Ellicott City, MD ZIP Codes
2 ZIP codes serve Ellicott City, Maryland: 21043 and 21042. Together they are home to 91,852 residents in 32,667 households. Median household income ranges from $148,125 in 21043 to $190,061 in 21042.
Ellicott City Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 75,257 |
| Households | 26,919 |
| Median household income | $156,964 |
| Median home value | $661,700 |
| Median age | 43.2 |
| Median rent | $2,061 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 91,852 |
| Households (sum of ZIP codes) | 32,667 |
| Median household income, range across ZIP codes | $148,125 (21043) to $190,061 (21042) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $167,508 |
| Homeowners | 75.1% |
| Households with kids under 18 | 39.8% |
| Moved in the past year | 10.5% |
| Carrier routes in EDDM2GO's route library | 57 routes, 35,031 homes (2 of 2 ZIP codes) |
Top facts
- Highest median household income in Ellicott City: 21042 ($190,061)
- Most residents: 21043 (48,525 people)
- Highest homeownership: 21042 (84.7% own their home)
- Most households with kids: 21042 (40.2% of households)
- Most new movers: 21043 (12.0% moved in last year)
- Youngest median age: 21043 (40.3 years)
- Highest median home value: 21042 ($706,400)
Every ZIP code in Ellicott City
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 21043 | Ellicott City | 48,525 | 17,568 | $148,125 | $620,900 | 66.9% | 39.4% | 12.0% | 28 | 19,734 | 72% of its land; mailing city |
| 21042 | Ellicott City | 43,327 | 15,099 | $190,061 | $706,400 | 84.7% | 40.2% | 8.9% | 29 | 16,954 | 44% of its land; mailing city |
A ZIP code is listed for Ellicott City when at least 10% of its land lies inside the Ellicott City Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Ellicott City. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Ellicott City.
Counties
- Howard County — 24 ZIP codes
- Baltimore County — 54 ZIP codes
Nearby cities sharing these ZIP codes
- Ilchester — 2 ZIP codes
Price a mailing to Ellicott City ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Ellicott City, MD?
- 21043 and 21042. A ZIP code is listed for Ellicott City when at least 10% of its land lies inside the Ellicott City Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Ellicott City.
- What is the population of Ellicott City, MD?
- The Census Bureau counts 75,257 residents inside Ellicott City Census-designated place (ACS 2020–2024). The 2 ZIP codes that serve Ellicott City hold 91,852 residents in all.
- What is the median household income in Ellicott City, MD?
- $156,964 inside Ellicott City Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $148,125 to $190,061.
- Which Ellicott City ZIP code has the highest median household income?
- 21042, at $190,061, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Ellicott City, MD?
- For the 2 of 2 ZIP codes in EDDM2GO's stored route library: 57 carrier routes reaching 35,031 residential and 1,656 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.