ZIP code 21030
Where is ZIP code 21030?
Cockeysville, Maryland
Baltimore County · Standard ZIP code
ZIP code 21030 belongs to Cockeysville, Maryland in Baltimore County. 21030 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 25,827 people live in the 21030 area, where the median household income is $89,015. The closest ZIP codes are 21065 (Hunt Valley, 0.8 mi east), 21031 (Hunt Valley, 1 mi southeast) and 21152 (Sparks Glencoe, 4 mi north).
| ZIP code | 21030 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Cockeysville |
| Also accepted | Cockysvil, Hunt Valley |
| State | Maryland (MD) |
| County | Baltimore County |
| Time zone | Eastern Time · now |
| Area codes | 410, 443, 667 |
| Coordinates | 39.4919, -76.6677 map |
| 3-digit prefix | 210 |
Population and income in 21030
| Population | 25,827 · higher than 78% of Maryland ZIP codes |
|---|---|
| People per square mile | 1,074 · higher than 66% of Maryland ZIP codes |
| Median age | 36.8 years · lower than 80% of Maryland ZIP codes |
| Men / women | 52% / 48% |
| Median household income | $89,015 · lower than 63% of Maryland ZIP codes |
| Income per person | $58,154 |
| Below the poverty line | 11% |
| Bachelor’s degree or higher | 52% of adults 25+ |
| Median home value | $450,700 · higher than 58% of Maryland ZIP codes |
| Median rent | $1,647 a month |
| Housing units | 11,421 |
| Households | 10,900 (2.32 people on average) |
| Owners / renters | 44% / 56% |
| Land area | 24.05 sq mi (plus 0.48 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 21030. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 21030
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 21065 | Hunt Valley, MD | 0.8 mi E | Unique |
| 21031 | Hunt Valley, MD | 1 mi SE | Standard |
| 21152 | Sparks Glencoe, MD | 4 mi N | Standard |
| 21093 | Lutherville Timonium, MD | 4.1 mi S | Standard |
| 21131 | Phoenix, MD | 4.8 mi E | Standard |
| 21023 | Butler, MD | 4.9 mi NW | PO Box only |
| 21094 | Lutherville Timonium, MD | 5.4 mi SE | PO Box only |
| 21139 | Riderwood, MD | 5.8 mi S | PO Box only |
| 21153 | Stevenson, MD | 6.1 mi SW | PO Box only |
| 21111 | Monkton, MD | 6.3 mi NE | Standard |
| 21022 | Brooklandville, MD | 6.5 mi S | PO Box only |
| 21204 | Towson, MD | 6.8 mi SE | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21030 or measure the distance to another ZIP code.
How to address mail to 21030
123 MAIN ST
COCKEYSVILLE MD 21030
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts COCKYSVIL and HUNT VALLEY as the city name for 21030. Adding the 4-digit ZIP+4 code (21030-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 21030?
- 21030 is a Cockeysville, Maryland ZIP code. Cockysvil and Hunt Valley are also accepted as the city name.
- What county is 21030 in?
- ZIP code 21030 is in Baltimore County, Maryland.
- What time zone is ZIP code 21030 in?
- 21030 is in the Eastern Time zone (America/New_York).
- What area code is 21030?
- Phone numbers in ZIP code 21030 use area codes 410, 443 and 667.
- What is the population of ZIP code 21030?
- About 25,827 people live in ZIP code 21030, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 21030?
- The median household income in 21030 is $89,015 a year, lower than 63% of Maryland ZIP codes.
- What ZIP codes are near 21030?
- The nearest ZIP codes to 21030 are 21065 (Hunt Valley, 0.8 miles), 21031 (Hunt Valley, 1 miles), 21152 (Sparks Glencoe, 4 miles) and 21093 (Lutherville Timonium, 4.1 miles).