ZIP Code 21046 - Columbia Maryland

ZIP Code 21046 is located in Columbia Maryland. Portions of 21046 are also in Savage and Scaggsville. 21046 is entirely within Howard County. Regionally, it is located in Metro Baltimore.

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ZIP Code 21046 Quick Stats

ZIP Code NameColumbia
Primary CountyHoward County
ZIP Code TypeStandard
Population (2022)15,894
Area Code(s)240 / 301 / 410 / 443 / 667
Current Time

ZIP Code 21046 Map

21046 Demographics

21046 can be classified socioeconomically as Middle Class class compared to other ZIP Codes in Maryland based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 21046 is White. The majority race/ethnicity attending public schools in 21046 is African American. The current unemployment level in 21046 is 2.8%.

Population Growth Rate-3.44%
Population Density1,946 People per Square Mile
Total Households6,363
Percentage High Income Households12.9%
Median Household Income (2021)$113,346
Average Adjusted Gross Income (2021)$318,900
Current Unemployment Rate (May 2024)2.8%
Majority Race/EthnictyWhite - 56.36%
Public School Majority Race/EthnictyAfrican American - 39.52%

21046 Race/Ethnicty Breakdown

Native American110.07%
Hawaiian/Pac. Islander00%

21046 Public School Race/Ethnicty Breakdown

Native American30.14%
Hawaiian/Pac. Islander20.1%

21046 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College3112.98%
Bachelor Degree3,88337.19%
High School Diploma1,0009.58%
No High School Diploma470.45%
GED or Alternate830.8%
1 or More Years of College1,30712.52%
Associates Degree8368.01%
Masters Degree2,02919.43%
Professional Degree4974.76%
Doctorate Degree4474.28%

21046 Geography

Adjacent ZIP Codes
Cities/Towns in 21046
RegionMetro Baltimore
Metropolitan/Micropolitan Stat AreaBaltimore-Columbia-Towson, MD
Time ZoneEastern Daylight Time
IANA TimezoneAmerica/New_York
Area8 Square Miles

21046 Politics

US Congressional Districts in 21046
Maryland State Senate Districts in 21046
Maryland State House of Delegates Districts in 21046

21046 Weather and Climate Data

Plant Hardiness ZoneZone 7a: 0F to 5F
Average First Frost DateOctober 21 - 31
Average Last Frost DateApril 21 - 31
Koppen-Geiger Climate ZoneCfa - Humid Subtropical Climate
Ecoregion64c - Piedmont Uplands

21046 Annual Climate Data

Avg Min Temp (°F)24263342526166645745362845
Avg Max Temp (°F)42465566758388867968574666
Avg Precip (In.)3.442.964.043.364.563.744.013.764.193.53.613.4444.62

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