Daily Maps · October 1, 2026 · Archive
Life expectancy by county: a 29-year gap from highest to lowest
Life Expectancy is shown for the 3,057 counties that report it. The national median county sits at 75.8358; the range runs from 60.1049 to 89.3706. Highest: Liberty County, MT (89.3706); Eagle County, CO (88.9085); San Miguel County, CO (88.2521); Ouray County, CO (87.483). Lowest: Oglala Lakota County, SD (60.1049); Roosevelt County, MT (61.1734); Todd County, SD (61.3558); Dewey County, SD (61.3605). Among counties over half a million people, the highest are Fairfax County, VA (84.8697); San Mateo County, CA (84.47); Santa Clara County, CA (84.1483). Sources: County Health Rankings 2024.
How to read this map
A county is drawn solid navy when it falls inside every range the map sets, dotted when it misses one, and hatched when it reports no figure for one of the measures, so a hatched county is neither a match nor a miss. On a heatmap, darker means a higher value and a faded county sits outside the range. The count in the title is the count on the day the map ran.
The figures are the same ones behind every county page on this site: Census population and household income, Zillow home values, HUD fair market rents, County Health Rankings measures of crime and health, NOAA temperatures and USDA amenity scores, each stored with its publication year and listed below for this map. "Play with this map" opens the live county map with these ranges already set, so you can move a handle and watch the count change; "Make your own" starts from a blank map.
Sources
- County Health Rankings 2024
Solid navy marks counties inside every range on this map, dotted counties miss one or all of them, and hatched counties have no figure for that measure. On a heatmap, darker means higher and faded counties fall outside the range.