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

NOTE: Gray indicates insufficient data or a suppressed estimate.

Married-couple household rates in Idaho display a clear north-south gradient, with many zip codes in the rural southeastern and eastern portions of the state—particularly in the Upper Snake River Plain and Bear Lake region—reaching 70–80%, consistent with areas of higher LDS population concentration. In contrast, zip codes in and around Boise, Moscow, and several mountain resort communities in the central part of the state fall notably lower, often below 40%, reflecting younger, more transient, or college-town demographics. The panhandle region exhibits significant intra-regional variation, with deep blue pockets near Coeur d'Alene and Moscow adjacent to bright yellow exurban zip codes just a few miles away.

Data: U.S. Census Bureau, 2023 ACS

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