Zip Code 21234
Parkville, Maryland — Baltimore County
📍 ZIP code 21234 is in Parkville, Baltimore County, Maryland.
ZIP code 21234 is located in Parkville, Baltimore County, Maryland. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 65,010. The area code for ZIP code 21234 is 410.
Quick Answer
Zip code 21234 is in Parkville, Maryland (Baltimore County). It has a population of 65,010, median household income of $83,139, and median home value of $276,000.
Population
65,010
Income
$83,139
Home Value
$276,000
Climate
87°F / 27°F
About Zip Code 21234
Zip code 21234 is located in Parkville, Maryland, within Baltimore County. Home to approximately 65,010 residents, this area sits at an elevation of 344 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 410.
The median household income is $83,139 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $276,000, and the cost of living index is 99 (1% below 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 13 square miles of land area.
Key Statistics
65,010
$83,139
$276,000
Eastern (EST/EDT)
410
344 ft
13 sq mi
40.7
29,575
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Compare With Nearby Zip Codes
| Metric | 21234 | 21286 | 21236 | 21214 | 21239 | 21206 |
|---|---|---|---|---|---|---|
| City | Parkville, MD | Towson, MD | Nottingham, MD | Baltimore, MD | Baltimore, MD | Baltimore, MD |
| Population | 65,010 | 21,782 | 39,653 | 21,295 | 28,635 | 49,901 |
| Median Income | $83,139 | $93,093 | $92,130 | $82,093 | $64,288 | $62,965 |
| Home Value | $276,000 | $402,000 | $306,800 | $250,700 | $191,200 | $213,700 |
| Cost of Living | 99 | 129 | 111 | 91 | 71 | 75 |
| Median Age | 40.7 | 40.1 | 38.2 | 41.6 | 36.3 | 36.5 |
Cost of Living
100 = National Average. Parkville's cost of living is 1% below the national average.
vs. State Avg
Below
Affordability
Affordable
Income-to-Home
3.3x
Demographics
Zip code 21234 has a population of 65,010 people with a median age of 40.7. There are 29,575 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Climate & Weather
87°F
27°F
45 in
8 in
Parkville 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
$276,000
Median Household Income
$83,139
With 29,575 housing units across 13 square miles, 21234 has a housing density of 2,275 units per square mile. The home price-to-income ratio is 3.3x.
Location & Geography
Latitude
39.3934°
Longitude
-76.5342°
Land Area
13 sq mi
Water Area
0 sq mi
Nearby Zip Codes
Zip codes closest to 21234 (Parkville, MD) with distances:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 21234's $83,139. A way to compare Parkville 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 21234 (Parkville, 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 Parkville, Maryland?
Parkville, Maryland uses zip code 21234.
What county is zip code 21234 in?
Zip code 21234 is located in Baltimore County, Maryland.
What is the population of zip code 21234?
The population of zip code 21234 is 65,010 with a median age of 40.7.
Is 21234 in Parkville, Maryland?
Yes, zip code 21234 is in Parkville, Baltimore County, Maryland. The area code is 410.
Frequently Asked Questions
What city is zip code 21234 in?
Zip code 21234 is in Parkville, Maryland. It is part of Baltimore County and uses the Eastern (EST/EDT) timezone.
What is zip code 21234?
Zip code 21234 is a U.S. postal code in Parkville, Maryland (Baltimore County). It has a population of 65,010 and covers 13 square miles.
What is the population of zip code 21234?
The population of zip code 21234 (Parkville, MD) is 65,010 with a median age of 40.7. There are approximately 29,575 housing units in this area.
What is the median income in zip code 21234?
The median household income in zip code 21234 (Parkville, MD) is $83,139 per year. The cost of living index is 99 (100 = national average).
What is the average home price in zip code 21234?
The median home value in zip code 21234 (Parkville, MD) is $276,000. The cost of living index is 99 compared to the national average of 100.
What county is zip code 21234 in?
Zip code 21234 is located in Baltimore County, Maryland. The primary city is Parkville.
What is the area code for zip code 21234?
Zip code 21234 in Parkville, MD uses area code 410. It is located in the Eastern (EST/EDT) timezone.
Is zip code 21234 a good place to live?
Zip code 21234 (Parkville, MD) has a cost of living index of 99 (100 = national average), a median household income of $83,139, and median home values of $276,000. The median age is 40.7. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 21234?
The cost of living index for zip code 21234 (Parkville, MD) is 99, where 100 represents the national average. This area is below the national average. Median home value: $276,000.
What schools serve zip code 21234?
Zip code 21234 in Parkville, 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.