Middletown, DE ZIP Codes
One ZIP code serves Middletown, Delaware: 19709. Together they are home to 53,234 residents in 18,608 households. That is more than the 24,661 people counted inside Middletown town limits, because these ZIP codes reach past its boundary.
Middletown town limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 24,661 |
| Households | 9,013 |
| Median household income | $112,831 |
| Median home value | $409,600 |
| Median age | 38.7 |
| Median rent | $1,583 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 53,234 |
| Households (sum of ZIP codes) | 18,608 |
| Median household income, range across ZIP codes | $132,956 (19709) to $132,956 (19709) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $132,956 |
| Homeowners | 86.2% |
| Households with kids under 18 | 41.0% |
| Moved in the past year | 9.7% |
| Carrier routes in EDDM2GO's route library | 32 routes, 21,477 homes (1 of 1 ZIP codes) |
Every ZIP code in Middletown
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 19709 | Middletown | 53,234 | 18,608 | $132,956 | $470,900 | 86.2% | 41.0% | 9.7% | 32 | 22,364 | 15% of its land; mailing city |
A ZIP code is listed for Middletown when at least 10% of its land lies inside Middletown town limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Middletown. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Middletown.
Counties
- New Castle County — 32 ZIP codes
Price a mailing to Middletown ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Middletown, DE?
- 19709. A ZIP code is listed for Middletown when at least 10% of its land lies inside Middletown town limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Middletown.
- What is the population of Middletown, DE?
- The Census Bureau counts 24,661 residents inside Middletown town limits (ACS 2020–2024). The 1 ZIP code that serve Middletown hold 53,234 residents in all.
- What is the median household income in Middletown, DE?
- $112,831 inside Middletown town limits, per the Census Bureau. Across its ZIP codes the medians run from $132,956 to $132,956.
- How many carrier routes and mailboxes are in Middletown, DE?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 32 carrier routes reaching 21,477 residential and 889 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.