ZIP code
21640
Henderson, MD
21640 covers Henderson in Caroline County, with 1,251 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 21640. Methodology
ZIP code map of 21640
About ZIP code 21640
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 21640. Not ACS. Methodology
People in 21640
Race
- White1,177
- Black or African American57
- American Indian or Alaska Native17
- Asian4
- Native Hawaiian and Pacific Islander1
- Other race362
- Two or more races180
Hispanic or Latino (any race): 547
Age
- Under 10285
- 10 to 19252
- 20 to 29269
- 30 to 39224
- 40 to 49175
- 50 to 59247
- 60 to 69163
- 70 to 79134
- 80 and older49
Income and housing in 21640
Education
- High school graduate81.0%
- Bachelor's degree14.6%
- Graduate degree1.4%
Places covering 21640
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.
- Henderson7.8%
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 County93.7%
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
92.2% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 21640
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 1,294 | |
| 2006 | 1,274 | |
| 2007 | 1,356 | |
| 2008 | 1,362 | |
| 2009 | 1,373 | |
| 2010 | 1,435 | |
| 2011 | 1,428 | 1,342 |
| 2012 | 1,367 | 1,350 |
| 2013 | 1,224 | 1,470 |
| 2014 | 1,284 | 1,510 |
| 2015 | 1,434 | 1,440 |
| 2016 | 1,359 | 1,460 |
| 2017 | 1,617 | 1,510 |
| 2018 | 1,440 | 1,470 |
| 2019 | 1,499 | 1,500 |
| 2020 | 1,467 | 1,500 |
| 2021 | 1,627 | 1,500 |
| 2022 | 1,374 | 1,470 |
| 2023 | 1,251 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 21640
12 nearest ZIP centroids (any distance)
- 21636Goldsboro3.9 miPop 913 · Income $66,818
- 21644Ingleside4.4 miPop 82 · Income —
- 21607Barclay4.9 miPop 538 · Income $88,702
- 19964Marydel5.5 miPop 1,570 · Income $95,250
- 21649Marydel5.7 miPop 1,938 · Income $58,464
- 21639Greensboro7.8 miPop 4,621 · Income $59,274
- 21660Ridgely8.6 miPop 4,244 · Income $76,917
- 21668Sudlersville8.6 miPop 1,973 · Income $80,938
- 21623Church Hill8.7 miPop 2,482 · Income $77,014
- 19953Hartly9.0 miPop 4,614 · Income $71,466
- 19934Camden Wyoming10.4 miPop 13,579 · Income $79,100
- 21617Centreville12.1 miPop 10,614 · Income $117,668
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 21640, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 21640 FAQ
- What city is ZIP code 21640 in?
- 21640 is in Henderson, MD.
- What county is 21640 in?
- 21640 is in Caroline County.
- What is the median household income in 21640?
- The median household income in 21640 is $65,952.
- Which ZIP codes are near 21640?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 21640.