Columbia, MD 21044 ZIP Code Profile

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Columbia, MD

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ZIP Code 21044: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Columbia, MD 21044

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 1,205
  • Single Family Addresses: 12,183
  • Multi-Family Addresses: 5,886
  • County: Howard County
  • Centroid: Latitude 39.213, Longitude -76.882
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

Neighborhood Data

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21044 ZIP Code Map

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Columbia, MD 21044 Data & Demographics (As of July 1, 2017)


Total Population 44,303
Population in Households 44,025
Population in Familes 34,222
Population in Group Qrtrs 278
Population Density1 3,479
Diversity Index2 70


Total Households 18,502
Average Household Size 2.38
Family Households 11,249
Average Family Size 3


Total Housing Units 19,248 (100%)
Owner Occupied HU 10,420 (54.1%)
Renter Occupied HU 8,082 (42.0%)
Vacant Housing Units 746 ( 3.9%)
Median Home Value $397,668
Average Home Value $446,341


Median Household Income $101,027
Average Household Income $129,472
Per Capita Income $54,300
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.89% 1.06%
Households 0.82% 1.04%
Families 0.58% 0.87%
Median Household Income   1.35%
Per Capita Income   2.11%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Columbia, MD 21044 - Peer Comparisons by Rank and Percentile

The table below compares 21044 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 # 28 94th
Population Density1 # 69 85th
Diversity Index2 # 47 90th
Median Household Income # 118 74th
Per Capita Income # 48 90th

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

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