Randallstown, MD 21133 ZIP Code Profile

Related Place Profiles:
Foxridge, MD | Randallstown, MD

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ZIP Code 21133: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Randallstown, MD 21133

Acceptable Alternative
McDonogh Run, MD 21133

Not Acceptable, USPS
Foxridge, MD 21133

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 667
  • Single Family Addresses: 8,617
  • Multi-Family Addresses: 3,014
  • County: Baltimore County
  • Centroid: Latitude 39.37, Longitude -76.802
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


21133 ZIP Code Map

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Randallstown, MD 21133 Data & Demographics (As of July 1, 2017)


Total Population 29,461
Daytime Population: Workers 5,362
Daytime Population: Residents 13,813
Total Daytime Population (TDP) 19,175
Ratio TDP/Total Population1 0.65
Population in Households 29,044
Population in Familes 23,909
Population in Group Qrtrs 417
Population Density2 3,211
Diversity Index3 36


Median Household Income $75,890
Average Household Income $87,599
Per Capita Income $32,483


Total Housing Units 11,236 (100%)
Owner Occupied HU 7,053 (62.8%)
Renter Occupied HU 3,698 (32.9%)
Vacant Housing Units 485 ( 4.3%)
Median Home Value $251,960
Average Home Value $280,200


Total Households 10,751
Average Household Size 2.7
Family Households 7,322
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  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.


2010-2017 2017-2022
Population 0.75% 0.66%
Households 0.56% 0.55%
Families 0.45% 0.47%
Median Household Income   1.18%
Per Capita Income   2.22%

Randallstown, MD 21133 - Peer Comparisons by Rank and Percentile

The table below compares 21133 to the other 456 ZIP Codes in Maryland by rank and percentile using July 1, 2017 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 # 87 81st
Population Density # 76 84th
Diversity Index # 254 44th
Median Household Income # 230 50th
Per Capita Income # 275 40th

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

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