Columbia, MD Profile: Facts & Data


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Columbia, Maryland - Basic Facts

The Columbia Census Designated Place had a population of 106,531 as of July 1, 2018. 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.

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  1. Columbia 2018 Demographic Data
  2. Growth Rates for Columbia (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Maryland Research Tools (Easy Tools & Current Data)
  3. Maryland Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Columbia, MD Data & Demographics (As of July 1, 2018)


Total Population 106,531
Population in Households 106,148
Population in Familes 85,936
Population in Group Qrtrs 383
Population Density2 3,337
Diversity Index3 72


Median Household Income $105,359
Average Household Income $130,120
Per Capita Income $51,495


Total Housing Units 43,726 (100%)
Owner Occupied HU 26,657 (61.0%)
Renter Occupied HU 15,412 (35.2%)
Vacant Housing Units 1,657 ( 3.8%)
Median Home Value $382,806
Average Home Value $427,575


Total Households 42,069
Average Household Size 2.52
Family Households 27,223
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population 0.82% 1.03%
Households 0.75% 1.03%
Families 0.52% 0.83%
Median Household Income   1.61%
Per Capita Income   2.6%

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, 2018 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 Density # 110 79th
Diversity Index # 58 89th
Median Household Income # 105 80th
Per Capita Income # 63 88th

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

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