ZIP code
21036
Dayton, MD
21036 covers Dayton in Howard County, with 2,162 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 21036. Methodology
ZIP code map of 21036

About ZIP code 21036
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 21036. Not ACS. Methodology
People in 21036
Race
- White1,685
- Black or African American114
- American Indian or Alaska Native2
- Asian295
- Native Hawaiian and Pacific Islander3
- Other race33
- Two or more races175
Hispanic or Latino (any race): 75
Age
- Under 10223
- 10 to 19389
- 20 to 29205
- 30 to 39171
- 40 to 49247
- 50 to 59502
- 60 to 69287
- 70 to 79178
- 80 and older105
Income and housing in 21036
Education
- High school graduate97.8%
- Bachelor's degree68.1%
- Graduate degree28.6%
Places covering 21036
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.
No place overlap rows for this ZIP.
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.
- Howard 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
100.0% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 21036
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 2,234 | |
| 2006 | 2,103 | |
| 2007 | 2,163 | |
| 2008 | 2,114 | |
| 2009 | 2,110 | |
| 2010 | 2,101 | |
| 2011 | 2,591 | 2,239 |
| 2012 | 2,187 | 2,260 |
| 2013 | 2,311 | 2,300 |
| 2014 | 2,469 | 2,310 |
| 2015 | 2,327 | 2,290 |
| 2016 | 2,594 | 2,280 |
| 2017 | 2,368 | 2,280 |
| 2018 | 2,275 | 2,190 |
| 2019 | 2,112 | 2,200 |
| 2020 | 2,243 | 2,230 |
| 2021 | 1,995 | 2,270 |
| 2022 | 2,145 | 2,430 |
| 2023 | 2,162 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 21036
12 nearest ZIP centroids (any distance)
- 21737Glenelg1.4 miPop 2,384 · Income $250,000+
- 21029Clarksville2.9 miPop 13,783 · Income $250,000+
- 21738Glenwood3.3 miPop 3,668 · Income $230,429
- 20833Brookeville3.4 miPop 7,868 · Income $203,631
- 20862Brinklow3.8 miPop 393 · Income $242,721
- 20777Highland4.6 miPop 3,046 · Income $218,808
- 21794West Friendship4.9 miPop 2,326 · Income $223,833
- 20861Ashton6.0 miPop 3,020 · Income $176,094
- 20860Sandy Spring6.0 miPop 2,062 · Income —
- 21723Cooksville6.5 miPop 587 · Income $250,000+
- 21042Ellicott City6.7 miPop 43,021 · Income $190,504
- 20759Fulton6.9 miPop 6,758 · Income $250,000+
ZIP centroids within 2 miles
| ZIP | City | State | Distance (miles) | ACS population | Median income |
|---|---|---|---|---|---|
| 21737 | Glenelg | MD | 1.4 mi | 2,384 | $250,000+ |
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 21036 FAQ
- What city is ZIP code 21036 in?
- 21036 is in Dayton, MD.
- What county is 21036 in?
- 21036 is in Howard County.
- What is the median household income in 21036?
- The median household income in 21036 is $170,313.
- Which ZIP codes are near 21036?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 21036.