ZIP code 21131
Where is ZIP code 21131?
Phoenix, Maryland
Baltimore County · Standard ZIP code
ZIP code 21131 belongs to Phoenix, Maryland in Baltimore County. 21131 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 7,141 people live in the 21131 area, where the median household income is $197,619. The closest ZIP codes are 21092 (Long Green, 3 mi east), 21094 (Lutherville Timonium, 3.2 mi south) and 21057 (Glen Arm, 3.8 mi southeast).
| ZIP code | 21131 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Phoenix |
| Also accepted | Jacksonville |
| State | Maryland (MD) |
| County | Baltimore County |
| Time zone | Eastern Time · now |
| Area codes | 410, 443, 667 |
| Coordinates | 39.4833, -76.5776 map |
| 3-digit prefix | 211 |
Population and income in 21131
| Population | 7,141 · higher than 56% of Maryland ZIP codes |
|---|---|
| People per square mile | 340 · lower than 53% of Maryland ZIP codes |
| Median age | 49.4 years · higher than 80% of Maryland ZIP codes |
| Men / women | 53% / 47% |
| Median household income | $197,619 · higher than 94% of Maryland ZIP codes |
| Income per person | $82,991 |
| Below the poverty line | 4.7% |
| Bachelor’s degree or higher | 74% of adults 25+ |
| Median home value | $686,000 · higher than 90% of Maryland ZIP codes |
| Housing units | 2,658 |
| Households | 2,600 (2.75 people on average) |
| Owners / renters | 98% / 1.6% |
| Land area | 21.03 sq mi (plus 1.39 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 21131. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 21131
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 21092 | Long Green, MD | 3 mi E | PO Box only |
| 21094 | Lutherville Timonium, MD | 3.2 mi S | PO Box only |
| 21057 | Glen Arm, MD | 3.8 mi SE | Standard |
| 21065 | Hunt Valley, MD | 4.1 mi W | Unique |
| 21031 | Hunt Valley, MD | 4.1 mi W | Standard |
| 21286 | Towson, MD | 4.8 mi S | Standard |
| 21030 | Cockeysville, MD | 4.8 mi W | Standard |
| 21013 | Baldwin, MD | 5.2 mi NE | Standard |
| 21093 | Lutherville Timonium, MD | 5.4 mi SW | Standard |
| 21204 | Towson, MD | 5.4 mi S | Standard |
| 21252 | Towson, MD | 5.8 mi S | Unique |
| 21284 | Towson, MD | 5.8 mi S | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21131 or measure the distance to another ZIP code.
How to address mail to 21131
123 MAIN ST
PHOENIX MD 21131
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts JACKSONVILLE as the city name for 21131. Adding the 4-digit ZIP+4 code (21131-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 21131?
- 21131 is a Phoenix, Maryland ZIP code. Jacksonville is also accepted as the city name.
- What county is 21131 in?
- ZIP code 21131 is in Baltimore County, Maryland.
- What time zone is ZIP code 21131 in?
- 21131 is in the Eastern Time zone (America/New_York).
- What area code is 21131?
- Phone numbers in ZIP code 21131 use area codes 410, 443 and 667.
- What is the population of ZIP code 21131?
- About 7,141 people live in ZIP code 21131, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 21131?
- The median household income in 21131 is $197,619 a year, higher than 94% of Maryland ZIP codes.
- What ZIP codes are near 21131?
- The nearest ZIP codes to 21131 are 21092 (Long Green, 3 miles), 21094 (Lutherville Timonium, 3.2 miles), 21057 (Glen Arm, 3.8 miles) and 21065 (Hunt Valley, 4.1 miles).