Zip Code 20603
Waldorf, Maryland — Charles County
📍 ZIP code 20603 is in Waldorf, Charles County, Maryland.
ZIP code 20603 is located in Waldorf, Charles County, Maryland. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 32,649. The area code for ZIP code 20603 is 301.
Quick Answer
Zip code 20603 is in Waldorf, Maryland (Charles County). It has a population of 32,649, median household income of $137,138, and median home value of $430,700.
Population
32,649
Income
$137,138
Home Value
$430,700
Climate
88°F / 27°F
About Zip Code 20603
Zip code 20603 is located in Waldorf, Maryland, within Charles County. Home to approximately 32,649 residents, this area sits at an elevation of 220 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 301.
The median household income is $137,138 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $430,700, and the cost of living index is 158 (58% above the national average of 100).
Summers average a high of 88°F while winters drop to 27°F. The area receives about 47 in of rain and 11 in of snow annually. The zip code covers 17.1 square miles of land area and 0.1 square miles of water.
Key Statistics
32,649
$137,138
$430,700
Eastern (EST/EDT)
301
220 ft
17.1 sq mi
38.8
11,887
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Compare With Nearby Zip Codes
| Metric | 20603 | 20695 | 20607 | 20675 | 20602 | 20601 |
|---|---|---|---|---|---|---|
| City | Waldorf, MD | Waldorf, MD | Accokeek, MD | Pomfret, MD | Waldorf, MD | Waldorf, MD |
| Population | 32,649 | 12,725 | 12,506 | 1,836 | 29,425 | 27,340 |
| Median Income | $137,138 | $118,949 | $147,647 | $116,439 | $108,733 | $120,278 |
| Home Value | $430,700 | $446,700 | $522,900 | $436,900 | $360,800 | $380,700 |
| Cost of Living | 158 | 152 | 183 | 159 | 127 | 138 |
| Median Age | 38.8 | 39.2 | 41.6 | 51.6 | 35.3 | 37 |
Cost of Living
100 = National Average. Waldorf's cost of living is 58% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
3.1x
Demographics
Zip code 20603 has a population of 32,649 people with a median age of 38.8. There are 11,887 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Waldorf (20603) population trend from 2010 to 2024
↓ -29.0%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
88°F
27°F
47 in
11 in
Waldorf experiences warm summers with average highs around 88°F. Winters are cool with lows averaging 27°F. The area receives about 11 in of snow per year.
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Housing & Economy
Median Home Value
$430,700
Median Household Income
$137,138
With 11,887 housing units across 17.1 square miles, 20603 has a housing density of 695 units per square mile. The home price-to-income ratio is 3.1x.
Location & Geography
Latitude
38.6304°
Longitude
-76.9766°
Land Area
17.1 sq mi
Water Area
0.1 sq mi
Nearby Zip Codes
Zip codes closest to 20603 (Waldorf, MD) with distances:
All Zip Codes in Waldorf, MD
Other zip codes serving Waldorf:
Related Cities in Maryland
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ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 20603's $137,138. A way to compare Waldorf to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 20603 (Waldorf, MD). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Waldorf, Maryland?
Waldorf, Maryland uses zip code 20603 along with 3 other zip codes.
What county is zip code 20603 in?
Zip code 20603 is located in Charles County, Maryland.
What is the population of zip code 20603?
The population of zip code 20603 is 32,649 with a median age of 38.8.
Is 20603 in Waldorf, Maryland?
Yes, zip code 20603 is in Waldorf, Charles County, Maryland. The area code is 301.
Frequently Asked Questions
What city is zip code 20603 in?
Zip code 20603 is in Waldorf, Maryland. It is part of Charles County and uses the Eastern (EST/EDT) timezone.
What is zip code 20603?
Zip code 20603 is a U.S. postal code in Waldorf, Maryland (Charles County). It has a population of 32,649 and covers 17.1 square miles.
What is the population of zip code 20603?
The population of zip code 20603 (Waldorf, MD) is 32,649 with a median age of 38.8. There are approximately 11,887 housing units in this area.
What is the median income in zip code 20603?
The median household income in zip code 20603 (Waldorf, MD) is $137,138 per year. The cost of living index is 158 (100 = national average).
What is the average home price in zip code 20603?
The median home value in zip code 20603 (Waldorf, MD) is $430,700. The cost of living index is 158 compared to the national average of 100.
What county is zip code 20603 in?
Zip code 20603 is located in Charles County, Maryland. The primary city is Waldorf.
What is the area code for zip code 20603?
Zip code 20603 in Waldorf, MD uses area code 301. It is located in the Eastern (EST/EDT) timezone.
Is zip code 20603 a good place to live?
Zip code 20603 (Waldorf, MD) has a cost of living index of 158 (100 = national average), a median household income of $137,138, and median home values of $430,700. The median age is 38.8. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 20603?
The cost of living index for zip code 20603 (Waldorf, MD) is 158, where 100 represents the national average. This area is above the national average. Median home value: $430,700.
What schools serve zip code 20603?
Zip code 20603 in Waldorf, Maryland is served by the local school district of Charles County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.