ZIP code 21133
Where is ZIP code 21133?
Randallstown, Maryland
Baltimore County · Standard ZIP code
ZIP code 21133 belongs to Randallstown, Maryland in Baltimore County. 21133 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area codes 410, 443 and 667. About 31,398 people live in the 21133 area, where the median household income is $80,480. The closest ZIP codes are 21163 (Woodstock, 3 mi southwest), 21244 (Windsor Mill, 3 mi south) and 21208 (Pikesville, 3.8 mi east).
| ZIP code | 21133 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Randallstown |
| Also accepted | Mcdonogh Run |
| State | Maryland (MD) |
| County | Baltimore County |
| Time zone | Eastern Time · now |
| Area codes | 410, 443, 667 |
| Coordinates | 39.3746, -76.8002 map |
| 3-digit prefix | 211 |
Population and income in 21133
| Population | 31,398 · higher than 83% of Maryland ZIP codes |
|---|---|
| People per square mile | 3,504 · higher than 85% of Maryland ZIP codes |
| Median age | 47.1 years · higher than 74% of Maryland ZIP codes |
| Men / women | 47% / 53% |
| Median household income | $80,480 · lower than 77% of Maryland ZIP codes |
| Income per person | $43,002 |
| Below the poverty line | 9.3% |
| Bachelor’s degree or higher | 33% of adults 25+ |
| Median home value | $322,800 · lower than 73% of Maryland ZIP codes |
| Median rent | $1,556 a month |
| Housing units | 12,460 |
| Households | 12,204 (2.52 people on average) |
| Owners / renters | 68% / 32% |
| Land area | 8.96 sq mi (plus 0.01 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 21133. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 21133
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 21163 | Woodstock, MD | 3 mi SW | Standard |
| 21244 | Windsor Mill, MD | 3 mi S | Standard |
| 21208 | Pikesville, MD | 3.8 mi E | Standard |
| 21117 | Owings Mills, MD | 3.8 mi N | Standard |
| 21282 | Pikesville, MD | 4.2 mi E | PO Box only |
| 21207 | Gwynn Oak, MD | 4.7 mi SE | Standard |
| 21153 | Stevenson, MD | 5.3 mi NE | PO Box only |
| 21136 | Reisterstown, MD | 5.9 mi N | Standard |
| 21104 | Marriottsville, MD | 6.7 mi SW | Standard |
| 21209 | Baltimore, MD | 6.7 mi E | Standard |
| 21215 | Baltimore, MD | 6.8 mi E | Standard |
| 21022 | Brooklandville, MD | 7 mi E | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21133 or measure the distance to another ZIP code.
How to address mail to 21133
123 MAIN ST
RANDALLSTOWN MD 21133
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts MCDONOGH RUN as the city name for 21133. Avoid Foxridge: USPS doesn’t recognize it as the city for this ZIP code. Adding the 4-digit ZIP+4 code (21133-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 21133?
- 21133 is a Randallstown, Maryland ZIP code. Mcdonogh Run is also accepted as the city name.
- What county is 21133 in?
- ZIP code 21133 is in Baltimore County, Maryland.
- What time zone is ZIP code 21133 in?
- 21133 is in the Eastern Time zone (America/New_York).
- What area code is 21133?
- Phone numbers in ZIP code 21133 use area codes 410, 443 and 667.
- What is the population of ZIP code 21133?
- About 31,398 people live in ZIP code 21133, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 21133?
- The median household income in 21133 is $80,480 a year, lower than 77% of Maryland ZIP codes.
- What ZIP codes are near 21133?
- The nearest ZIP codes to 21133 are 21163 (Woodstock, 3 miles), 21244 (Windsor Mill, 3 miles), 21208 (Pikesville, 3.8 miles) and 21117 (Owings Mills, 3.8 miles).