Columbia, MD 21045 ZIP Code Profile

Related Place Profiles:
Columbia, MD
Advertisement

ZIP Code 21045: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Columbia, MD 21045

  • ZIP Code Type: STANDARD
  • County: Howard County
  • Centroid: Latitude 39.204, Longitude -76.834
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 1,757
  • PO Box Addresses: 779
  • Residential Addresses: 15,182
    • Multi-Family Addresses: 2,852
    • Single Family Addresses: 12,330

The ZIP Code maps and database are updated 4 times per year.
Database updated: January 1, 2020, Maps updated: November 1, 2019.

Jump to... (On This Page!)
  1. 21045 2019 Demographic Data
  2. Growth Rates for 21045 (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 - 2019 Demographics

Popular Places Near ZIP Code 21045

Use HTL Address Research for a Maryland Address and get...

Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2019, data includes home values, household income, percentage of homes owned, rented or vacant, etc.



Advertisement

Columbia, MD 21045 Data & Demographics (As of July 1, 2019)

HOUSING AFFORDABILITY INDEX

Columbia, MD 21045 Housing Affordability Index is 132
State of Maryland Housing Affordability Index is 118
The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.

WEALTH INDEX

Columbia, MD 21045 Wealth Index is 149
State of Maryland Wealth Index is 141
The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.

These new demographic attributes are availiable for Neighborhoods, Cities, Counties / Independent Cities, and ZIP Codes.

More Tools and Resources:

  1. For information about schools and school attendance zones, use the HTL Address Tool
  2. Our new HTL Neighborhood Explorer provides lots of detail about any neighborhood.
  3. The new 2-Minute Introduction and Concise Guide to Big Data which will help you make the most effective use of HomeTownLocator Tools.
  4. See the References & Data Sources page for more information about methodology and sources of data.

POPULATION

Total Population 39,737
Population in Households 39,654
Population in Familes 32,427
Population in Group Qrtrs 83
Population Density 4,043
Diversity Index1 77
 

INCOME

Median Household Income $100,176
Average Household Income $119,111
Per Capita Income $45,529
Wealth Index3 149

HOUSING

Total Housing Units 15,741 (100%)
Owner Occupied HU 10,814 (68.7%)
Renter Occupied HU 4,374 (27.8%)
Vacant Housing Units 553 ( 3.5%)
Median Home Value $356,461
Housing Affordability Index2 132
 

HOUSEHOLDS

Total Households 15,188
Average Household Size 2.61
Family Households 10,219
Average Family Size 3
NOTES
  1. 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.
  2. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  3. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.

GROWTH RATE / YEAR

2010-2019 2019-2024
Population 0.36% 0.51%
Households 0.27% 0.45%
Families 0.07% 0.32%
Median Household Income   1.28%
Per Capita Income   2.34%

Columbia, MD 21045 - Peer Comparisons by Rank and Percentile

The table below compares 21045 to the other 461 ZIP Codes in Maryland by rank and percentile using July 1, 2019 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 # 39 92nd
Population Density # 60 87th
Diversity Index # 30 94th
Median Household Income # 152 67th
Per Capita Income # 157 66th

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


Quick & Easy Ways to...

  1. Get Current Demographic Data for Cities, Towns, and ZIP Codes
  2. View Boundary Maps, for Cities, Towns, and ZIP Codes
  3. Locate Physical, Cultural, and Historical Features

Maryland Census Data Comparison Tool

Compare Maryland July 1, 2019 Data
Data:
Locations:
Highest or Lowest:
Results:

Advertisement