Richest ZIP codes in Sussex County, DE
These are the 21 ZIP codes in Sussex County with the highest median household income, out of 21 with at least 1,000 residents. 19930 (Bethany Beach, $125,491), 19971 (Rehoboth Beach, $102,146) and 19967 (Millville, $98,301) lead the list. There is no single "best" ZIP code in Sussex County; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.
Richest ZIP codes in Sussex County
| Rank | ZIP | Mailing city | Median household income | Residents | Households | Residential mailboxes |
|---|---|---|---|---|---|---|
| 1 | 19930 | Bethany Beach | $125,491 ±$20,362 | 3,014 | 1,551 | 4,215 |
| 2 | 19971 | Rehoboth Beach | $102,146 ±$17,093 | 14,886 | 7,587 | 13,429 |
| 3 | 19967 | Millville | $98,301 ±$10,097 | 2,376 | 1,267 | 2,195 |
| 4 | 19958 | Lewes | $97,197 ±$5,256 | 31,938 | 15,233 | 22,799 |
| 5 | 19951 | Harbeson | $95,546 ±$8,996 | 2,245 | 905 | 1,387 |
| 6 | 19970 | Ocean View | $94,103 ±$7,296 | 8,524 | 4,046 | 7,429 |
| 7 | 19939 | Dagsboro | $89,806 ±$13,213 | 7,490 | 3,183 | 3,980 |
| 8 | 19975 | Selbyville | $88,568 ±$11,012 | 10,862 | 5,085 | 8,125 |
| 9 | 19945 | Frankford | $87,638 ±$7,353 | 9,640 | 3,960 | 5,844 |
| 10 | 19968 | Milton | $87,163 ±$9,935 | 15,486 | 6,431 | 8,773 |
| 11 | 21874 | Willards | $78,393 ±$14,091 | 1,693 | 666 | 969 |
| 12 | 19966 | Millsboro | $78,305 ±$3,009 | 35,884 | 15,435 | 20,624 |
| 13 | 19950 | Greenwood | $75,305 ±$12,167 | 7,918 | 3,250 | 2,934 |
| 14 | 19941 | Ellendale | $75,139 ±$22,271 | 3,435 | 1,192 | 1,608 |
| 15 | 19947 | Georgetown | $71,229 ±$7,889 | 20,760 | 6,735 | 8,472 |
| 16 | 19963 | Milford | $71,108 ±$5,106 | 23,500 | 9,880 | 10,040 |
| 17 | 19960 | Lincoln | $67,200 ±$9,148 | 6,774 | 2,306 | 2,792 |
| 18 | 19956 | Laurel | $65,603 ±$5,700 | 16,327 | 6,332 | 6,570 |
| 19 | 19940 | Delmar | $65,024 ±$18,087 | 7,540 | 2,469 | 2,826 |
| 20 | 19973 | Seaford | $64,387 ±$7,347 | 26,834 | 10,266 | 11,201 |
| 21 | 19933 | Bridgeville | $60,703 ±$13,225 | 10,597 | 4,047 | 4,667 |
How we ranked them
Ranked by median household income (ACS 5-year estimates, 2020–2024). The Census Bureau caps published medians at $250,000; ZIP codes at the cap are shown as $250,000+ and ordered by population. ZIP codes need at least 1,000 residents to be ranked; 21 of 23 qualify.
Which of these to mail, and why
Higher-income ZIP codes suit offers with a bigger ticket: remodeling, pools, roofing, financial planning, private schools, premium dining. A median describes the middle household, not every door, so the routes inside each ZIP still vary.
The top five ZIP codes on this list hold 26,543 households, on 61 carrier routes with 44,025 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.
Open 19930 on the EDDM route map
More rankings
- ZIP codes with the highest home values in Sussex County
- ZIP codes with the highest homeownership in Sussex County
- ZIP codes with the most families with kids in Sussex County
- ZIP codes with the most new movers in Sussex County
- Youngest ZIP codes in Sussex County
- Oldest ZIP codes in Sussex County
- Fastest-growing ZIP codes in Sussex County
- All Sussex County ZIP codes
Businesses that mail these ZIP codes
Map it and price it
EDDM guides
Frequently asked questions
- Which ZIP code in Sussex County has the highest median household income?
- 19930 (Bethany Beach), at $125,491 (±$20,362), among 21 ZIP codes with at least 1,000 residents.
- How is this ranking calculated?
- Ranked by median household income (ACS 5-year estimates, 2020–2024). The Census Bureau caps published medians at $250,000; ZIP codes at the cap are shown as $250,000+ and ordered by population.
- 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.