,000.
| Area | Typical value | $ / sq ft |
|---|---|---|
| New Castle County | $361,000 | $215 |
| Delaware | $377,500 | $221 |
| United States | $289,000 | $193 |
Cities in New Castle County
Cities with their own home-value page, largest first:
New Castle County home prices by ZIP code
The 15 most valuable ZIP codes in New Castle County (of 25 with data):
| ZIP code | Typical value | $ / sq ft | vs county |
|---|---|---|---|
| 19710 Montchanin | $1,130,000 | $595 | +213% |
| 19807 Wilmington | $1,109,000 | $282 | +207% |
| 19732 Rockland | $753,000 | $175 | +109% |
| 19707 Hockessin | $605,000 | $230 | +68% |
| 19709 Middletown | $536,000 | $215 | +48% |
| 19803 Wilmington | $513,000 | $252 | +42% |
| 19734 Townsend | $486,000 | $208 | +35% |
| 19810 Wilmington | $466,000 | $239 | +29% |
| 19711 Newark | $424,000 | $232 | +17% |
| 19701 Bear | $419,000 | $214 | +16% |
| 19730 Odessa | $405,000 | $135 | +12% |
| 19808 Wilmington | $369,000 | $221 | +2% |
| 19806 Wilmington | $361,000 | $221 | +0% |
| 19702 Newark | $351,000 | $198 | -3% |
| 19703 Claymont | $325,000 | $221 | -10% |
Home value appreciation in New Castle County
Home prices in New Castle County have risen about 72% over the last 10 years (≈5.5% a year) and +62.1% over 20 years, according to the FHFA house price index through 2025. The most recent year came in at +2.8% — still rising. A home worth $361,000 today was worth roughly $210,250 ten years ago.
See where that trend takes a specific home with the home appreciation calculator — statewide, Delaware is +74.2% over the same 10 years. Past appreciation is a track record, not a forecast; local prices can fall.
Calculators for New Castle County
Run the numbers for New Castle County with the local rates already filled in — change any input to test your own situation.
Salary needed to buy a home in New Castle County
To buy the typical $361,000 home in New Castle County with 20% down, you need a household income of roughly $98,000 a year (about $2,290 a month for the mortgage, taxes, and insurance). With 10% down the bar rises to about $117,000, because the loan is bigger and mortgage insurance kicks in.
| Down payment | Cash down | Monthly payment | Income needed |
|---|---|---|---|
| 5% (+PMI) | $18,100 | $2,850/mo | $122,000/yr |
| 10% (+PMI) | $36,100 | $2,720/mo | $117,000/yr |
| 20% | $72,200 | $2,290/mo | $98,000/yr |
Assumes a 30-year fixed mortgage at 6.5%, property tax at 1.1% and insurance at 0.45% of value per year, PMI of 0.75% on loans with less than 20% down, and the standard 28% housing-to-income rule. Your rate, taxes, and HOA will move these — run your own numbers in the mortgage calculator.
What your budget buys in New Castle County
At about $215 per square foot, here is roughly how much home different budgets get you in New Castle County:
| Budget | Approx. size | What that looks like locally |
|---|---|---|
| $200k | 930 sq ft | below the local median — condos, smaller or older homes |
| $250k | 1160 sq ft | below the local median — condos, smaller or older homes |
| $300k | 1400 sq ft | around the typical home here |
| $400k | 1860 sq ft | around the typical home here |
| $500k | 2330 sq ft | above the median — larger homes or the pricier ZIPs |
Wondering where that budget goes further? The relocation calculator ranks hundreds of U.S. cities by what the same money buys — it opens filtered to Delaware.
Estimate a specific home in New Castle County
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New Castle County home prices: frequently asked
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Browse all Delaware cities and counties, or look up price per square foot by ZIP code nationwide.
Directional estimates from public market data (Realtor.com & Zillow research; FHFA house price index; Census ZIP-to-county relationships), not appraisals.