ZIP code 21031
Where is ZIP code 21031?
Hunt Valley, Maryland
Baltimore County · Standard ZIP code
ZIP code 21031 belongs to Hunt Valley, Maryland in Baltimore County. 21031 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 26 people live in the 21031 area. The closest ZIP codes are 21065 (Hunt Valley, 0.5 mi north), 21030 (Cockeysville, 1 mi northwest) and 21093 (Lutherville Timonium, 3.3 mi south).
| ZIP code | 21031 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Hunt Valley |
| State | Maryland (MD) |
| County | Baltimore County |
| Time zone | Eastern Time · now |
| Area codes | 410, 443, 667 |
| Coordinates | 39.4805, -76.6553 map |
| 3-digit prefix | 210 |
Population and income in 21031
| Population | 26 · lower than 98% of Maryland ZIP codes |
|---|---|
| People per square mile | 28 · lower than 95% of Maryland ZIP codes |
| Men / women | 0.0% / 100% |
| Income per person | $0 |
| Below the poverty line | 0.0% |
| Bachelor’s degree or higher | 0.0% of adults 25+ |
| Housing units | 19 |
| Households | 19 (1.37 people on average) |
| Owners / renters | 0.0% / 100% |
| Land area | 0.94 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 21031. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 21031
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 21065 | Hunt Valley, MD | 0.5 mi N | Unique |
| 21030 | Cockeysville, MD | 1 mi NW | Standard |
| 21093 | Lutherville Timonium, MD | 3.3 mi S | Standard |
| 21131 | Phoenix, MD | 4.1 mi E | Standard |
| 21094 | Lutherville Timonium, MD | 4.4 mi SE | PO Box only |
| 21139 | Riderwood, MD | 4.9 mi S | PO Box only |
| 21152 | Sparks Glencoe, MD | 4.9 mi N | Standard |
| 21153 | Stevenson, MD | 5.7 mi SW | PO Box only |
| 21204 | Towson, MD | 5.8 mi SE | Standard |
| 21022 | Brooklandville, MD | 5.8 mi S | PO Box only |
| 21023 | Butler, MD | 5.9 mi NW | PO Box only |
| 21252 | Towson, MD | 6.2 mi SE | Unique |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21031 or measure the distance to another ZIP code.
How to address mail to 21031
123 MAIN ST
HUNT VALLEY MD 21031
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (21031-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Hunt Valley, MD
All Hunt Valley ZIP codes with population and income →
Questions
- What city is ZIP code 21031?
- 21031 is a Hunt Valley, Maryland ZIP code.
- What county is 21031 in?
- ZIP code 21031 is in Baltimore County, Maryland.
- What time zone is ZIP code 21031 in?
- 21031 is in the Eastern Time zone (America/New_York).
- What area code is 21031?
- Phone numbers in ZIP code 21031 use area codes 410, 443 and 667.
- What is the population of ZIP code 21031?
- About 26 people live in ZIP code 21031, according to the Census Bureau’s American Community Survey (2020–2024).
- What ZIP codes are near 21031?
- The nearest ZIP codes to 21031 are 21065 (Hunt Valley, 0.5 miles), 21030 (Cockeysville, 1 miles), 21093 (Lutherville Timonium, 3.3 miles) and 21131 (Phoenix, 4.1 miles).