ZIP code 21046
Where is ZIP code 21046?
Columbia, Maryland
Howard County · Standard ZIP code
ZIP code 21046 belongs to Columbia, Maryland in Howard County. 21046 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 227, 240, 301, 410, 443 and 667. About 15,608 people live in the 21046 area, where the median household income is $127,813. The closest ZIP codes are 20723 (Laurel, 2.2 mi south), 21045 (Columbia, 2.7 mi northeast) and 20763 (Savage, 2.8 mi southeast).
| ZIP code | 21046 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Columbia |
| State | Maryland (MD) |
| County | Howard County |
| Time zone | Eastern Time · now |
| Area codes | 227, 240, 301, 410, 443, 667 |
| Coordinates | 39.1702, -76.8538 map |
| 3-digit prefix | 210 |
Population and income in 21046
| Population | 15,608 · higher than 69% of Maryland ZIP codes |
|---|---|
| People per square mile | 1,998 · higher than 75% of Maryland ZIP codes |
| Median age | 37.3 years · lower than 78% of Maryland ZIP codes |
| Men / women | 50% / 51% |
| Median household income | $127,813 · higher than 68% of Maryland ZIP codes |
| Income per person | $61,404 |
| Below the poverty line | 8.4% |
| Bachelor’s degree or higher | 62% of adults 25+ |
| Median home value | $479,500 · higher than 65% of Maryland ZIP codes |
| Median rent | $2,131 a month |
| Housing units | 6,382 |
| Households | 6,165 (2.52 people on average) |
| Owners / renters | 65% / 35% |
| Land area | 7.81 sq mi (plus 0.06 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 21046. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 21046
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 20723 | Laurel, MD | 2.2 mi S | Standard |
| 21045 | Columbia, MD | 2.7 mi NE | Standard |
| 20763 | Savage, MD | 2.8 mi SE | Standard |
| 21044 | Columbia, MD | 3.3 mi NW | Standard |
| 20794 | Jessup, MD | 3.6 mi SE | Standard |
| 20701 | Annapolis Junction, MD | 3.9 mi SE | Standard |
| 20759 | Fulton, MD | 4.3 mi W | Standard |
| 20707 | Laurel, MD | 4.4 mi S | Standard |
| 20709 | Laurel, MD | 4.9 mi S | PO Box only |
| 20725 | Laurel, MD | 4.9 mi S | PO Box only |
| 20726 | Laurel, MD | 4.9 mi S | PO Box only |
| 20797 | Southern Md Facility, MD | 5.5 mi S | Unique |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21046 or measure the distance to another ZIP code.
How to address mail to 21046
123 MAIN ST
COLUMBIA MD 21046
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (21046-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Columbia, MD
All Columbia ZIP codes with population and income →
Questions
- What city is ZIP code 21046?
- 21046 is a Columbia, Maryland ZIP code.
- What county is 21046 in?
- ZIP code 21046 is in Howard County, Maryland.
- What time zone is ZIP code 21046 in?
- 21046 is in the Eastern Time zone (America/New_York).
- What area code is 21046?
- Phone numbers in ZIP code 21046 use area codes 227, 240, 301, 410, 443 and 667.
- What is the population of ZIP code 21046?
- About 15,608 people live in ZIP code 21046, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 21046?
- The median household income in 21046 is $127,813 a year, higher than 68% of Maryland ZIP codes.
- What ZIP codes are near 21046?
- The nearest ZIP codes to 21046 are 20723 (Laurel, 2.2 miles), 21045 (Columbia, 2.7 miles), 20763 (Savage, 2.8 miles) and 21044 (Columbia, 3.3 miles).