ZIP code 21036: Dayton, MD
21036 is a ZIP code in Dayton, Maryland, mainly in Howard County, part of the Baltimore-Columbia-Towson, MD metro area. About 2,569 people live here.
- Population
- 2,569
- Median household income
- $218,036
- Typical home value
- $1,008,300+3.4% in 12 months
- Median rent
- —gross, per month
- Median age
- 48.8
- Homeowners
- 99.3%of occupied homes
Shaded: ZIP code 21036's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 21036 details
| City | Dayton |
|---|---|
| State | Maryland |
| County | Howard County |
| Metro area | Baltimore-Columbia-Towson, MD |
| Time zone | Eastern Time (UTC−5), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 6.3 sq mi, plus 0.4 sq mi of water |
| Population density | 411 people per sq mi |
| Bachelor's degree or higher | 71.3% of adults 25+ |
| Average commute | 32.6 minutes |
| Center coordinates | 39.23464, -77.00674 |
ZIP codes near 21036
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 21737 | Glenelg, MD | 1.4 mi | 2,474 |
| 21029 | Clarksville, MD | 2.9 mi | 13,607 |
| 21738 | Glenwood, MD | 3.3 mi | 3,696 |
| 20833 | Brookeville, MD | 3.4 mi | 7,860 |
| 21041 | Ellicott City, MD | 3.5 mi | — |
| 21150 | Simpsonville, MD | 3.5 mi | — |
| 20862 | Brinklow, MD | 3.8 mi | 430 |
| 20777 | Highland, MD | 4.6 mi | 3,221 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 21036?
A typical home in ZIP code 21036 is worth about $1,008,300 (Zillow Home Value Index). The median household here earns $218,036 a year. See what buying here would cost per month, with Maryland average taxes and insurance filled in.
Monthly payment for a $1,008,300 homeWhat can a $218,036 income afford?Rental property numbers
About ZIP code 21036
What city is ZIP code 21036?
ZIP code 21036 is in Dayton, MD, in Howard County.
What county is ZIP code 21036 in?
21036 is mainly in Howard County, Maryland.
What is the population of ZIP code 21036?
About 2,569 people live in ZIP code 21036, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 21036 in?
21036 is in Eastern Time (UTC−5). It observes daylight saving time.