ZIP code
21664
Secretary, MD
21664 covers Secretary in Dorchester County, with 598 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 21664. Methodology
About ZIP code 21664
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 21664. Not ACS. Methodology
People in 21664
Race
- White411
- Black or African American19
- American Indian or Alaska Native4
- Other race16
- Two or more races22
Hispanic or Latino (any race): 26
Age
- Under 1047
- 10 to 1959
- 20 to 2951
- 30 to 3972
- 40 to 4939
- 50 to 5965
- 60 to 6967
- 70 to 7951
- 80 and older21
Income and housing in 21664
Education
- High school graduate91.4%
- Bachelor's degree17.0%
- Graduate degree8.9%
Places covering 21664
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.
- Secretary100.0%
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.
- Dorchester 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
0.0% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 21664
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 637 | |
| 2006 | 625 | |
| 2007 | 712 | |
| 2008 | 680 | |
| 2011 | 652 | |
| 2012 | 763 | |
| 2013 | 856 | |
| 2014 | 855 | |
| 2015 | 759 | |
| 2016 | 681 | 590 |
| 2017 | 620 | |
| 2018 | 439 | |
| 2019 | 445 | |
| 2020 | 497 | |
| 2021 | 648 | |
| 2022 | 642 | |
| 2023 | 598 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 21664
12 nearest ZIP centroids (any distance)
- 21631East New Market1.8 miPop 2,580 · Income $69,095
- 21643Hurlock4.9 miPop 5,176 · Income $61,708
- 21835Linkwood5.1 miPop 390 · Income $50,380
- 21673Trappe5.7 miPop 2,839 · Income $72,500
- 21659Rhodesdale8.2 miPop 1,480 · Income $68,889
- 21655Preston9.7 miPop 4,995 · Income $85,608
- 21613Cambridge10.2 miPop 18,167 · Income $53,171
- 21654Oxford11.5 miPop 1,195 · Income $88,512
- 21632Federalsburg12.7 miPop 6,227 · Income $59,808
- 21861Sharptown12.8 miPop 806 · Income $85,714
- 21837Mardela Springs14.4 miPop 2,975 · Income $71,667
- 21601Easton14.9 miPop 24,095 · Income $81,837
ZIP centroids within 2 miles
| ZIP | City | State | Distance (miles) | ACS population | Median income |
|---|---|---|---|---|---|
| 21631 | East New Market | MD | 1.8 mi | 2,580 | $69,095 |
ZIPs within 2 miles of this place
Default is 2 miles. Distances are between ZIP centroids. Widen the radius if nothing is in range.
ZIP code 21664 FAQ
- What city is ZIP code 21664 in?
- 21664 is in Secretary, MD.
- What county is 21664 in?
- 21664 is in Dorchester County.
- What is the median household income in 21664?
- The median household income in 21664 is $68,333.
- Which ZIP codes are near 21664?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 21664.