Digital Divide Index

The Digital Divide Index or DDI ranges in value from 0 to 100, where 100 indicates the highest digital divide. It is composed of two scores, also ranging from 0 to 100: the infrastructure/adoption (INFA) score and
the socioeconomic (SE) score.

Internet Usage at Broadband Speeds

This layer displays the percent of people who use the internet at broadband speeds (Greater than 25 MBPS download speed). Data is derived from the Microsoft data science and analytics team, using anonymized user data and aggregated to the county level. State level averages were calculated by CARES using county averages weighted by population.

MLab Internet Speed Test

This layer displays the median download speed for a county as measured by the M-Lab speed test, available at speed.measurementlab.net . Data was aggregated from January-June, 2020. Data was accessed via the National Telecommunications and Information Administration (NTIA).

Digital Divide Index

The Digital Divide Index or DDI ranges in value from 0 to 100, where 100 indicates the highest digital divide. It is composed of two scores, also ranging from 0 to 100: the infrastructure/adoption (INFA) score and

Ookla Internet Speed Test

This layer displays the median download speed for a county or tract as measured by the Ookla speed test, available at speedtest.net . Data was aggregated from January-June, 2020. Data was accessed via the National Telecommunications and Information Administration (NTIA).

Auction 904: Rural Digital Opportunity Fund Phase 1 Results

This layer displays the revised winning bid areas of the first phase of the Rural Digital Opportunity Fund, updated in October, 2021. Areas are no longer colored based on performance tier and latency as that data is not available in the updated dataset.

Even more map updates from the 2016-20 American Community Survey!

Click the map link to view the latest estimates for the percentage of the population with access to broadband internet. Data are from the 2016-20 American Community Survey (ACS). Maps are available for counties, ZIP Codes, census tracts, and other geographic areas. Search the Map Room for the terms 2020 ACS to view additional map layers from the American Community Survey.

Microsoft Internet Usage at Broadband Speeds

This layer displays the percent of people who use the internet at broadband speeds (Greater than 25 MBPS download speed). Data is derived from the Microsoft data science and analytics team, using anonymized user data and aggregated to the county level. State level averages were calculated by CARES using county averages weighted by population. New in this data update is usage at the zip code level!