10 Highest Income ZIP Codes in Maryland

The top ZIP code for median household income in Maryland is 20759 (Fulton, Howard County), with a median household income of $250,001. Across the top 10 highest income ZIP codes in Maryland, median household income ranges from $250,001 to $231,284, covering communities from Fulton to Gibson Island.

Rank	ZIP	City	County	Median Household Income	Population
1	20759	Fulton	Howard County	$250,001	6,758
2	20854	Potomac	Montgomery County	$250,001	49,694
3	20896	Garrett Park	Montgomery County	$250,001	890
4	21029	Clarksville	Howard County	$250,001	13,783
5	21056	Gibson Island	Anne Arundel County	$250,001	264
6	21723	Woodbine	Howard County	$250,001	587
7	21737	Glenelg	Howard County	$250,001	2,384
8	20862	Ashton	Montgomery County	$242,721	393
9	20817	Bethesda	Montgomery County	$240,104	37,738
10	20816	Bethesda	Montgomery County	$231,284	18,081

Methodology

Rankings are derived from the U.S. Census Bureau American Community Survey 5-Year Estimates, vintage 2019 to 2023, joined to USPS ZIP Code Tabulation Areas. We rank by median household income and surface the top 10 ZIP codes within Maryland. Values reflect ZCTA-level estimates and may differ slightly from city-level figures. Compiled and reviewed by the Zip Code Near Me Data Team.

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Reviewed by Zip Code Near Me Data Team. Last verified June 13, 2026.

10 Highest Income ZIP Codes in Maryland

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