ZIP code
21648
Madison, MD
21648 covers Madison in Dorchester County, with 104 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 21648. Methodology
ZIP code map of 21648
About ZIP code 21648
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 21648. Not ACS. Methodology
People in 21648
Race
- White197
- Black or African American22
- American Indian or Alaska Native3
- Asian1
- Other race7
- Two or more races3
Hispanic or Latino (any race): 10
Age
- Under 1028
- 10 to 1932
- 20 to 2916
- 30 to 3925
- 40 to 4926
- 50 to 5931
- 60 to 6939
- 70 to 7928
- 80 and older8
Income and housing in 21648
Education
- High school graduate100.0%
- Bachelor's degree15.2%
- Graduate degree6.3%
Places covering 21648
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.
- Madison65.2%
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
34.8% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 21648
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 186 | |
| 2006 | 174 | |
| 2007 | 189 | |
| 2011 | 312 | |
| 2012 | 308 | |
| 2013 | 358 | |
| 2014 | 330 | |
| 2015 | 308 | |
| 2016 | 267 | |
| 2017 | 292 | |
| 2018 | 256 | |
| 2019 | 175 | |
| 2020 | 126 | |
| 2021 | 116 | |
| 2022 | 181 | |
| 2023 | 104 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 21648
12 nearest ZIP centroids (any distance)
- 21677Woolford4.4 miPop 534 · Income $112,578
- 21669Taylors Island4.4 miPop 102 · Income $104,750
- 21622Church Creek7.8 miPop 335 · Income $69,792
- 21613Cambridge8.7 miPop 18,167 · Income $53,171
- 21654Oxford13.8 miPop 1,195 · Income $88,512
- 20657Lusby13.8 miPop 20,519 · Income $117,776
- 21671Tilghman13.9 miPop 836 · Income $64,514
- 21673Trappe14.1 miPop 2,839 · Income $72,500
- 21662Royal Oak14.4 miPop 612 · Income $133,125
- 21652Neavitt14.7 miPop 170 · Income $126,174
- 21626Crapo14.8 miPop 145 · Income —
- 21634Fishing Creek15.6 miPop 394 · Income $58,750
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 21648, measured by Census internal-point centroids. Try a wider radius.
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 21648 FAQ
- What city is ZIP code 21648 in?
- 21648 is in Madison, MD.
- What county is 21648 in?
- 21648 is in Dorchester County.
- What is the median household income in 21648?
- Median household income is not published for 21648.
- Which ZIP codes are near 21648?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 21648.