ZIP code
21655
Preston, MD
21655 covers Preston in Caroline County, with 4,995 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 21655. Methodology
ZIP code map of 21655
About ZIP code 21655
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 21655. Not ACS. Methodology
People in 21655
Race
- White3,909
- Black or African American525
- American Indian or Alaska Native9
- Asian29
- Native Hawaiian and Pacific Islander2
- Other race101
- Two or more races223
Hispanic or Latino (any race): 169
Age
- Under 10493
- 10 to 19615
- 20 to 29451
- 30 to 39616
- 40 to 49553
- 50 to 59742
- 60 to 69688
- 70 to 79451
- 80 and older189
Income and housing in 21655
Education
- High school graduate92.0%
- Bachelor's degree25.4%
- Graduate degree12.9%
Places covering 21655
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.
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 County99.9%
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
83.3% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 21655
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 4,900 | |
| 2006 | 4,737 | |
| 2007 | 5,035 | |
| 2008 | 4,778 | |
| 2009 | 4,635 | |
| 2010 | 4,604 | |
| 2011 | 5,030 | 4,511 |
| 2012 | 4,945 | 4,560 |
| 2013 | 5,132 | 4,510 |
| 2014 | 5,148 | 4,460 |
| 2015 | 5,170 | 4,470 |
| 2016 | 5,333 | 4,460 |
| 2017 | 5,394 | 4,560 |
| 2018 | 4,966 | 4,480 |
| 2019 | 4,747 | 4,560 |
| 2020 | 4,763 | 4,510 |
| 2021 | 4,679 | 4,440 |
| 2022 | 4,753 | 4,360 |
| 2023 | 4,995 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 21655
12 nearest ZIP centroids (any distance)
- 21643Hurlock7.2 miPop 5,176 · Income $61,708
- 21632Federalsburg7.6 miPop 6,227 · Income $59,808
- 21625Cordova9.0 miPop 1,837 · Income $93,589
- 21629Denton9.2 miPop 10,285 · Income $70,117
- 21664Secretary9.7 miPop 598 · Income $68,333
- 21601Easton10.0 miPop 24,095 · Income $81,837
- 21673Trappe10.0 miPop 2,839 · Income $72,500
- 21631East New Market11.3 miPop 2,580 · Income $69,095
- 21641Hillsboro12.0 miPop 130 · Income $65,417
- 21654Oxford12.4 miPop 1,195 · Income $88,512
- 21659Rhodesdale13.2 miPop 1,480 · Income $68,889
- 21657Queen Anne13.9 miPop 1,533 · Income $106,588
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 21655, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 21655 FAQ
- What city is ZIP code 21655 in?
- 21655 is in Preston, MD.
- What county is 21655 in?
- 21655 is in Caroline County.
- What is the median household income in 21655?
- The median household income in 21655 is $85,608.
- Which ZIP codes are near 21655?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 21655.