ZIP code 21090
Where is ZIP code 21090?
Linthicum Heights, Maryland
Anne Arundel County · Standard ZIP code
ZIP code 21090 belongs to Linthicum Heights, Maryland in Anne Arundel County. 21090 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 10,652 people live in the 21090 area, where the median household income is $138,119. The closest ZIP codes are 21227 (Halethorpe, 2.2 mi northwest), 21240 (Baltimore, 2.4 mi south) and 21225 (Brooklyn, 3.1 mi northeast).
| ZIP code | 21090 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Linthicum Heights |
| Also accepted | Linthicum, Linthicum Hts |
| State | Maryland (MD) |
| County | Anne Arundel County |
| Time zone | Eastern Time · now |
| Area codes | 410, 443, 667 |
| Coordinates | 39.2092, -76.6681 map |
| 3-digit prefix | 210 |
Population and income in 21090
| Population | 10,652 · higher than 62% of Maryland ZIP codes |
|---|---|
| People per square mile | 1,604 · higher than 72% of Maryland ZIP codes |
| Median age | 36.8 years · lower than 80% of Maryland ZIP codes |
| Men / women | 53% / 47% |
| Median household income | $138,119 · higher than 74% of Maryland ZIP codes |
| Income per person | $55,969 |
| Below the poverty line | 3.5% |
| Bachelor’s degree or higher | 43% of adults 25+ |
| Median home value | $410,400 · lower than 52% of Maryland ZIP codes |
| Median rent | $2,055 a month |
| Housing units | 4,255 |
| Households | 3,979 (2.66 people on average) |
| Owners / renters | 83% / 17% |
| Land area | 6.64 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 21090. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 21090
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 21227 | Halethorpe, MD | 2.2 mi NW | Standard |
| 21240 | Baltimore, MD | 2.4 mi S | Standard |
| 21225 | Brooklyn, MD | 3.1 mi NE | Standard |
| 21250 | Baltimore, MD | 3.7 mi NW | Unique |
| 21061 | Glen Burnie, MD | 3.9 mi SE | Standard |
| 21077 | Harmans, MD | 4 mi SW | Standard |
| 21230 | Baltimore, MD | 4.5 mi NE | Standard |
| 21075 | Elkridge, MD | 4.6 mi W | Standard |
| 21076 | Hanover, MD | 4.7 mi SW | Standard |
| 21229 | Baltimore, MD | 5.4 mi N | Standard |
| 21060 | Glen Burnie, MD | 5.4 mi SE | Standard |
| 21223 | Baltimore, MD | 5.5 mi N | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21090 or measure the distance to another ZIP code.
How to address mail to 21090
123 MAIN ST
LINTHICUM HEIGHTS MD 21090
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts LINTHICUM and LINTHICUM HTS as the city name for 21090. Adding the 4-digit ZIP+4 code (21090-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 21090?
- 21090 is a Linthicum Heights, Maryland ZIP code. Linthicum and Linthicum Hts are also accepted as the city name.
- What county is 21090 in?
- ZIP code 21090 is in Anne Arundel County, Maryland.
- What time zone is ZIP code 21090 in?
- 21090 is in the Eastern Time zone (America/New_York).
- What area code is 21090?
- Phone numbers in ZIP code 21090 use area codes 410, 443 and 667.
- What is the population of ZIP code 21090?
- About 10,652 people live in ZIP code 21090, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 21090?
- The median household income in 21090 is $138,119 a year, higher than 74% of Maryland ZIP codes.
- What ZIP codes are near 21090?
- The nearest ZIP codes to 21090 are 21227 (Halethorpe, 2.2 miles), 21240 (Baltimore, 2.4 miles), 21225 (Brooklyn, 3.1 miles) and 21250 (Baltimore, 3.7 miles).