The US Census Bureau gathers information beyond a simple head count of household occupants. This infographic displays digital connectivity in the United States, showing just how prevalent home internet access is across the country.
The data displayed doesn’t identify mobile internet access, which probably duplicates home access or might actually supply access where hard-wired internet access, offered by cable and phone companies in combination packages with telephone and TV/OTT services, doesn’t reach.

digital nation: computer and internet use in the United States
Source:

U.S. Census Bureau, 2014 American Community Survey.

U.S. Census Bureau. The data for 1984 and 1997 are from the Current Population Survey and can be sourced from data products available at Source: U.S. Census Bureau. The data for 1984 and 1997 are from the Current Population Survey and can be sourced from data products available at www.census.gov/hhes/computer/. Estimates for 2013 and 2014 are from the American Community Survey (ACS). Overall rates of computer and Internet use for 2013 and 2014 can be sourced from published ACS data products, specifically tables DP02 and B28002, both available in American Factfinder (AFF). The state and metro maps can be sourced to table GCT2801 in AFF. All other estimates in this graphic are based on independent calculations from the 2014 ACS microdata file.