Catonsville, MD ZIP Codes
2 ZIP codes serve Catonsville, Maryland: 21228 and 21250. Together they are home to 53,326 residents in 19,788 households.
Catonsville Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 43,368 |
| Households | 16,423 |
| Median household income | $114,109 |
| Median home value | $416,900 |
| Median age | 39.2 |
| Median rent | $1,724 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 53,326 |
| Households (sum of ZIP codes) | 19,788 |
| Median household income, range across ZIP codes | $112,656 (21228) to $112,656 (21228) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $112,656 |
| Homeowners | 71.0% |
| Households with kids under 18 | 28.0% |
| Moved in the past year | 13.8% |
| Carrier routes in EDDM2GO's route library | 45 routes, 19,846 homes (1 of 2 ZIP codes) |
Top facts
- Most residents: 21228 (50,492 people)
- Most new movers: 21250 (41.0% moved in last year)
- Youngest median age: 21250 (19.9 years)
Every ZIP code in Catonsville
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 21228 | Catonsville | 50,492 | 19,788 | $112,656 | $404,700 | 71.0% | 28.0% | 12.3% | 45 | 21,058 | 77% of its land; mailing city |
| 21250 | Baltimore | 2,834 | 0 | — | — | — | — | 41.0% | — | — | 100% of its land |
A ZIP code is listed for Catonsville when at least 10% of its land lies inside the Catonsville Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Catonsville. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Catonsville.
Counties
- Baltimore County — 54 ZIP codes
- Howard County — 24 ZIP codes
- Baltimore city County — 26 ZIP codes
Nearby cities sharing these ZIP codes
EDDM service areas in Catonsville
Price a mailing to Catonsville ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Catonsville, MD?
- 21228 and 21250. A ZIP code is listed for Catonsville when at least 10% of its land lies inside the Catonsville Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Catonsville.
- What is the population of Catonsville, MD?
- The Census Bureau counts 43,368 residents inside Catonsville Census-designated place (ACS 2020–2024). The 2 ZIP codes that serve Catonsville hold 53,326 residents in all.
- What is the median household income in Catonsville, MD?
- $114,109 inside Catonsville Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $112,656 to $112,656.
- How many carrier routes and mailboxes are in Catonsville, MD?
- For the 1 of 2 ZIP codes in EDDM2GO's stored route library: 45 carrier routes reaching 19,846 residential and 1,211 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.