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Share with a bachelor's degree or higher and Years of potential life lost

Across 2,889 counties, Share with a bachelor's degree or higher and Years of potential life lost have a link of -0.55, on a scale from −1 (opposite) to +1 (in step). But compare places with the same population density, income and education, and a very weak link of -0.17 remains. Most of the first figure came from both measures following how urban, rich and educated a place is, not from a link with each other.

Mostly gone after adjusting

Every place, plotted

One dot for each place reporting both measures. Hover over or tap a dot to see its name and values. The thin line is the straight line that best fits the dots. The bold line, shown for counties, is the link after adjusting for density, income and education. A dot far from the lines is a place that does not follow the pattern.

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What each measure is

Share with a bachelor's degree or higher

The percentage of adults aged 25 and over who have at least a bachelor's degree. It counts degrees people already have, not people who are in college now.

Census ACS 5-year · ACS table B15003_022…B15003_025 (4 cells), divided by population aged 25 and over

Years of potential life lost

Years of life lost before age 75, per 100,000 people. A death at 25 counts as fifty years lost and a death at 70 as five, so earlier deaths count for more.

County Health Rankings · County Health Rankings v001

Highest and lowest

Where each measure is highest and lowest among the places reporting both (2023), with the other measure beside it. This is shown for every size of place where both are published. Metro-area values are added up from their counties. A measure that cannot be added up across counties, such as a middle value (median), has no metro figure. Counts are shown per 1,000 residents, since raw totals would only list the largest places. Cities and towns and ZIP codes are shown where the Census survey or the CDC publishes them; most other sources stop at the county. They are shown for places of 5,000 residents or more, and only where the survey’s margin of error is small enough for the figure to be usable. The CDC publishes its health estimates for cities in a version adjusted for age, so places with older or younger people can be compared fairly, but not for ZIP codes.

Counties

By share with a bachelor's degree or higher

Share with a bachelor's degree or higherYears of potential life lost
Highest
Falls Church city, VA79.7%6,199
Arlington County, VA77.1%3,513
Los Alamos County, NM68.2%3,583
Alexandria city, VA65.8%4,702
Howard County, MD64.5%4,573
Lowest
McDowell County, WV5.75%24,029
Elliott County, KY6.22%10,155
Newton County, TX6.23%14,450
Lee County, AR6.87%18,152
Reeves County, TX6.87%10,008

By years of potential life lost

Share with a bachelor's degree or higherYears of potential life lost
Highest
Buffalo County, SD6.99%46,418
Dewey County, SD17.3%41,916
Oglala Lakota County, SD9.78%40,417
Corson County, SD19.2%37,698
Sioux County, ND11.2%35,129
Lowest
San Juan County, WA53.4%3,315
Loudoun County, VA64%3,355
Pitkin County, CO64%3,488
Arlington County, VA77.1%3,513
Los Alamos County, NM68.2%3,583
States

By share with a bachelor's degree or higher

Share with a bachelor's degree or higherYears of potential life lost
Highest
District of Columbia63.6%9,241
Massachusetts46.6%5,975
Colorado44.7%7,405
New Jersey42.9%6,562
Maryland42.7%8,091
Lowest
West Virginia23.3%13,324
Mississippi24.2%13,328
Arkansas25.1%11,384
Louisiana26.6%12,185
Kentucky27%11,687

By years of potential life lost

Share with a bachelor's degree or higherYears of potential life lost
Highest
Mississippi24.2%13,328
West Virginia23.3%13,324
New Mexico30.2%12,363
Louisiana26.6%12,185
Alabama27.8%11,853
Lowest
Massachusetts46.6%5,975
Hawaii35.5%6,299
Utah36.9%6,429
Minnesota38.8%6,462
Rhode Island37.3%6,529
Metro areas

By share with a bachelor's degree or higher

Share with a bachelor's degree or higherYears of potential life lost
Highest
Los Alamos, NM68.2%3,583
Boulder, CO63.9%4,571
Ithaca, NY59.3%5,563
Nantucket, MA58.4%4,855
Ann Arbor, MI58.1%5,792
Lowest
Town of Pecos, TX6.87%10,008
Summerville, GA10.7%14,488
Arcadia, FL11%11,835
Eufaula, AL-GA11.3%12,739
Clewiston, FL11.3%10,671

By years of potential life lost

Share with a bachelor's degree or higherYears of potential life lost
Highest
Gallup, NM12.5%27,593
Clarksdale, MS19%22,826
Show Low, AZ17.6%21,728
Española, NM18.8%21,299
Selma, AL17%20,427
Lowest
Los Alamos, NM68.2%3,583
Corvallis, OR54.4%4,158
San Jose-Sunnyvale-Santa Clara, CA54.8%4,202
Bozeman, MT53.1%4,276
Edwards, CO50.3%4,321
Cities and towns — Years of potential life lost is not published for cities and towns

