NOTE: Gray indicates insufficient data or a suppressed estimate.
Broadband adoption across Iowa's zip codes generally falls in the 75–90% range, with notable pockets of higher connectivity (above 90%) concentrated in suburban areas surrounding Des Moines, Cedar Rapids, and the Iowa City corridor. Rural zip codes in southern Iowa and parts of western Iowa display consistently lower broadband penetration, often dipping below 70%, while scattered zip codes in the extreme southeast corner near the Missouri border register some of the state's lowest rates at or below 50%. A few small, isolated zip codes throughout the central and northern portions of the state also appear as dark outliers, likely reflecting very small population bases where a handful of unconnected households significantly skew the percentage.
Data: U.S. Census Bureau, 2023 ACS
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