NOTE: Gray indicates insufficient data or a suppressed estimate.
Household sizes across North Dakota exhibit considerable spatial variation, with several bright yellow clusters indicating average sizes above 3.0 concentrated in the north-central region and scattered through the south-central portion of the state, likely corresponding to areas with larger families or tribal lands such as the Fort Berthold and Standing Rock reservations. The darkest purple zones, reflecting averages near 1.5–1.8, appear in pockets that likely align with college towns and smaller communities with older populations, including areas around Grand Forks and smaller rural centers. The western oil patch region around Williston trends toward moderate household sizes in the 2.4–2.8 range, while the southeastern quadrant displays a relatively mixed pattern without dominant clustering.
Data: U.S. Census Bureau, 2023 ACS
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