Zip Code 21209
Baltimore, Maryland — Baltimore County
📍 ZIP code 21209 is in Baltimore, Baltimore County, Maryland.
ZIP code 21209 is located in Baltimore, Baltimore County, Maryland. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 30,766. The area code for ZIP code 21209 is 410.
Quick Answer
Zip code 21209 is in Baltimore, Maryland (Baltimore County). It has a population of 30,766, median household income of $87,669, and median home value of $418,800.
Population
30,766
Income
$87,669
Home Value
$418,800
Climate
87°F / 27°F
About Zip Code 21209
Zip code 21209 is located in Baltimore, Maryland, within Baltimore County. Home to approximately 30,766 residents, this area sits at an elevation of 368 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 410.
The median household income is $87,669 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $418,800, and the cost of living index is 132 (32% above the national average of 100).
Summers average a high of 87°F while winters drop to 27°F. The area receives about 45 in of rain and 8 in of snow annually. The zip code covers 7.1 square miles of land area.
Key Statistics
30,766
$87,669
$418,800
Eastern (EST/EDT)
410
368 ft
7.1 sq mi
35.5
12,086
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Compare With Nearby Zip Codes
| Metric | 21209 | 21215 | 21210 | 21204 | 21208 | 21212 |
|---|---|---|---|---|---|---|
| City | Baltimore, MD | Baltimore, MD | Baltimore, MD | Towson, MD | Pikesville, MD | Baltimore, MD |
| Population | 30,766 | 52,078 | 14,612 | 19,605 | 38,108 | 33,425 |
| Median Income | $87,669 | $47,606 | $108,929 | $98,452 | $90,822 | $96,752 |
| Home Value | $418,800 | $189,900 | $521,700 | $571,800 | $313,400 | $357,900 |
| Cost of Living | 132 | 64 | 164 | 162 | 109 | 124 |
| Median Age | 35.5 | 40.3 | 29.4 | 34.1 | 44.3 | 39.2 |
Cost of Living
100 = National Average. Baltimore's cost of living is 32% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
4.8x
Demographics
Zip code 21209 has a population of 30,766 people with a median age of 35.5. There are 12,086 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Baltimore (21209) population trend from 2010 to 2024
↓ -9.8%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
87°F
27°F
45 in
8 in
Baltimore experiences warm summers with average highs around 87°F. Winters are cool with lows averaging 27°F. The area receives about 8 in of snow per year.
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Housing & Economy
Median Home Value
$418,800
Median Household Income
$87,669
With 12,086 housing units across 7.1 square miles, 21209 has a housing density of 1,702 units per square mile. The home price-to-income ratio is 4.8x.
Location & Geography
Latitude
39.3732°
Longitude
-76.6700°
Land Area
7.1 sq mi
Water Area
0 sq mi
Nearby Zip Codes
Zip codes closest to 21209 (Baltimore, MD) with distances:
All Zip Codes in Baltimore, MD
Other zip codes serving Baltimore:
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 21209's $87,669. A way to compare Baltimore 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 21209 (Baltimore, 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 Baltimore, Maryland?
Baltimore, Maryland uses zip code 21209 along with 11 other zip codes.
What county is zip code 21209 in?
Zip code 21209 is located in Baltimore County, Maryland.
What is the population of zip code 21209?
The population of zip code 21209 is 30,766 with a median age of 35.5.
Is 21209 in Baltimore, Maryland?
Yes, zip code 21209 is in Baltimore, Baltimore County, Maryland. The area code is 410.
Frequently Asked Questions
What city is zip code 21209 in?
Zip code 21209 is in Baltimore, Maryland. It is part of Baltimore County and uses the Eastern (EST/EDT) timezone.
What is zip code 21209?
Zip code 21209 is a U.S. postal code in Baltimore, Maryland (Baltimore County). It has a population of 30,766 and covers 7.1 square miles.
What is the population of zip code 21209?
The population of zip code 21209 (Baltimore, MD) is 30,766 with a median age of 35.5. There are approximately 12,086 housing units in this area.
What is the median income in zip code 21209?
The median household income in zip code 21209 (Baltimore, MD) is $87,669 per year. The cost of living index is 132 (100 = national average).
What is the average home price in zip code 21209?
The median home value in zip code 21209 (Baltimore, MD) is $418,800. The cost of living index is 132 compared to the national average of 100.
What county is zip code 21209 in?
Zip code 21209 is located in Baltimore County, Maryland. The primary city is Baltimore.
What is the area code for zip code 21209?
Zip code 21209 in Baltimore, MD uses area code 410. It is located in the Eastern (EST/EDT) timezone.
Is zip code 21209 a good place to live?
Zip code 21209 (Baltimore, MD) has a cost of living index of 132 (100 = national average), a median household income of $87,669, and median home values of $418,800. The median age is 35.5. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 21209?
The cost of living index for zip code 21209 (Baltimore, MD) is 132, where 100 represents the national average. This area is above the national average. Median home value: $418,800.
What schools serve zip code 21209?
Zip code 21209 in Baltimore, Maryland is served by the local school district of Baltimore 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.