Halethorpe, MD 21227 ZIP Code Profile

Related Place Profiles:
Arbutus, MD | Halethorpe, MD | Lansdowne, MD

ZIP Code 21227: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Halethorpe, MD 21227

Acceptable Alternative
Arbutus, MD 21227
Baltimore, MD 21227
Lansdowne, MD 21227

  • ZIP Code Type: STANDARD
  • County: Baltimore County
  • Centroid: Latitude 39.253, Longitude -76.696
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

ZIP Code 21227 has segments in 2 Counties / Independent Cities (Baltimore, Baltimore City).

  • Businesses Addresses: 1,304
  • PO Box Addresses: 234
  • Residential Addresses: 13,137
    • Multi-Family Addresses: 780
    • Single Family Addresses: 12,357

The ZIP Code maps and database are updated 4 times per year.
Database updated: May 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic 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 demographic data.


21227 ZIP Code Map

Search the map for:

Halethorpe, MD 21227 Data & Demographics (As of July 1, 2017)


Total Population 34,099
Daytime Population: Workers 21,257
Daytime Population: Residents 16,834
Total Daytime Population (TDP) 38,091
Ratio TDP/Total Population1 1.12
Population in Households 33,920
Population in Familes 26,550
Population in Group Qrtrs 179
Population Density2 3,262
Diversity Index3 57


Median Household Income $56,261
Average Household Income $67,090
Per Capita Income $25,218


Total Housing Units 13,575 (100%)
Owner Occupied HU 7,916 (58.3%)
Renter Occupied HU 4,804 (35.4%)
Vacant Housing Units 855 ( 6.3%)
Median Home Value $225,472
Average Home Value $242,038


Total Households 12,720
Average Household Size 2.67
Family Households 8,392
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 0.47% 0.49%
Households 0.26% 0.37%
Families 0.11% 0.27%
Median Household Income   0.86%
Per Capita Income   1.97%

Halethorpe, MD 21227 - Peer Comparisons by Rank and Percentile

The table below compares 21227 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 # 62 87th
Population Density # 75 84th
Diversity Index # 113 75th
Median Household Income # 355 22nd
Per Capita Income # 387 15th

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

Maryland Research Tools

Maryland Census Data Comparison Tool

Compare Maryland Census Data
Highest or Lowest: