Home values, rents and more in New Castle County, DE
September 2026 figures from Zillow and the U.S. Census Bureau · updated 2026-11-07
Open New Castle County, DE in ProMap- Under $310k
- $310k–$360k
- $360k–$380k
- $380k–$490k
- $490k+
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How New Castle County, DE compares
The typical home in New Castle County, DE is worth about $366,000, according to the Zillow Home Value Index for September 2026. Home values in New Castle County, DE are 5% below the typical value in the Philadelphia metro area ($386,000) and about the same as the U.S. typical value ($366,000).
Over the past year, home values in New Castle County, DE rose 1.4%, compared with +2.5% in the Philadelphia metro area and +1.2% nationally.
Typical rent is $1,863 a month (Zillow Observed Rent Index), about the same as the Philadelphia metro area ($1,903) and 4% below the U.S. ($1,932). Rents rose 3.2% over the past year.
The median household income is $91,166, against $91,289 in the Philadelphia metro area and $80,734 in the U.S. (Census Bureau, American Community Survey 2020–24).
About 588,026 people live in New Castle County, DE (Census Bureau estimate for July 2025).
New Castle County, DE has the 5th-lowest typical home value of the 11 counties in the Philadelphia metro area and the lowest of 3 in Delaware with Zillow figures.
Part of: Philadelphia metro area · Delaware
More for New Castle County, DE in ProMap Plus
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- 5- and 10-year price changes
- Days on market and months of supply
- Price cuts and sale-to-list ratio
- Price-to-income and monthly cost to buy
- School test scores
- Flood, wildfire and natural hazard risk
- Property-tax rate
- Unemployment and job growth
- Building permits
- Mortgage delinquency
- 2024 presidential vote
- Age, education and household make-up
- Amenities and transit nearby
Nearby counties
Cities in New Castle County, DE
- Wilmington, DE $327,000
- Newark, DE $364,000
- Middletown, DE $534,000
- Bear, DE $412,000
- Hockessin, DE $609,000
- Claymont, DE $325,000
- Elsmere, DE $237,000
- New Castle, DE $277,000
- Townsend, DE $498,000
- Delaware City, DE $293,000
- Bellefonte, DE $303,000
- Newport, DE $254,000
- Arden, DE $354,000
- Odessa, DE $400,000
- Ardentown, DE $404,000
- Ardencroft, DE $398,000
ZIP codes in New Castle County, DE
- 19701 · Bear $419,000
- 19702 · Newark $351,000
- 19703 · Claymont $325,000
- 19706 · Delaware City $294,000
- 19707 · Hockessin $605,000
- 19709 · Middletown $536,000
- 19711 · Newark $424,000
- 19713 · Newark $316,000
- 19720 · New Castle $277,000
- 19730 · Odessa $405,000
- 19731 · Port Penn $293,000
- 19732 · Rockland $753,000
- 19733 · New Castle $310,000
- 19734 · Townsend $486,000
- 19801 · Wilmington $178,000
- 19802 · Wilmington $199,000
- 19803 · Wilmington $513,000
- 19804 · Wilmington $276,000
- 19805 · Wilmington $216,000
- 19806 · Wilmington $361,000
- 19807 · Wilmington $1,109,000
- 19808 · Wilmington $369,000
- 19809 · Wilmington $319,000
- 19810 · Wilmington $466,000
Sources
Home values: Zillow Home Value Index (ZHVI), all homes, middle tier, smoothed and seasonally adjusted, September 2026. Rents: Zillow Observed Rent Index (ZORI), seasonally adjusted. Population: Census population estimates (July 2025) for states, metros and counties; ACS 2020–24 for cities and ZIP codes. Income: U.S. Census Bureau, ACS 2020–24 5-year estimates. Boundaries: U.S. Census Bureau cartographic boundary files. Compiled by Home Economics.
"Typical" is Zillow's middle-tier value (homes between the 35th and 65th percentiles), not a median sale price. Changes are over the 12 months to September 2026.