Which ZIP code in New Castle County has the highest median home value?

19807 (Wilmington), at $936,900 (±$48,536), among 23 ZIP codes with at least 1,000 residents.

Why are some ZIP codes missing?

ZIP codes with fewer than 1,000 residents are left out because their survey estimates swing too much to rank, and so are ZIP codes where the Census Bureau did not publish this figure.

ZIP codes with the highest home values in New Castle County, DE

These are the 23 ZIP codes in New Castle County with the highest median home value, out of 23 with at least 1,000 residents. 19807 (Wilmington, $936,900), 19707 (Hockessin, $556,600) and 19709 (Middletown, $470,900) lead the list. There is no single "best" ZIP code in New Castle County; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

ZIP codes with the highest home values in New Castle County

Rank	ZIP	Mailing city	Median home value	Residents	Households	Residential mailboxes
1	19807	Wilmington	$936,900 ±$48,536	7,815	3,555	3,831
2	19707	Hockessin	$556,600 ±$20,078	17,376	6,448	6,591
3	19709	Middletown	$470,900 ±$16,203	53,234	18,608	21,477
4	19803	Wilmington	$457,200 ±$12,364	22,279	8,679	8,959
5	19810	Wilmington	$440,600 ±$6,838	26,530	10,655	10,813
6	19734	Townsend	$430,700 ±$17,659	14,214	4,534	5,064
7	19711	Newark	$398,900 ±$15,200	49,432	18,815	21,334
8	21912	Warwick	$391,700 ±$114,161	1,536	696	466
9	19806	Wilmington	$386,000 ±$21,227	9,777	6,033	6,349
10	19938	Clayton	$381,000 ±$35,434	9,561	3,159	3,561
11	19701	Bear	$372,500 ±$15,766	42,984	16,599	16,507
12	19702	Newark	$346,100 ±$11,509	55,683	21,252	21,813
13	19977	Smyrna	$341,000 ±$12,865	27,704	9,322	11,076
14	19808	Wilmington	$337,800 ±$7,693	39,082	15,544	16,695
15	19809	Wilmington	$314,900 ±$15,518	14,311	6,121	6,605
16	19713	Newark	$292,600 ±$11,551	30,747	12,526	13,188
17	19703	Claymont	$284,700 ±$13,227	15,460	6,974	7,192
18	19720	New Castle	$265,000 ±$8,823	62,392	23,641	23,179
19	19804	Wilmington	$264,100 ±$8,924	18,779	7,677	7,432
20	19706	Delaware City	$263,000 ±$20,720	2,038	758	—
21	19805	Wilmington	$237,100 ±$8,991	41,402	15,722	16,115
22	19801	Wilmington	$199,900 ±$20,651	16,327	8,150	9,442
23	19802	Wilmington	$194,600 ±$13,994	26,051	10,478	10,665

How we ranked them

Ranked by median value of owner-occupied homes as reported by owners (ACS 5-year estimates, 2020–2024). Published medians are capped at $2,000,000. ZIP codes need at least 1,000 residents to be ranked; 23 of 32 qualify.

Which of these to mail, and why

Home value tracks what owners spend on the house itself: renovations, landscaping, pest control, security, interior design. Pair it with the homeowner share so the mailer reaches owners, not tenants.

The top five ZIP codes on this list hold 47,945 households, on 105 carrier routes with 51,671 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 19807 on the EDDM route map

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Businesses that mail these ZIP codes

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Frequently asked questions

Which ZIP code in New Castle County has the highest median home value?: 19807 (Wilmington), at $936,900 (±$48,536), among 23 ZIP codes with at least 1,000 residents.
How is this ranking calculated?: Ranked by median value of owner-occupied homes as reported by owners (ACS 5-year estimates, 2020–2024). Published medians are capped at $2,000,000.
Why are some ZIP codes missing?: ZIP codes with fewer than 1,000 residents are left out because their survey estimates swing too much to rank, and so are ZIP codes where the Census Bureau did not publish this figure.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.