NOTE: Gray indicates insufficient data or a suppressed estimate.
Rural zip codes across western and central North Dakota generally exhibit married-couple household rates in the 50–65% range, while several urban cores—particularly those corresponding to Fargo in the southeast and Grand Forks in the northeast—display notably lower rates in the 20–35% range, consistent with higher concentrations of single-person and non-family households in college towns and larger cities. Scattered zip codes throughout the state, especially in agricultural areas of the south-central and southeast regions, reach the highest rates at 70–80%, suggesting tight-knit rural communities with predominantly family-based household structures. The purple-shaded clusters around Native American reservations, including the Fort Berthold and Standing Rock areas, indicate some of the lowest married-couple percentages statewide, reflecting distinct demographic and socioeconomic conditions in those communities.
Data: U.S. Census Bureau, 2023 ACS
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