What is the median home value in New Castle County, DE?

The median home value in New Castle County, DE is $329,800, according to the latest Census ACS 5-Year Estimates.

What is the cap rate in New Castle County, DE?

The cap rate proxy in New Castle County, DE is 6.6% (estimated from HUD Fair Market Rent and Census home values with a 35% expense ratio). This is moderate — deal-by-deal analysis recommended.

How much new construction is happening in New Castle County, DE?

New Castle County has 573,030 residents and issued 1,223 building permits over the trailing twelve months, according to the Census Building Permits Survey.

Philadelphia-Camden-Wilmington, PA-NJ-DE-MD · Delaware

New Castle County

573,030 residents1,223 permits TTM$89,901 median HHI29 ZIP codesUpdated April 28, 2026

Investor first look

Median home value

$329,800

ACS 5-Year

Cap rate proxy

6.6%

FMR × 0.65 ÷ Home Value

Rent-to-income

18.4%

HUD FMR ÷ ACS HHI

Net migration

+1.73%

IRS SOI

Permits (TTM)

1,223

Census BPS

Climate risk

95.3

FEMA NRI (0–100)

ZIP code breakdown29 ZIP codes

ZIP	Median home value	Rent (FMR 2BR)	Gross yield	Cap rate	Rent gap
19802	$201,051	$1,600	9.5%	9.5%	0.6%
19731	$329,800county est.	$2,010	7.3%	5.0%	31.4%
19805	$215,150	$1,550	8.6%	9.0%	-4.6%
19736	$329,800county est.	$2,190	8.0%	5.0%	37.0%
19804	$276,822	$1,580	6.8%	5.9%	12.7%

Ranked by composite score

Median home value	Rent (FMR 2BR)	Gross yield	Cap rate	Rent gap
$177,851	$1,610	10.9%	12.4%	-12.7%
$277,063	$1,640	7.1%	7.2%	-2.6%
$309,956	$1,680	6.5%	6.8%	-5.8%
$413,773	$2,220	6.4%	6.6%	-4.5%
$310,327	$1,780	6.9%	6.4%	5.1%
$347,721	$1,930	6.7%	6.3%	3.8%
$361,795	$1,720	5.7%	6.3%	-12.0%
$414,485	$1,830	5.3%	6.2%	-20.1%
$345,032	$1,740	6.1%	6.2%	-2.9%
$313,475	$1,640	6.3%	6.1%	1.2%
$525,388	$2,010	4.6%	6.0%	-32.0%
$455,295	$1,780	4.7%	5.2%	-13.7%
$329,800county est.	$1,980	7.2%	5.0%	30.4%
$329,800county est.	$1,740	6.3%	5.0%	20.8%
$329,800county est.	$1,750	6.4%	5.0%	21.2%
$329,800county est.	$1,830	6.7%	5.0%	24.6%
$329,800county est.	$1,780	6.5%	5.0%	22.5%
$329,800county est.	$1,780	6.5%	5.0%	22.5%
$329,800county est.	$1,680	6.1%	5.0%	17.9%
$329,800county est.	$2,190	8.0%	5.0%	37.0%
$479,226	$1,900	4.8%	3.4%	27.4%
$494,461	$2,190	5.3%	3.3%	37.0%
$585,096	$2,060	4.2%	2.8%	33.1%
$1,064,762	$2,190	2.5%	1.5%	37.0%

Demographics

Owner-occupied

68.5%

Census ACS

Vacancy rate

5.2%

Census ACS

Bachelor's degree +

39.2%

Census ACS

Rent burdened

44.4%

Census ACS (>30% income)

Median age

39.2

Census ACS

Data sources

U.S. Census Bureau — American Community Survey 5-Year Estimates

U.S. Census Bureau — Building Permits Survey

U.S. Department of Housing and Urban Development — Fair Market Rents / Small Area Fair Market Rents (SAFMR)

Internal Revenue Service — Statistics of Income Migration Data

FEMA — National Risk Index

Last updated: April 28, 2026

New Castle County

See all 29 ZIPs ranked by yield and cap rate