The Small Area Health Insurance Estimates (SAHIE) dataset contains annual estimates of the population with and without health insurance. Data are available by age group and sex. This update reports information about calendar year 2024; data were released by the US Census Bureau in August, 2026.
New maps and data now available for Hospital Inpatient Stays, 30-Day Hospital Readmissions, Emergency Room Visits, and Medicare Enrollment.
The CMS Medicare and Medicaid indicators and maps have been updated to 2024 using data from the Medicare Geographic Variation Public Use File (National, State, and County).
Area in Tree Canopy
This layer shows the percentage of land area covered by tree canopy based on data from the 2021 The National Land Cover Database (NLCD) Percent Tree Canopy Collection. Figures are also available as population weighted percentages based on 2020 American Community Survey Estimates.
Small Area Health Insurance Estimates (SAHIE)
Layers update the Small Area Health Insurance Estimates (SAHIE) from the U.S. Census Bureau for the year 2011. In addition to updating the county information, new data was added at the state level including racial breakdowns for populations without insurance.
Uninsured Population by County
Layer displays information about the insurance status of the population age 0-64. The data are from the 2012 Small Area Health Insurance Estimates, released by the US Census Bureau in March 2014.
Uninsured Population by County
Layer displays information about the insurance status of the population age 0-64. The data are from the 2013 Small Area Health Insurance Estimates, released by the US Census Bureau in March 2015.
Wireless Internet Service Areas, 25MBPS or Higher
This layer displays the service area for terrestrial/fixed wireless high speed internet as of June 2014. Mapped service areas do not include mobile/cellular wireless data providers. Providers of fixed wireless broadband services typically provide equipment to customers and install a small antenna or dish somewhere on the roof. This equipment is usually deployed as a service and maintained by the company providing that service. Fixed wireless services have become particularly popular in many rural areas where Cable, DSL or other typical home Internet services are not available.
Wired Internet Service Areas, 25MBPS or Higher
This layer displays the service area for wired high-speed internet connections as of June 2014. Wired connection types include DSL, cable, and fiber internet providers.
High-Speed Internet, Maximum Download Speeds
This layer displays the maximum advertised download speed available from fixed internet (DSL, cable, fiber, etc.) and terrestrial/fixed wireless internet providers.
Average Number of High-Speed Internet Providers
This layer displays the average number of high-speed internet providers as of June 2017. Data are available by county, census tract, and census block group. Values are population-weighted; calculations do not include internet access based solely on cellular internet providers.