Oldest ZIP codes in Wilmington, DE

These are the 10 ZIP codes in Wilmington, DE with the highest median age, out of 10 with at least 1,000 residents. 19807 (Wilmington, 54.0), 19806 (Wilmington, 50.3) and 19803 (Wilmington, 46.4) lead the list. There is no single "best" ZIP code in Wilmington; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

Oldest ZIP codes in Wilmington

RankZIPMailing cityMedian ageResidentsHouseholdsResidential mailboxes
119807Wilmington54.0 ±4.47,8153,5553,831
219806Wilmington50.3 ±4.59,7776,0336,349
319803Wilmington46.4 ±2.422,2798,6798,959
419810Wilmington45.3 ±1.626,53010,65510,813
519808Wilmington42.6 ±1.539,08215,54416,695
619804Wilmington41.5 ±1.918,7797,6777,432
719809Wilmington38.6 ±3.414,3116,1216,605
819802Wilmington36.8 ±2.326,05110,47810,665
919805Wilmington35.5 ±1.441,40215,72216,115
1019801Wilmington35.3 ±2.116,3278,1509,442

How we ranked them

Ranked by median age of all residents, highest first (ACS 5-year estimates, 2020–2024). ZIP codes need at least 1,000 residents to be ranked; 10 of 10 qualify.

Which of these to mail, and why

Older ZIP codes respond to health care, hearing and vision, Medicare plans, home safety, estate planning and services that come to the door.

The top five ZIP codes on this list hold 44,466 households, on 103 carrier routes with 46,647 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

More rankings

Businesses that mail these ZIP codes

Map it and price it

EDDM guides

Frequently asked questions

Which ZIP code in Wilmington has the highest median age?
19807 (Wilmington), at 54.0 (±4.4), among 10 ZIP codes with at least 1,000 residents.
How is this ranking calculated?
Ranked by median age of all residents, highest first (ACS 5-year estimates, 2020–2024).
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.