Cabin John, MD ZIP Codes
3 ZIP codes serve Cabin John, Maryland: 20817, 20818 and 20812. Together they are home to 39,269 residents in 14,352 households. That is more than the 2,179 people counted inside Cabin John Census-designated place, because these ZIP codes reach past its boundary. Median household income ranges from $245,982 in 20818 to $249,332 in 20817.
Cabin John Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 2,179 |
| Households | 874 |
| Median household income | $250,001 |
| Median home value | $1,312,900 |
| Median age | 53.3 |
| Median rent | $3,501 |
All 3 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 39,269 |
| Households (sum of ZIP codes) | 14,352 |
| Median household income, range across ZIP codes | $245,982 (20818) to $249,332 (20817) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $249,193 |
| Homeowners | 82.1% |
| Households with kids under 18 | 36.9% |
| Moved in the past year | 12.8% |
| Carrier routes in EDDM2GO's route library | 41 routes, 15,771 homes (3 of 3 ZIP codes) |
Top facts
- Highest median household income in Cabin John: 20817 ($249,332)
- Most residents: 20817 (37,454 people)
- Highest homeownership: 20818 (95.3% own their home)
- Most households with kids: 20817 (37.1% of households)
- Most new movers: 20817 (13.2% moved in last year)
- Youngest median age: 20817 (45.8 years)
- Highest median home value: 20818 ($1,335,100)
Every ZIP code in Cabin John
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 20817 | Bethesda | 37,454 | 13,660 | $249,332 | $1,183,600 | 81.4% | 37.1% | 13.2% | 38 | 15,639 | 2% of its land |
| 20818 | Cabin John | 1,539 | 593 | $245,982 | $1,335,100 | 95.3% | 31.9% | 5.0% | 2 | 733 | 100% of its land; mailing city |
| 20812 | Glen Echo | 276 | 99 | $213,750 | $1,163,500 | 99.0% | 35.4% | 5.5% | 1 | 123 | 15% of its land |
A ZIP code is listed for Cabin John when at least 10% of its land lies inside the Cabin John Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Cabin John. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Cabin John.
Counties
- Montgomery County — 48 ZIP codes
Nearby cities sharing these ZIP codes
- Bethesda — 7 ZIP codes
- North Bethesda — 6 ZIP codes
- Potomac — 2 ZIP codes
Price a mailing to Cabin John ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Cabin John, MD?
- 20817, 20818 and 20812. A ZIP code is listed for Cabin John when at least 10% of its land lies inside the Cabin John Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Cabin John.
- What is the population of Cabin John, MD?
- The Census Bureau counts 2,179 residents inside Cabin John Census-designated place (ACS 2020–2024). The 3 ZIP codes that serve Cabin John hold 39,269 residents in all.
- What is the median household income in Cabin John, MD?
- $250,001 inside Cabin John Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $245,982 to $249,332.
- Which Cabin John ZIP code has the highest median household income?
- 20817, at $249,332, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Cabin John, MD?
- For the 3 of 3 ZIP codes in EDDM2GO's stored route library: 41 carrier routes reaching 15,771 residential and 724 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.