Columbia, MD Profile: Facts, Map & Data


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Columbia, Maryland - Basic Facts

The Columbia Census Designated Place is a community or populated place (Class Code U5) located in Howard County at latitude 39.2011 and longitude -76.859. Howard County is in the Eastern time zone (GMT -5). The elevation is 404 feet.

The formal official name is the Columbia Census Designated Place, but most people and references simply refer to it as Columbia, Maryland.

The U5 Census Class Code for Columbia indicates a populated place that is also a census designated place with the same name.. The Census Designated Place has a Functional Status Code "S" which identifies a statistical entity.

The formal boundaries for the Columbia Census Designated Place (see map below) encompass a land area of 31.93 sq. miles and a water area of 0.26 sq. miles.

Columbia Census Designated Place, MD Boundary Map


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Boundary Maps: District 6, Savage | Howard County | Maryland Counties / Independent Cities

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Columbia, MD Data & Demographics (As of July 1, 2014)


Total Population 101,355
Population in Households 100,802
Population in Familes 81,430
Population in Group Qrtrs 553
Population Density1 3,175
Diversity Index2 70


Total Households 40,383
Average Household Size 2.5
Family Households 26,299
Average Family Size 3


Total Housing Units 42,258 (100%)
Owner Occupied HU 25,827 (61.1%)
Renter Occupied HU 14,556 (34.4%)
Vacant Housing Units 1,875 ( 4.4%)
Median Home Value $402,592
Average Home Value $439,645


Median Household Income $104,828
Average Household Income $123,618
Per Capita Income $49,322
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population 0.41% 0.95%
Households 0.48% 1.0%
Families 0.19% 0.78%
Median Household Income   1.76%
Per Capita Income   3.09%
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 - Peer Comparisons by Rank and Percentile

The table below compares Columbia to the other 518 incorporated cities, towns and CDPs in Maryland by rank and percentile using July 1, 2014 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 Density1 # 114 78th
Diversity Index2 # 57 89th
Median Household Income # 87 83rd
Per Capita Income # 56 89th

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