Zip Code 21136
Reisterstown, Maryland — Baltimore County
📍 ZIP code 21136 is in Reisterstown, Baltimore County, Maryland.
ZIP code 21136 is located in Reisterstown, Baltimore County, Maryland. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 33,778. The area code for ZIP code 21136 is 410.
Quick Answer
Zip code 21136 is in Reisterstown, Maryland (Baltimore County). It has a population of 33,778, median household income of $106,559, and median home value of $380,200.
Population
33,778
Income
$106,559
Home Value
$380,200
Climate
87°F / 27°F
About Zip Code 21136
Zip code 21136 is located in Reisterstown, Maryland, within Baltimore County. Home to approximately 33,778 residents, this area sits at an elevation of 452 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 410.
The median household income is $106,559 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $380,200, and the cost of living index is 137 (37% 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 56 square miles of land area and 1.6 square miles of water.
Key Statistics
33,778
$106,559
$380,200
Eastern (EST/EDT)
410
452 ft
56 sq mi
43.8
13,944
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Compare With Nearby Zip Codes
| Metric | 21136 | 21071 | 21117 | 21155 | 21030 | 21048 |
|---|---|---|---|---|---|---|
| City | Reisterstown, MD | Glyndon, MD | Owings Mills, MD | Hampstead, MD | Cockeysville, MD | Finksburg, MD |
| Population | 33,778 | 355 | 61,337 | 3,124 | 25,312 | 10,002 |
| Median Income | $106,559 | $138,456 | $100,934 | $124,219 | $97,875 | $122,801 |
| Home Value | $380,200 | $451,800 | $370,700 | $537,700 | $435,500 | $423,900 |
| Cost of Living | 137 | 164 | 128 | 176 | 138 | 155 |
| Median Age | 43.8 | 33.7 | 36.3 | 37.1 | 36.8 | 44.7 |
Cost of Living
100 = National Average. Reisterstown's cost of living is 37% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
3.6x
Demographics
Zip code 21136 has a population of 33,778 people with a median age of 43.8. There are 13,944 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Reisterstown (21136) population trend from 2010 to 2024
↑ 148.1%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
87°F
27°F
45 in
8 in
Reisterstown 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
$380,200
Median Household Income
$106,559
With 13,944 housing units across 56 square miles, 21136 has a housing density of 249 units per square mile. The home price-to-income ratio is 3.6x.
Location & Geography
Latitude
39.4838°
Longitude
-76.7942°
Land Area
56 sq mi
Water Area
1.6 sq mi
Nearby Zip Codes
Zip codes closest to 21136 (Reisterstown, 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 21136's $106,559. A way to compare Reisterstown 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 21136 (Reisterstown, 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 Reisterstown, Maryland?
Reisterstown, Maryland uses zip code 21136.
What county is zip code 21136 in?
Zip code 21136 is located in Baltimore County, Maryland.
What is the population of zip code 21136?
The population of zip code 21136 is 33,778 with a median age of 43.8.
Is 21136 in Reisterstown, Maryland?
Yes, zip code 21136 is in Reisterstown, Baltimore County, Maryland. The area code is 410.
Frequently Asked Questions
What city is zip code 21136 in?
Zip code 21136 is in Reisterstown, Maryland. It is part of Baltimore County and uses the Eastern (EST/EDT) timezone.
What is zip code 21136?
Zip code 21136 is a U.S. postal code in Reisterstown, Maryland (Baltimore County). It has a population of 33,778 and covers 56 square miles.
What is the population of zip code 21136?
The population of zip code 21136 (Reisterstown, MD) is 33,778 with a median age of 43.8. There are approximately 13,944 housing units in this area.
What is the median income in zip code 21136?
The median household income in zip code 21136 (Reisterstown, MD) is $106,559 per year. The cost of living index is 137 (100 = national average).
What is the average home price in zip code 21136?
The median home value in zip code 21136 (Reisterstown, MD) is $380,200. The cost of living index is 137 compared to the national average of 100.
What county is zip code 21136 in?
Zip code 21136 is located in Baltimore County, Maryland. The primary city is Reisterstown.
What is the area code for zip code 21136?
Zip code 21136 in Reisterstown, MD uses area code 410. It is located in the Eastern (EST/EDT) timezone.
Is zip code 21136 a good place to live?
Zip code 21136 (Reisterstown, MD) has a cost of living index of 137 (100 = national average), a median household income of $106,559, and median home values of $380,200. The median age is 43.8. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 21136?
The cost of living index for zip code 21136 (Reisterstown, MD) is 137, where 100 represents the national average. This area is above the national average. Median home value: $380,200.
What schools serve zip code 21136?
Zip code 21136 in Reisterstown, 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.