Columbia, MD Profile: Facts, Map & Data


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Columbia, Maryland - Basic Facts

The Columbia Census Designated Place had a population of 105,673 as of July 1, 2017. Columbia ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Maryland. See peer rankings below.

The primary coordinate point for Columbia is located at latitude 39.2011 and longitude -76.859 in Howard County. 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. Howard County is in the Eastern time zone (GMT -5). The elevation is 404 feet.

The Columbia Census Designated Place (GNIS ID: 2389348) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

The Columbia Census Designated Place is located within District 6, Savage, a minor civil division (MCD) of Howard County.

Beneath the boundary map are tables with Columbia population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Neighborhood Data

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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, 2017)


Total Population 105,673
Population in Households 105,290
Population in Familes 84,785
Population in Group Qrtrs 383
Population Density1 3,310
Diversity Index2 72


Total Households 41,679
Average Household Size 2.53
Family Households 27,077
Average Family Size 3


Total Housing Units 43,243 (100%)
Owner Occupied HU 26,403 (61.1%)
Renter Occupied HU 15,276 (35.3%)
Vacant Housing Units 1,564 ( 3.6%)
Median Home Value $379,807
Average Home Value $418,558


Median Household Income $101,788
Average Household Income $125,540
Per Capita Income $49,626
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.82% 1.01%
Households 0.72% 0.97%
Families 0.52% 0.82%
Median Household Income   1.22%
Per Capita Income   2.14%
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, 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 # 2 100th
Population Density1 # 110 79th
Diversity Index2 # 57 89th
Median Household Income # 106 80th
Per Capita Income # 58 89th

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

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