ZIP code 20603
Where is ZIP code 20603?
Waldorf, Maryland
Charles County · Standard ZIP code
ZIP code 20603 belongs to Waldorf, Maryland in Charles County. 20603 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 227, 240 and 301. About 31,844 people live in the 20603 area, where the median household income is $137,946. The closest ZIP codes are 20695 (White Plains, 2.3 mi south), 20675 (Pomfret, 3.5 mi southwest) and 20607 (Accokeek, 3.6 mi northwest).
| ZIP code | 20603 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Waldorf |
| Also accepted | Saint Charles |
| State | Maryland (MD) |
| County | Charles County |
| Time zone | Eastern Time · now |
| Area codes | 227, 240, 301 |
| Coordinates | 38.6294, -76.9769 map |
| 3-digit prefix | 206 |
Population and income in 20603
| Population | 31,844 · higher than 84% of Maryland ZIP codes |
|---|---|
| People per square mile | 1,966 · higher than 75% of Maryland ZIP codes |
| Median age | 38.4 years · lower than 70% of Maryland ZIP codes |
| Men / women | 47% / 53% |
| Median household income | $137,946 · higher than 74% of Maryland ZIP codes |
| Income per person | $57,744 |
| Below the poverty line | 4.4% |
| Bachelor’s degree or higher | 40% of adults 25+ |
| Median home value | $453,700 · higher than 59% of Maryland ZIP codes |
| Median rent | $2,024 a month |
| Housing units | 11,843 |
| Households | 11,324 (2.81 people on average) |
| Owners / renters | 84% / 16% |
| Land area | 16.2 sq mi (plus 0.09 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 20603. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 20603
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 20695 | White Plains, MD | 2.3 mi S | Standard |
| 20675 | Pomfret, MD | 3.5 mi SW | Standard |
| 20607 | Accokeek, MD | 3.6 mi NW | Standard |
| 20601 | Waldorf, MD | 5.4 mi E | Standard |
| 20616 | Bryans Road, MD | 5.4 mi W | Standard |
| 20602 | Waldorf, MD | 5.5 mi SE | Standard |
| 20646 | La Plata, MD | 7.2 mi S | Standard |
| 20604 | Waldorf, MD | 8.3 mi S | PO Box only |
| 22308 | Alexandria, VA | 8.4 mi NW | Standard |
| 20744 | Fort Washington, MD | 8.9 mi N | Standard |
| 20613 | Brandywine, MD | 8.9 mi NE | Standard |
| 20617 | Bryantown, MD | 9.3 mi SE | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 20603 or measure the distance to another ZIP code.
How to address mail to 20603
123 MAIN ST
WALDORF MD 20603
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts SAINT CHARLES as the city name for 20603. Adding the 4-digit ZIP+4 code (20603-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Waldorf, MD
All Waldorf ZIP codes with population and income →
Questions
- What city is ZIP code 20603?
- 20603 is a Waldorf, Maryland ZIP code. Saint Charles is also accepted as the city name.
- What county is 20603 in?
- ZIP code 20603 is in Charles County, Maryland.
- What time zone is ZIP code 20603 in?
- 20603 is in the Eastern Time zone (America/New_York).
- What area code is 20603?
- Phone numbers in ZIP code 20603 use area codes 227, 240 and 301.
- What is the population of ZIP code 20603?
- About 31,844 people live in ZIP code 20603, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 20603?
- The median household income in 20603 is $137,946 a year, higher than 74% of Maryland ZIP codes.
- What ZIP codes are near 20603?
- The nearest ZIP codes to 20603 are 20695 (White Plains, 2.3 miles), 20675 (Pomfret, 3.5 miles), 20607 (Accokeek, 3.6 miles) and 20601 (Waldorf, 5.4 miles).