21045 ZIP Code – Columbia, Maryland

21045 is a ZIP code serving Columbia, Maryland in Howard County with a population of approximately 40,980 residents. At $115,134, the median household income here runs near the Maryland average and well above the U.S. average. Median home values of $420,400 are well above the national average, with 68.3% owner-occupied housing (decreasing). , and the median rent of $1,602 is above the national average. Housing consists of 73% single-family (decreasing), 25% apartments (increasing).

The area reports an unemployment rate of 5.7%, near the national average. The poverty rate is 8.4%, below the national average. An estimated 57.4% of adults hold a bachelor's degree or higher, well above the national average. The population has a median age of 38.4, near the national median. Nearby ZIP codes include 21046, 21044, 21043.

ZIP Code 21045 Data

Population 40,980
Median Household Income $115,134
Median Home Value $420,400
Median Rent $1,602
Median Age 38.4
Unemployment Rate 5.7%
Poverty Rate 8.4%
Bachelor's Degree or Higher 57.4%
County Howard County
State Maryland

ZIP 21045 vs. Maryland vs. U.S.

MetricZIP 21045MD Avg.U.S. Avg.
Population40k13k10k
Median Household Income$115k$107k$73k
Median Home Value$420k$404k$258k
Median Rent$1,602$1,552$1,088
Median Age38.443.543.2
Unemployment Rate5.7%5.0%5.0%
Poverty Rate8.4%9.4%13.3%
Bachelor's Degree or Higher57.4%37.6%26.9%

Demographics Charts

Race & Ethnicity

Gender

Education Level (adults 25+)

Nearby ZIP Codes

Nearby ZIP Code Comparison

ZIP Code City Population Median Income
21046 COLUMBIA 15,894 $125,280
21044 COLUMBIA 45,100 $123,658
21043 ELLICOTT CITY 47,309 $145,000
21075 ELKRIDGE 36,176 $126,378
20794 JESSUP 16,035 $111,200