Zip Code 21117
Owings Mills, Maryland — Baltimore County
📍 ZIP code 21117 is in Owings Mills, Baltimore County, Maryland.
ZIP code 21117 is located in Owings Mills, Baltimore County, Maryland. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 61,337. The area code for ZIP code 21117 is 410.
Quick Answer
Zip code 21117 is in Owings Mills, Maryland (Baltimore County). It has a population of 61,337, median household income of $100,934, and median home value of $370,700.
Population
61,337
Income
$100,934
Home Value
$370,700
Climate
87°F / 27°F
About Zip Code 21117
Zip code 21117 is located in Owings Mills, Maryland, within Baltimore County. Home to approximately 61,337 residents, this area sits at an elevation of 538 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 410.
The median household income is $100,934 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $370,700, and the cost of living index is 128 (28% 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 32.5 square miles of land area and 0.2 square miles of water.
Key Statistics
61,337
$100,934
$370,700
Eastern (EST/EDT)
410
538 ft
32.5 sq mi
36.3
26,001
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Compare With Nearby Zip Codes
| Metric | 21117 | 21136 | 21208 | 21133 | 21071 | 21244 |
|---|---|---|---|---|---|---|
| City | Owings Mills, MD | Reisterstown, MD | Pikesville, MD | Randallstown, MD | Glyndon, MD | Windsor Mill, MD |
| Population | 61,337 | 33,778 | 38,108 | 31,847 | 355 | 39,545 |
| Median Income | $100,934 | $106,559 | $90,822 | $84,248 | $138,456 | $84,849 |
| Home Value | $370,700 | $380,200 | $313,400 | $302,000 | $451,800 | $271,200 |
| Cost of Living | 128 | 137 | 109 | 105 | 164 | 98 |
| Median Age | 36.3 | 43.8 | 44.3 | 47.5 | 33.7 | 35.3 |
Cost of Living
100 = National Average. Owings Mills's cost of living is 28% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
3.7x
Demographics
Zip code 21117 has a population of 61,337 people with a median age of 36.3. There are 26,001 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Owings Mills (21117) population trend from 2010 to 2024
↑ 13.8%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
87°F
27°F
45 in
8 in
Owings Mills 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
$370,700
Median Household Income
$100,934
With 26,001 housing units across 32.5 square miles, 21117 has a housing density of 800 units per square mile. The home price-to-income ratio is 3.7x.
Location & Geography
Latitude
39.4276°
Longitude
-76.7758°
Land Area
32.5 sq mi
Water Area
0.2 sq mi
Nearby Zip Codes
Zip codes closest to 21117 (Owings Mills, MD) with distances:
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 21117's $100,934. A way to compare Owings Mills 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 21117 (Owings Mills, 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 Owings Mills, Maryland?
Owings Mills, Maryland uses zip code 21117.
What county is zip code 21117 in?
Zip code 21117 is located in Baltimore County, Maryland.
What is the population of zip code 21117?
The population of zip code 21117 is 61,337 with a median age of 36.3.
Is 21117 in Owings Mills, Maryland?
Yes, zip code 21117 is in Owings Mills, Baltimore County, Maryland. The area code is 410.
Frequently Asked Questions
What city is zip code 21117 in?
Zip code 21117 is in Owings Mills, Maryland. It is part of Baltimore County and uses the Eastern (EST/EDT) timezone.
What is zip code 21117?
Zip code 21117 is a U.S. postal code in Owings Mills, Maryland (Baltimore County). It has a population of 61,337 and covers 32.5 square miles.
What is the population of zip code 21117?
The population of zip code 21117 (Owings Mills, MD) is 61,337 with a median age of 36.3. There are approximately 26,001 housing units in this area.
What is the median income in zip code 21117?
The median household income in zip code 21117 (Owings Mills, MD) is $100,934 per year. The cost of living index is 128 (100 = national average).
What is the average home price in zip code 21117?
The median home value in zip code 21117 (Owings Mills, MD) is $370,700. The cost of living index is 128 compared to the national average of 100.
What county is zip code 21117 in?
Zip code 21117 is located in Baltimore County, Maryland. The primary city is Owings Mills.
What is the area code for zip code 21117?
Zip code 21117 in Owings Mills, MD uses area code 410. It is located in the Eastern (EST/EDT) timezone.
Is zip code 21117 a good place to live?
Zip code 21117 (Owings Mills, MD) has a cost of living index of 128 (100 = national average), a median household income of $100,934, and median home values of $370,700. The median age is 36.3. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 21117?
The cost of living index for zip code 21117 (Owings Mills, MD) is 128, where 100 represents the national average. This area is above the national average. Median home value: $370,700.
What schools serve zip code 21117?
Zip code 21117 in Owings Mills, 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.