ZIP code
21044
Columbia, MD
21044 covers Columbia in Howard County, with 44,775 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 21044. Methodology
ZIP code map of 21044

About ZIP code 21044
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 21044. Not ACS. Methodology
People in 21044
Race
- White20,722
- Black or African American12,340
- American Indian or Alaska Native225
- Asian5,204
- Native Hawaiian and Pacific Islander24
- Other race1,750
- Two or more races4,019
Hispanic or Latino (any race): 3,978
Age
- Under 104,760
- 10 to 195,161
- 20 to 296,208
- 30 to 396,361
- 40 to 495,618
- 50 to 595,768
- 60 to 695,034
- 70 to 793,532
- 80 and older1,842
Income and housing in 21044
Education
- High school graduate96.2%
- Bachelor's degree67.3%
- Graduate degree36.1%
Places covering 21044
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Columbia97.3%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Howard County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
2.7% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 21044
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 39,181 | |
| 2006 | 37,501 | |
| 2007 | 38,647 | |
| 2008 | 38,051 | |
| 2009 | 38,940 | |
| 2010 | 39,534 | |
| 2011 | 41,314 | 39,541 |
| 2012 | 40,854 | 39,750 |
| 2013 | 41,906 | 40,050 |
| 2014 | 42,011 | 39,790 |
| 2015 | 42,123 | 40,170 |
| 2016 | 43,034 | 40,000 |
| 2017 | 43,535 | 40,540 |
| 2018 | 44,034 | 40,280 |
| 2019 | 44,256 | 40,330 |
| 2020 | 45,741 | 40,350 |
| 2021 | 44,662 | 39,640 |
| 2022 | 45,100 | 39,870 |
| 2023 | 44,775 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 21044
12 nearest ZIP centroids (any distance)
- 21045Columbia2.7 miPop 40,866 · Income $117,323
- 21046Columbia3.2 miPop 15,433 · Income $126,549
- 21029Clarksville4.4 miPop 13,783 · Income $250,000+
- 20759Fulton4.5 miPop 6,758 · Income $250,000+
- 20723Laurel4.7 miPop 36,319 · Income $129,870
- 21042Ellicott City5.0 miPop 43,021 · Income $190,504
- 20777Highland5.3 miPop 3,046 · Income $218,808
- 21043Ellicott City5.4 miPop 47,134 · Income $141,846
- 20763Savage5.7 miPop 2,320 · Income $119,083
- 20794Jessup5.8 miPop 16,182 · Income $105,441
- 21075Elkridge6.9 miPop 37,146 · Income $133,321
- 20701Annapolis Junction7.0 miPop 749 · Income $81,763
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 21044, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 21044 FAQ
- What city is ZIP code 21044 in?
- 21044 is in Columbia, MD.
- What county is 21044 in?
- 21044 is in Howard County.
- What is the median household income in 21044?
- The median household income in 21044 is $132,924.
- Which ZIP codes are near 21044?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 21044.