Sandy Hook, MD ZIP Codes
One ZIP code serves Sandy Hook, Maryland: 21758. Together they are home to 4,409 residents in 1,588 households. That is more than the 165 people counted inside Sandy Hook Census-designated place, because these ZIP codes reach past its boundary.
Sandy Hook Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 165 |
| Households | 67 |
| Median household income | $61,655 |
| Median home value | not published |
| Median age | 31.4 |
| Median rent | not published |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 4,409 |
| Households (sum of ZIP codes) | 1,588 |
| Median household income, range across ZIP codes | $111,528 (21758) to $111,528 (21758) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $111,528 |
| Homeowners | 84.4% |
| Households with kids under 18 | 32.6% |
| Moved in the past year | 6.4% |
| Carrier routes in EDDM2GO's route library | 4 routes, 1,841 homes (1 of 1 ZIP codes) |
Every ZIP code in Sandy Hook
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 21758 | Knoxville | 4,409 | 1,588 | $111,528 | $424,600 | 84.4% | 32.6% | 6.4% | 4 | 1,869 | 1% of its land |
A ZIP code is listed for Sandy Hook when at least 10% of its land lies inside the Sandy Hook Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Sandy Hook. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Sandy Hook.
Counties
- Frederick County — 33 ZIP codes
Nearby cities sharing these ZIP codes
- Brunswick — 2 ZIP codes
Price a mailing to Sandy Hook ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Sandy Hook, MD?
- 21758. A ZIP code is listed for Sandy Hook when at least 10% of its land lies inside the Sandy Hook Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Sandy Hook.
- What is the population of Sandy Hook, MD?
- The Census Bureau counts 165 residents inside Sandy Hook Census-designated place (ACS 2020–2024). The 1 ZIP code that serve Sandy Hook hold 4,409 residents in all.
- What is the median household income in Sandy Hook, MD?
- $61,655 inside Sandy Hook Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $111,528 to $111,528.
- How many carrier routes and mailboxes are in Sandy Hook, MD?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 4 carrier routes reaching 1,841 residential and 28 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.