Zip Code 21045 Map and Profile

Official Zip Code NameColumbia
Zip Code StateMaryland
Zip Code TypeNon-Unique
Primary County: Howard
Area Code410 / 443 / 667
Current Population:38288
Racial Majority:White 43.34%
Public School Racial Majority:Black 36.2%
Unemployment Rate:4.6%
Median Household Income$88064
Average Adjusted Gross Income$79980
School Test Performance:Average
Average Commute Time30.1 Minutes
Time Zone:Eastern Daylight Time
Elevation Range354 - 387 ft.
Area10 Sqm.
Coordinates(Y,X)39.20620900, -76.82706200

Zip Code 21045 Description

Zip Code 21045 is located in the state of Maryland in the Baltimore metro area. Zip code 21045 is primarily located in Howard County. The official US Postal Service name for 21045 is COLUMBIA, Maryland. Portions of zip code 21045 are contained within or border the city limits of Columbia, MD, Ellicott City, MD, and Elkridge, MD. Zip code 21045 is within area code 443, area code 410 and area code 240. 21045 can be classified socioeconically as a Middle Class class zipcode in comparison to other zipcodes in Maryland.

The current unemployment level in 21045 is 4.6% which is higher than the current county unemployment level of 3.4% and is lower than the current state unemployment at 6.1% and lower than the current national unemployment rate at 6.0%.

According the 2010 US Census, the population of 21045 increased to 38288 from 37519 over the past 10 years. The majority ethnicity residing in 21045 is White while the majority ethnicity attending 21045 public schools is Black. 38.2% of students in 21045 public schools receive or are eligible to participate in free or reduced lunch programs.

 White 17263 43.34% 17633 -2%
 Black Or African American 10958 27.51% 10917 +0%
 Hispanic 4358 10.94% 4174 +4%
 American Indian Or Alaskan Native 63 0.16% 68 -7%
 Asian 5194 13.04% 3891 +33%
 Native Hawaiian & Other Pacific Islander 0 0% 14 -100%
 Other Race 131 0.89% 131 +170%
 Two Or More Races 1460 4.12% 1460 +12%

Zip Code 21045 Race/Ethnicity

 White 28.3%
 Black Or African American 36.2%
 Hispanic 17.1%
 Asian 10%
 Hawaii/Pacific Islander 0.2%
 American Indian Or Alaskan Native 0.2%
 Two or More Races 8%

Zip Code 21045 Public School Race/Ethnicity Profile

Total Population3828837519
Male Population48.50%
Female Population51.50%
Total Households14725
Test Score PerformanceAverage
Percentage of Students Eligible For
Free or Reduced Lunch
Percentage of Public Schools with
Title 1 Status
Median Household Income$88064
Income Under $50K Per Year22.60%
Income $50K to $100K Per Year33.80%
Income Above $100K Per Year43.60%
21045 US Congressional District
DistrictRepresentativeParty Affiliation
Maryland District 3John SarbanesDemocrat
Maryland District 7Elijah CummingsDemocrat
Related Maps: Map of All Maryland Congressional Districts

Average Real Estate Asking Price$281919
Average Real Estate Sale Price$296714
Current Unemployment Level 4.6%
Previous Month Unemployment Level4.7%
Unemployment Level 1 Year Ago2.6%
2012 Hardiness ZoneZone 7a: 0F to 5F
1990 Hardiness ZoneZone 7a: 0F to 5F
Köppen Climate ClassificationCfa - Humid Subtropical Climate
Ecoregion 64c - Piedmont Uplands
Average First Frost DatesOctober 11 - 20
Average Last Frost DatesApril 21 - 31

Zip Code 21045 Annual Climate Data

Avg Min Temp (°F)24263342526165645745362844
Avg Max Temp (°F)42455566758387867968564666
Avg Precip (In.)3.472.974.083.374.573.763.993.754.173.493.583.4644.67
Core Based Statistical
Area (CBSA)
Baltimore-Towson, MD
CBSA Type21045
CBSA Population2699667
Time ZoneEastern Daylight Time
IANA Time ZoneAmerica/New_York
Follows DSTYes
GMT Difference-5 Hours