ZIP code 21084
Where is ZIP code 21084?
Jarrettsville, Maryland
Harford County · Standard ZIP code
ZIP code 21084 belongs to Jarrettsville, Maryland in Harford County. 21084 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 7,070 people live in the 21084 area, where the median household income is $121,509. The closest ZIP codes are 21050 (Forest Hill, 4.6 mi southeast), 21154 (Street, 5.9 mi northeast) and 21161 (White Hall, 6.1 mi northwest).
| ZIP code | 21084 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Jarrettsville |
| State | Maryland (MD) |
| County | Harford County |
| Time zone | Eastern Time · now |
| Area codes | 410, 443, 667 |
| Coordinates | 39.6162, -76.4684 map |
| 3-digit prefix | 210 |
Population and income in 21084
| Population | 7,070 · higher than 56% of Maryland ZIP codes |
|---|---|
| People per square mile | 298 · lower than 56% of Maryland ZIP codes |
| Median age | 44 years · higher than 62% of Maryland ZIP codes |
| Men / women | 52% / 48% |
| Median household income | $121,509 · higher than 62% of Maryland ZIP codes |
| Income per person | $58,001 |
| Below the poverty line | 5.7% |
| Bachelor’s degree or higher | 43% of adults 25+ |
| Median home value | $448,400 · higher than 56% of Maryland ZIP codes |
| Housing units | 2,765 |
| Households | 2,724 (2.59 people on average) |
| Owners / renters | 94% / 6.4% |
| Land area | 23.76 sq mi (plus 0.08 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 21084. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 21084
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 21050 | Forest Hill, MD | 4.6 mi SE | Standard |
| 21154 | Street, MD | 5.9 mi NE | Standard |
| 21161 | White Hall, MD | 6.1 mi NW | Standard |
| 21132 | Pylesville, MD | 6.3 mi NE | Standard |
| 21047 | Fallston, MD | 6.4 mi S | Standard |
| 21013 | Baldwin, MD | 6.8 mi S | Standard |
| 21111 | Monkton, MD | 7.7 mi SW | Standard |
| 21014 | Bel Air, MD | 8 mi SE | Standard |
| 21018 | Benson, MD | 8.6 mi SE | PO Box only |
| 17321 | Fawn Grove, PA | 9.4 mi N | Standard |
| 21082 | Hydes, MD | 9.8 mi S | Standard |
| 21051 | Fork, MD | 9.9 mi S | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21084 or measure the distance to another ZIP code.
How to address mail to 21084
123 MAIN ST
JARRETTSVILLE MD 21084
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (21084-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 21084?
- 21084 is a Jarrettsville, Maryland ZIP code.
- What county is 21084 in?
- ZIP code 21084 is in Harford County, Maryland.
- What time zone is ZIP code 21084 in?
- 21084 is in the Eastern Time zone (America/New_York).
- What area code is 21084?
- Phone numbers in ZIP code 21084 use area codes 410, 443 and 667.
- What is the population of ZIP code 21084?
- About 7,070 people live in ZIP code 21084, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 21084?
- The median household income in 21084 is $121,509 a year, higher than 62% of Maryland ZIP codes.
- What ZIP codes are near 21084?
- The nearest ZIP codes to 21084 are 21050 (Forest Hill, 4.6 miles), 21154 (Street, 5.9 miles), 21161 (White Hall, 6.1 miles) and 21132 (Pylesville, 6.3 miles).