Which ZIP code in Kent County has the lowest median age?

19901 (Dover), at 33.6 (±1.7), among 14 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.

Youngest ZIP codes in Kent County, DE

These are the 14 ZIP codes in Kent County with the lowest median age, out of 14 with at least 1,000 residents. 19901 (Dover, 33.6), 19953 (Hartly, 33.6) and 19952 (Harrington, 36.4) lead the list. There is no single "best" ZIP code in Kent County; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

Youngest ZIP codes in Kent County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	19901	Dover	33.6 ±1.7	37,763	13,951	15,350
2	19953	Hartly	33.6 ±6.6	5,255	1,841	1,749
3	19952	Harrington	36.4 ±4.8	10,908	4,451	4,581
4	19977	Smyrna	38.1 ±2.3	27,704	9,322	11,076
5	19934	Camden Wyoming	39.2 ±3.0	14,061	5,186	5,956
6	19938	Clayton	39.4 ±2.7	9,561	3,159	3,561
7	19962	Magnolia	39.7 ±3.4	13,770	5,041	5,417
8	19904	Dover	39.8 ±1.9	38,818	14,986	16,201
9	19964	Marydel	40.5 ±10.5	1,418	631	492
10	19954	Houston	41.2 ±7.6	1,427	630	679
11	19963	Milford	42.7 ±3.3	23,500	9,880	10,040
12	19950	Greenwood	44.9 ±3.7	7,918	3,250	2,934
13	19943	Felton	45.2 ±3.2	13,410	5,394	5,791
14	19946	Frederica	47.7 ±5.5	5,603	2,178	1,915

How we ranked them

Ranked by median age of all residents, lowest first (ACS 5-year estimates, 2020–2024). ZIP codes need at least 1,000 residents to be ranked; 14 of 19 qualify.

Which of these to mail, and why

Younger ZIP codes skew toward renters, students and young families: fitness, quick-service food, apartments, entertainment and first-time-buyer offers.

The top five ZIP codes on this list hold 34,751 households, on 65 carrier routes with 38,712 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 19901 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 Kent County has the lowest median age?: 19901 (Dover), at 33.6 (±1.7), among 14 ZIP codes with at least 1,000 residents.
How is this ranking calculated?: Ranked by median age of all residents, lowest 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.