% of Households with Broadband Internet, by Zip Code (ZCTA5) — Maine

NOTE: Gray indicates insufficient data or a suppressed estimate.

Southern and coastal Maine zip codes generally exhibit the highest broadband adoption rates, frequently exceeding 85–90%, with notable concentrations of yellow-shaded areas around the Portland metro region and midcoast communities. Interior and northern regions display considerably lower penetration, with much of Aroostook County and the central highlands falling into the 60–75% range, and several large, sparsely populated zip codes in the northwestern interior lacking data entirely. A handful of isolated low-connectivity outliers—appearing in deep blue or purple—are scattered along the coast and in far northern areas, likely reflecting small island communities or remote rural populations with limited infrastructure.

Data: U.S. Census Bureau, 2023 ACS

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