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Zip Code 21036 — Dayton, MD

21036 is a ZIP Code associated with Dayton, MD, located within Howard. The postal region supports an estimated population of 2,569 residents across Data Pending housing units, with a population density of 158.6 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.234160, -77.002230)

Data Metric	Local Statistic
Postal / Zip Code	21036
Primary City	Dayton
State / Province	MD
County	Howard
Total Population	2,569
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	158.6 people/sq mi
Timezone	America/New_York

How 21036 Compares

Metric	ZIP 21036	Howard County	MD State Average
Population	2,569	335,512	6,205,597
Median Income	Data Pending	N/A	N/A
Population Density	158.6 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 21737	Glenelg	1.7 mi	2,474	N/A
Zip 21029	Clarksville	3.3 mi	13,607	N/A
Zip 21738	Glenwood	3.4 mi	3,696	N/A
Zip 20833	Brookeville	3.5 mi	7,860	N/A
Zip 20862	Brinklow	3.8 mi	430	N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →