Middle River, MD ZIP Codes
One ZIP code serves Middle River, Maryland: 21220. Together they are home to 42,824 residents in 16,544 households. That is more than the 31,712 people counted inside Middle River Census-designated place, because these ZIP codes reach past its boundary.
Middle River Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 31,712 |
| Households | 12,531 |
| Median household income | $78,398 |
| Median home value | $271,700 |
| Median age | 37.2 |
| Median rent | $1,636 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 42,824 |
| Households (sum of ZIP codes) | 16,544 |
| Median household income, range across ZIP codes | $81,817 (21220) to $81,817 (21220) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $81,817 |
| Homeowners | 68.8% |
| Households with kids under 18 | 31.0% |
| Moved in the past year | 10.9% |
| Carrier routes in EDDM2GO's route library | 27 routes, 18,583 homes (1 of 1 ZIP codes) |
Every ZIP code in Middle River
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 21220 | Middle River | 42,824 | 16,544 | $81,817 | $300,100 | 68.8% | 31.0% | 10.9% | 27 | 19,336 | 52% of its land; mailing city |
A ZIP code is listed for Middle River when at least 10% of its land lies inside the Middle River Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Middle River. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Middle River.
Counties
- Baltimore County — 54 ZIP codes
Nearby cities sharing these ZIP codes
- Bowleys Quarters — 1 ZIP code
Price a mailing to Middle River ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Middle River, MD?
- 21220. A ZIP code is listed for Middle River when at least 10% of its land lies inside the Middle River Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Middle River.
- What is the population of Middle River, MD?
- The Census Bureau counts 31,712 residents inside Middle River Census-designated place (ACS 2020–2024). The 1 ZIP code that serve Middle River hold 42,824 residents in all.
- What is the median household income in Middle River, MD?
- $78,398 inside Middle River Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $81,817 to $81,817.
- How many carrier routes and mailboxes are in Middle River, MD?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 27 carrier routes reaching 18,583 residential and 752 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.