Rockville, MD ZIP Codes
4 ZIP codes serve Rockville, Maryland: 20850, 20852, 20853 and 20851. Together they are home to 145,330 residents in 57,749 households. That is more than the 67,671 people counted inside Rockville city limits, because these ZIP codes reach past its boundary. Median household income ranges from $122,472 in 20852 to $159,080 in 20853.
Rockville city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 67,671 |
| Households | 26,976 |
| Median household income | $128,649 |
| Median home value | $682,300 |
| Median age | 39.6 |
| Median rent | $2,274 |
All 4 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 145,330 |
| Households (sum of ZIP codes) | 57,749 |
| Median household income, range across ZIP codes | $122,472 (20852) to $159,080 (20853) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $130,242 |
| Homeowners | 54.3% |
| Households with kids under 18 | 27.7% |
| Moved in the past year | 15.0% |
| Carrier routes in EDDM2GO's route library | 137 routes, 63,146 homes (4 of 4 ZIP codes) |
Top facts
- Highest median household income in Rockville: 20853 ($159,080)
- Most residents: 20850 (50,353 people)
- Highest homeownership: 20853 (86.0% own their home)
- Most households with kids: 20853 (39.3% of households)
- Most new movers: 20852 (19.3% moved in last year)
- Youngest median age: 20852 (38.5 years)
- Highest median home value: 20850 ($714,400)
Every ZIP code in Rockville
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 20850 | Rockville | 50,353 | 21,159 | $125,950 | $714,400 | 50.3% | 25.8% | 18.0% | 46 | 25,821 | 54% of its land; mailing city |
| 20852 | Rockville | 48,180 | 21,743 | $122,472 | $665,200 | 43.4% | 23.1% | 19.3% | 49 | 27,600 | 31% of its land; mailing city |
| 20853 | Rockville | 31,851 | 9,692 | $159,080 | $631,900 | 86.0% | 39.3% | 5.4% | 29 | 10,029 | mailing city |
| 20851 | Rockville | 14,946 | 5,155 | $126,411 | $568,900 | 57.5% | 32.8% | 11.2% | 13 | 5,170 | 81% of its land; mailing city |
A ZIP code is listed for Rockville when at least 10% of its land lies inside Rockville city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Rockville. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Rockville.
Counties
- Montgomery County — 48 ZIP codes
Nearby cities sharing these ZIP codes
- North Potomac — 2 ZIP codes
- Travilah — 2 ZIP codes
- North Bethesda — 6 ZIP codes
- Aspen Hill — 2 ZIP codes
- Olney — 5 ZIP codes
Price a mailing to Rockville ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Rockville, MD?
- 20850, 20852, 20853 and 20851. A ZIP code is listed for Rockville when at least 10% of its land lies inside Rockville city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Rockville.
- What is the population of Rockville, MD?
- The Census Bureau counts 67,671 residents inside Rockville city limits (ACS 2020–2024). The 4 ZIP codes that serve Rockville hold 145,330 residents in all.
- What is the median household income in Rockville, MD?
- $128,649 inside Rockville city limits, per the Census Bureau. Across its ZIP codes the medians run from $122,472 to $159,080.
- Which Rockville ZIP code has the highest median household income?
- 20853, at $159,080, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Rockville, MD?
- For the 4 of 4 ZIP codes in EDDM2GO's stored route library: 137 carrier routes reaching 63,146 residential and 5,536 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.