Columbia, MD Demographics & ZIP Codes
Columbia, Maryland demographics and median household income by ZIP code (in Howard County) — 4 ZIP codes — population 114,857 — median income $156,699 — avg. home value $588,325. Compare income, housing, and population across ZIP codes on US5.
Columbia demographics
Columbia, Maryland covers 4 ZIP codes primarily in Howard County, with a combined ZIP-area population of about 114,857.
Across ZIP codes with age data, the average median age is about 39.8 years.
Median household income in Columbia
The average median household income across ZIP codes in Columbia, Maryland is about $156,699 — about 40% above the MD ZIP average ($111,660), and about 109% above the U.S. median ($75,149).
Among ZIPs with income data, 21029 is near the top at about $250,001, while 21045 is near the bottom at about $117,323.
Housing in Columbia
For housing in Columbia, Maryland, the average median home value is about $588,325 and the average median rent is about $2,231.
The most populous ZIP in this set is 21044 (about 44,775 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Columbia
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 21044 | Columbia | Howard County | MD | 44,775 | $132,924 | $541,100 |
| 21045 | Columbia | Howard County | MD | 40,866 | $117,323 | $438,500 |
| 21046 | Columbia | Howard County | MD | 15,433 | $126,549 | $469,000 |
| 21029 | Columbia | Howard County | MD | 13,783 | $250,001 | $904,700 |
Frequently asked questions
What are the demographics of Columbia?
Columbia, Maryland has a combined ZIP-area population of about 114,857 across 4 ZIP codes (primarily Howard County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Columbia?
The average median household income across ZIP codes in Columbia, Maryland is about $156,699, about 40% above the state ZIP average ($111,660), and about 109% above the U.S. median ($75,149). Average median home value is about $588,325. Among ZIPs with data, 21029 is near the top ($250,001) and 21045 is near the bottom ($117,323).
How many ZIP codes are in Columbia?
Columbia, Maryland includes 4 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Columbia?
This page lists ZIP codes in Columbia, Maryland with population, median household income, and home value. Select a ZIP for a full demographics profile.