Dundalk, MD ZIP Codes
2 ZIP codes serve Dundalk, Maryland: 21222 and 21224. Together they are home to 106,872 residents in 43,474 households. That is more than the 65,969 people counted inside Dundalk Census-designated place, because these ZIP codes reach past its boundary. Median household income ranges from $64,141 in 21222 to $89,017 in 21224.
Dundalk Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 65,969 |
| Households | 25,154 |
| Median household income | $64,520 |
| Median home value | $212,700 |
| Median age | 37.2 |
| Median rent | $1,473 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 106,872 |
| Households (sum of ZIP codes) | 43,474 |
| Median household income, range across ZIP codes | $64,141 (21222) to $89,017 (21224) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $76,136 |
| Homeowners | 61.8% |
| Households with kids under 18 | 27.2% |
| Moved in the past year | 13.9% |
| Carrier routes in EDDM2GO's route library | 80 routes, 47,511 homes (2 of 2 ZIP codes) |
Top facts
- Highest median household income in Dundalk: 21224 ($89,017)
- Most residents: 21222 (59,407 people)
- Highest homeownership: 21222 (64.9% own their home)
- Most households with kids: 21222 (30.5% of households)
- Most new movers: 21224 (16.6% moved in last year)
- Youngest median age: 21224 (34.3 years)
- Highest median home value: 21224 ($295,200)
Every ZIP code in Dundalk
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 21222 | Dundalk | 59,407 | 22,512 | $64,141 | $215,900 | 64.9% | 30.5% | 11.7% | 40 | 24,160 | 89% of its land; mailing city |
| 21224 | Baltimore | 47,465 | 20,962 | $89,017 | $295,200 | 58.5% | 23.6% | 16.6% | 40 | 26,479 | 27% of its land |
A ZIP code is listed for Dundalk when at least 10% of its land lies inside the Dundalk Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Dundalk. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Dundalk.
Counties
- Baltimore County — 54 ZIP codes
- Baltimore city County — 26 ZIP codes
Nearby cities sharing these ZIP codes
- Baltimore — 28 ZIP codes
EDDM service areas in Dundalk
Price a mailing to Dundalk ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Dundalk, MD?
- 21222 and 21224. A ZIP code is listed for Dundalk when at least 10% of its land lies inside the Dundalk Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Dundalk.
- What is the population of Dundalk, MD?
- The Census Bureau counts 65,969 residents inside Dundalk Census-designated place (ACS 2020–2024). The 2 ZIP codes that serve Dundalk hold 106,872 residents in all.
- What is the median household income in Dundalk, MD?
- $64,520 inside Dundalk Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $64,141 to $89,017.
- Which Dundalk ZIP code has the highest median household income?
- 21224, at $89,017, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Dundalk, MD?
- For the 2 of 2 ZIP codes in EDDM2GO's stored route library: 80 carrier routes reaching 47,511 residential and 3,128 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.