By share with a bachelor's degree or higher

Share with a bachelor's degree or higherYears of potential life lost
Highest
University at Buffalo CDP, NY97.3%—
Stanford CDP, CA91.1%—
Scarsdale village, NY90.7%—
West University Place city, TX90.5%—
University Park city, TX90.4%—
Lowest
Binghamton University CDP, NY0%—
Corcoran city, CA3.16%—
McFarland city, CA4.11%—
Mecca CDP, CA4.26%—
Good Hope CDP, CA4.28%—
ZIP codes — Years of potential life lost is not published for ZIP codes

By share with a bachelor's degree or higher

Share with a bachelor's degree or higherYears of potential life lost
Highest
ZIP 19383 (Chester County, PA)98.6%—
ZIP 02210 (Boston city, MA)93.1%—
ZIP 53726 (Madison city, WI)91.8%—
ZIP 60654 (Chicago city, IL)91.8%—
ZIP 10069 (New York city, NY)91%—
Lowest
ZIP 36849 (Auburn city, AL)0%—
ZIP 13902 (Binghamton University CDP, NY)0%—
ZIP 92254 (Riverside County, CA)3.03%—
ZIP 89070 (Clark County, NV)3.45%—
ZIP 73108 (Oklahoma City city, OK)3.61%—

Counties furthest from the pattern

Compared with the straight line that best fits all 2,893 counties: the five with far more years of potential life lost than their share with a bachelor's degree or higher would suggest, and the five with far less.

Share with a bachelor's degree or higherYears of potential life lost
Above the line
Buffalo County, SD6.99%46,418
Dewey County, SD17.3%41,916
Oglala Lakota County, SD9.78%40,417
Corson County, SD19.2%37,698
Benson County, ND22.1%35,011
Below the line
Colfax County, NE14.1%4,195
Lyon County, IA20.8%4,025
Holmes County, OH11%6,124
Brown County, IL15.1%5,303
LaGrange County, IN11.1%6,291

Two series, one county

Both measures over time for a county you pick. The two charts are stacked, so they share only the years along the bottom. You can pick from the thirty largest counties reporting both. This panel covers 2010–2024, and a measure published only once shows as a single dot.

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Every version of the link

Each row measures the same link, from −1 to +1, in a different way. If the rows mostly agree, the link does not depend on one choice of method.

Before adjusting for anything-0.5512,889 counties reporting both
After adjusting for density, income and education-0.167the part of the link that is not just how urban, rich and educated a place is
Also adjusting for population size-0.162size taken out as well as density
Also comparing only within each state-0.202each county is compared only with others in its own state, so this is no longer a comparison between states
Giving bigger counties more weight-0.190the adjusted link for the average resident rather than the average county. With this weighting, the data counts for about 281 equally weighted counties
Middle value inside single states-0.587the link worked out inside each of 39 states with at least 20 counties reporting
Using ranks, after adjusting-0.270uses each county’s rank, not its value, so a few extreme counties cannot create the link

How much to believe it

Could it be chance?

The p-value is the chance of seeing a link this strong if there were really none. A value of 0.05 or less means the link is unlikely to be chance. Very small values are written in short form: 3.1e-16 means 0.00000000000000031, and the bigger the number after “e-”, the smaller the value. Treating every county as a separate case gives p = 1.5e-19. But counties in the same state tend to resemble each other, so the better figure allows for that: p = 2.9e-8. The site tested 20,910 pairs, and testing so many turns up some flukes. The q-value allows for that too. For this pair it is 4.7e-19.

Do nearby places look alike?

Moran’s I measures how much nearby places look alike: 0 means no map pattern, and higher means neighbours are more similar. For the part of each county that the adjustment leaves unexplained, it is +0.35 (p = 0.001). That unexplained part still clusters on the map. So some regional factor shared by both measures is not accounted for.

Did they change together?

The figures above compare counties at one moment. This asks a different question: where share with a bachelor's degree or higher rose most, did years of potential life lostmove too? Each county’s change is compared with the average change in its own state. That takes out ups and downs that hit a whole region at once. Each change is the gap between two estimates that both contain some error. That error pulls these links towards zero, so a weak one is weak partly for that reason. The q column shows whether a link could be a fluke, allowing for the many pairs tested: 0.05 or less means it is unlikely to be chance.

PeriodCountiesChange togetherWithin statesq
2014–2019 the main test: each Census survey figure averages five years, and these two do not overlap; before the pandemic2,840-0.01-0.020.462
2019–2023 a repeat check: its two five-year survey figures both include 2019, and it covers the COVID years2,838-0.10-0.090.001

Measured over the nearest years published: Years of potential life lost: 2019–2022 for the 2019–2023 row.

Over the main period, any link between the changes could easily be chance. How change is measured.

Related pairs

Association only. Nothing here shows that either measure changes the other. This describes counties, not the people in them. Two measures going together across places does not mean the same people have both. How the US county data works · Explore Share with a bachelor's degree or higher and Years of potential life lost