Riverside, MD ZIP Codes
2 ZIP codes serve Riverside, Maryland: 21001 and 21017. Together they are home to 33,816 residents in 13,873 households. That is more than the 6,585 people counted inside Riverside Census-designated place, because these ZIP codes reach past its boundary. Median household income ranges from $83,238 in 21001 to $106,831 in 21017.
Riverside Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 6,585 |
| Households | 2,687 |
| Median household income | $105,785 |
| Median home value | $246,100 |
| Median age | 35.7 |
| Median rent | $1,898 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 33,816 |
| Households (sum of ZIP codes) | 13,873 |
| Median household income, range across ZIP codes | $83,238 (21001) to $106,831 (21017) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $87,777 |
| Homeowners | 65.3% |
| Households with kids under 18 | 30.8% |
| Moved in the past year | 10.8% |
| Carrier routes in EDDM2GO's route library | 21 routes, 15,118 homes (2 of 2 ZIP codes) |
Top facts
- Highest median household income in Riverside: 21017 ($106,831)
- Most residents: 21001 (27,168 people)
- Highest homeownership: 21017 (73.9% own their home)
- Most households with kids: 21017 (31.1% of households)
- Most new movers: 21017 (13.5% moved in last year)
- Youngest median age: 21017 (37.6 years)
- Highest median home value: 21001 ($285,800)
Every ZIP code in Riverside
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 21001 | Aberdeen | 27,168 | 11,204 | $83,238 | $285,800 | 63.3% | 30.7% | 10.2% | 17 | 12,941 | 1% of its land |
| 21017 | Belcamp | 6,648 | 2,669 | $106,831 | $258,300 | 73.9% | 31.1% | 13.5% | 4 | 2,954 | 82% of its land |
A ZIP code is listed for Riverside when at least 10% of its land lies inside the Riverside Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Riverside. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Riverside.
Counties
- Harford County — 22 ZIP codes
Nearby cities sharing these ZIP codes
- Aberdeen — 1 ZIP code
Price a mailing to Riverside ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Riverside, MD?
- 21001 and 21017. A ZIP code is listed for Riverside when at least 10% of its land lies inside the Riverside Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Riverside.
- What is the population of Riverside, MD?
- The Census Bureau counts 6,585 residents inside Riverside Census-designated place (ACS 2020–2024). The 2 ZIP codes that serve Riverside hold 33,816 residents in all.
- What is the median household income in Riverside, MD?
- $105,785 inside Riverside Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $83,238 to $106,831.
- Which Riverside ZIP code has the highest median household income?
- 21017, at $106,831, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Riverside, MD?
- For the 2 of 2 ZIP codes in EDDM2GO's stored route library: 21 carrier routes reaching 15,118 residential and 773 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.