Married Couple (% of all Households) by Zip Code (ZCTA5) — Washington D.C. Metro

NOTE: Gray indicates insufficient data or a suppressed estimate.

Married-couple households concentrate most heavily in the outer suburban ring, particularly in western Fairfax and Loudoun counties and parts of northern Montgomery County, where many zip codes exceed 70–80% of all households. In sharp contrast, central Washington D.C. exhibits the lowest rates in the metro area—often below 25%—reflecting the city's large share of single-person and non-family households. A clear suburban gradient radiates outward from the District, with intermediate values in inner-ring communities like Rockville, Bowie, and Alexandria transitioning to the highest concentrations at the metropolitan periphery.

Data: U.S. Census Bureau, 2023 ACS

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