Parkville, MD 21234 ZIP Code Profile

Related Place Profiles:
Parkville, MD

ZIP Code 21234: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Parkville, MD 21234

Acceptable Alternative
Baltimore, MD 21234

  • ZIP Code Type: STANDARD
  • County: Baltimore County
  • Centroid: Latitude 39.391, Longitude -76.535
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

ZIP Code 21234 has segments in 2 Counties / Independent Cities (Baltimore, Baltimore City).

  • Businesses Addresses: 1,148
  • PO Box Addresses: 197
  • Residential Addresses: 28,519
    • Multi-Family Addresses: 6,241
    • Single Family Addresses: 22,278

The ZIP Code maps and database are updated 4 times per year.
Database updated: February 1, 2019, Maps updated: February 1, 2019.

Jump to... (On This Page!)
  1. 21234 2018 Demographic Data
  2. Growth Rates for 21234 (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Maryland Research Tools (Easy Tools & Current Data)
  3. Maryland Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Parkville, MD 21234 Data & Demographics (As of July 1, 2018)


Total Population 68,987
Population in Households 68,443
Population in Familes 51,966
Population in Group Qrtrs 544
Population Density2 5,397
Diversity Index3 58


Median Household Income $61,461
Average Household Income $76,153
Per Capita Income $32,413


Total Housing Units 30,762 (100%)
Owner Occupied HU 17,586 (57.2%)
Renter Occupied HU 11,584 (37.7%)
Vacant Housing Units 1,592 ( 5.2%)
Median Home Value $225,282
Average Home Value $253,843


Total Households 29,170
Average Household Size 2.35
Family Households 17,179
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2018 2018-2023
Population 0.23% 0.23%
Households 0.05% 0.13%
Families -0.1% 0.01%
Median Household Income   3.56%
Per Capita Income   3.22%

Parkville, MD 21234 - Peer Comparisons by Rank and Percentile

The table below compares 21234 to the other 448 ZIP Codes in Maryland by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 2 100th
Population Density # 39 92nd
Diversity Index # 105 77th
Median Household Income # 322 28th
Per Capita Income # 289 36th

Additional comparisons and rankings can be made with a VERY EASY TO USE Maryland Census Data Comparison Tool.

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