ZIP code
21639
Greensboro, MD
21639 covers Greensboro in Caroline County, with 4,621 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 21639. Methodology
ZIP code map of 21639
About ZIP code 21639
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 21639. Not ACS. Methodology
People in 21639
Race
- White3,424
- Black or African American316
- American Indian or Alaska Native24
- Asian31
- Native Hawaiian and Pacific Islander1
- Other race201
- Two or more races357
Hispanic or Latino (any race): 342
Age
- Under 10562
- 10 to 19606
- 20 to 29506
- 30 to 39571
- 40 to 49547
- 50 to 59575
- 60 to 69529
- 70 to 79327
- 80 and older131
Income and housing in 21639
Education
- High school graduate83.2%
- Bachelor's degree12.2%
- Graduate degree4.9%
Places covering 21639
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.
- Greensboro44.1%
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.
- Caroline 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
55.9% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 21639
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 4,088 | |
| 2006 | 3,924 | |
| 2007 | 4,312 | |
| 2008 | 4,062 | |
| 2009 | 4,003 | |
| 2010 | 4,008 | |
| 2011 | 4,546 | 3,957 |
| 2012 | 4,647 | 3,990 |
| 2013 | 4,845 | 4,010 |
| 2014 | 4,424 | 4,030 |
| 2015 | 4,482 | 3,990 |
| 2016 | 4,379 | 4,040 |
| 2017 | 4,540 | 4,010 |
| 2018 | 4,639 | 4,070 |
| 2019 | 5,279 | 4,020 |
| 2020 | 5,410 | 4,160 |
| 2021 | 4,881 | 4,030 |
| 2022 | 4,734 | 4,210 |
| 2023 | 4,621 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 21639
12 nearest ZIP centroids (any distance)
- 21636Goldsboro4.0 miPop 913 · Income $66,818
- 21660Ridgely5.7 miPop 4,244 · Income $76,917
- 21629Denton7.3 miPop 10,285 · Income $70,117
- 21640Henderson7.8 miPop 1,251 · Income $65,952
- 21641Hillsboro9.0 miPop 130 · Income $65,417
- 19952Harrington9.6 miPop 10,730 · Income $78,333
- 19943Felton9.9 miPop 13,167 · Income $77,247
- 19964Marydel10.0 miPop 1,570 · Income $95,250
- 21657Queen Anne10.8 miPop 1,533 · Income $106,588
- 21644Ingleside12.0 miPop 82 · Income —
- 19934Camden Wyoming12.0 miPop 13,579 · Income $79,100
- 21625Cordova12.5 miPop 1,837 · Income $93,589
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 21639, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 21639 FAQ
- What city is ZIP code 21639 in?
- 21639 is in Greensboro, MD.
- What county is 21639 in?
- 21639 is in Caroline County.
- What is the median household income in 21639?
- The median household income in 21639 is $59,274.
- Which ZIP codes are near 21639?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 21639.