Potomac, MD ZIP Codes
2 ZIP codes serve Potomac, Maryland: 20854 and 20817. Together they are home to 87,952 residents in 30,411 households. That is more than the 45,902 people counted inside Potomac Census-designated place, because these ZIP codes reach past its boundary. Median household income ranges from $249,332 in 20817 to $250,000+ in 20854.
Potomac Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 45,902 |
| Households | 16,316 |
| Median household income | $236,675 |
| Median home value | $1,157,000 |
| Median age | 47.4 |
| Median rent | $2,887 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 87,952 |
| Households (sum of ZIP codes) | 30,411 |
| Median household income, range across ZIP codes | $249,332 (20817) to $250,000+ (20854) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $249,700 |
| Homeowners | 85.8% |
| Households with kids under 18 | 38.0% |
| Moved in the past year | 10.3% |
| Carrier routes in EDDM2GO's route library | 90 routes, 32,799 homes (2 of 2 ZIP codes) |
Top facts
- Highest median household income in Potomac: 20854 ($250,000+)
- Most residents: 20854 (50,498 people)
- Highest homeownership: 20854 (89.4% own their home)
- Most households with kids: 20854 (38.7% of households)
- Most new movers: 20817 (13.2% moved in last year)
- Youngest median age: 20817 (45.8 years)
- Highest median home value: 20817 ($1,183,600)
Every ZIP code in Potomac
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 20854 | Potomac | 50,498 | 16,751 | $250,000+ | $1,165,400 | 89.4% | 38.7% | 8.1% | 52 | 18,224 | 57% of its land; mailing city |
| 20817 | Bethesda | 37,454 | 13,660 | $249,332 | $1,183,600 | 81.4% | 37.1% | 13.2% | 38 | 15,639 | 41% of its land |
A ZIP code is listed for Potomac when at least 10% of its land lies inside the Potomac Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Potomac. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Potomac.
Counties
- Montgomery County — 48 ZIP codes
Nearby cities sharing these ZIP codes
- Travilah — 2 ZIP codes
- Bethesda — 7 ZIP codes
- North Bethesda — 6 ZIP codes
Price a mailing to Potomac ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Potomac, MD?
- 20854 and 20817. A ZIP code is listed for Potomac when at least 10% of its land lies inside the Potomac Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Potomac.
- What is the population of Potomac, MD?
- The Census Bureau counts 45,902 residents inside Potomac Census-designated place (ACS 2020–2024). The 2 ZIP codes that serve Potomac hold 87,952 residents in all.
- What is the median household income in Potomac, MD?
- $236,675 inside Potomac Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $249,332 to $250,000+.
- Which Potomac ZIP code has the highest median household income?
- 20854, at $250,000+, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Potomac, MD?
- For the 2 of 2 ZIP codes in EDDM2GO's stored route library: 90 carrier routes reaching 32,799 residential and 1,092 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.