Married Couple (% of all Households) by Zip Code (ZCTA5) — Maine

NOTE: Gray indicates insufficient data or a suppressed estimate.

Married-couple household shares in Maine follow a clear urban-rural gradient, with the lowest concentrations (below 30%) clustered in southern coastal cities like Portland and in college towns such as Orono and Farmington, while rural interior and northern zip codes generally range from 50% to over 70%. The far northern Aroostook County region displays notable heterogeneity, with pockets of both high and low married-couple rates, contrasting with the more uniformly moderate values across the central highlands. Several small yellow-shaded zip codes scattered across the state—likely exurban or seasonal communities—reach married-couple shares near 80%, standing out sharply against adjacent areas.

Data: U.S. Census Bureau, 2023 ACS

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