Seaford, DE ZIP Codes
One ZIP code serves Seaford, Delaware: 19973. Together they are home to 26,834 residents in 10,266 households. That is more than the 8,485 people counted inside Seaford city limits, because these ZIP codes reach past its boundary.
Seaford city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 8,485 |
| Households | 3,516 |
| Median household income | $54,016 |
| Median home value | $224,300 |
| Median age | 41.1 |
| Median rent | $1,176 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 26,834 |
| Households (sum of ZIP codes) | 10,266 |
| Median household income, range across ZIP codes | $64,387 (19973) to $64,387 (19973) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $64,387 |
| Homeowners | 72.3% |
| Households with kids under 18 | 33.3% |
| Moved in the past year | 9.0% |
| Carrier routes in EDDM2GO's route library | 17 routes, 11,201 homes (1 of 1 ZIP codes) |
Every ZIP code in Seaford
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 19973 | Seaford | 26,834 | 10,266 | $64,387 | $278,300 | 72.3% | 33.3% | 9.0% | 17 | 11,869 | 6% of its land; mailing city |
A ZIP code is listed for Seaford when at least 10% of its land lies inside Seaford city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Seaford. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Seaford.
Counties
- Sussex County — 23 ZIP codes
Price a mailing to Seaford ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Seaford, DE?
- 19973. A ZIP code is listed for Seaford when at least 10% of its land lies inside Seaford city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Seaford.
- What is the population of Seaford, DE?
- The Census Bureau counts 8,485 residents inside Seaford city limits (ACS 2020–2024). The 1 ZIP code that serve Seaford hold 26,834 residents in all.
- What is the median household income in Seaford, DE?
- $54,016 inside Seaford city limits, per the Census Bureau. Across its ZIP codes the medians run from $64,387 to $64,387.
- How many carrier routes and mailboxes are in Seaford, DE?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 17 carrier routes reaching 11,201 residential and 670 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.