placestats

Share separated and Premature mortality

Where Share separated is higher, Premature mortality tends to be higher. The link is weak: +0.35 across 2,170 counties, on a scale from −1 (opposite) to +1 (in step). That figure compares places with the same population density, income and education, so those differences can't explain it. It holds inside states too. Measured separately within each of 33 states, the middle value of the link is +0.47.

Holds 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 separated

The percentage of people aged 15 and over who are separated. This is not a fifth group next to the other four. The Census counts a separated person as married with the spouse away, so this is part of the married share and must never be added to it.

Census ACS 5-year · ACS table B12001_007…B12001_016 (2 cells), divided by population aged 15 and over

Premature mortality

Deaths before age 75 per 100,000 people. It is adjusted so places with older or younger populations can be compared fairly.

County Health Rankings · County Health Rankings v127

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 separated

By premature mortality

Share separatedPremature mortality
Highest
Corson County, SD1.69%1,445
Todd County, SD3.68%1,413
McDowell County, WV1.74%1,106
Petersburg city, VA3.75%1,097
McKinley County, NM2.29%1,079
Lowest
Eagle County, CO0.766%167
San Juan County, WA1.21%168
Loudoun County, VA1.17%181
Fairfax County, VA1.32%182
Summit County, UT1.21%192
States

By share separated

Share separatedPremature mortality
Highest
Mississippi2.49%629
South Carolina2.35%501
Louisiana2.22%563
New York2.19%336
North Carolina2.18%445
Lowest
Wisconsin0.869%359
North Dakota0.875%381
Minnesota0.888%315
Maine0.97%392
Nebraska0.993%355

By premature mortality

Share separatedPremature mortality
Highest
Mississippi2.49%629
West Virginia1.29%625
Alabama1.92%569
Kentucky1.79%565
Louisiana2.22%563
Lowest
Massachusetts1.52%303
Hawaii1.2%310
Minnesota0.888%315
Utah1.16%317
Connecticut1.22%323
Metro areas

By share separated

Share separatedPremature mortality
Highest
Rio Grande City-Roma, TX5.51%535
Raymondville, TX4.62%619
Orangeburg, SC4.61%726
Bainbridge, GA4.55%699
Henderson, NC4.53%727
Lowest
Mitchell, SD0%328
Dickinson, ND0%362
Ottawa, KS0.332%462
Marquette, MI0.355%359
Alexandria, MN0.412%304

By premature mortality

Share separatedPremature mortality
Highest
Gallup, NM2.29%1,079
Clarksdale, MS3.43%1,070
Middlesborough, KY2.89%929
Cleveland, MS3.46%927
Greenwood, MS3.93%891
Lowest
Edwards, CO0.766%167
Heber, UT0.948%202
Bozeman, MT0.699%207
San Jose-Sunnyvale-Santa Clara, CA1.39%214
Corvallis, OR1.15%222
Cities and towns — Premature mortality is not published for cities and towns

By share separated

Share separatedPremature mortality
Highest
Westgate CDP, FL11%—
Hazard city, KY9.11%—
Central City city, KY6.97%—
Gonzales city, TX6.77%—
Monticello village, NY6.7%—
Lowest
Simsbury Center CDP, CT0%—
Old Greenwich CDP, CT0%—
Oakville CDP, CT0%—
Daniels Farm CDP, CT0%—
Cos Cob CDP, CT0%—
ZIP codes — Premature mortality is not published for ZIP codes

By share separated

Share separatedPremature mortality
Highest
ZIP 39095 (Holmes County, MS)10.2%—
ZIP 79901 (El Paso city, TX)9.93%—
ZIP 63106 (St. Louis city, MO)8.33%—
ZIP 33128 (Miami city, FL)8.26%—
ZIP 36784 (Clarke County, AL)8.07%—
Lowest
ZIP 08502 (Somerset County, NJ)0%—
ZIP 08230 (Cape May County, NJ)0%—
ZIP 08056 (Gloucester County, NJ)0%—
ZIP 07981 (Whippany CDP, NJ)0%—
ZIP 07757 (Oceanport borough, NJ)0%—

Counties furthest from the pattern

Compared with the straight line that best fits all 2,173 counties: the five with far more premature mortality than their share separated would suggest, and the five with far less.

Share separatedPremature mortality
Above the line
Corson County, SD1.69%1,445
Todd County, SD3.68%1,413
McDowell County, WV1.74%1,106
La Paz County, AZ0.878%1000
Mingo County, WV1.47%1,014
Below the line
Aleutians West Census Area, AK4.23%229
Manassas Park city, VA3.42%225
Woodruff County, AR6.36%606
Starr County, TX5.51%535
Seward County, KS4.04%396

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+0.5792,170 counties reporting both
After adjusting for density, income and education+0.355the part of the link that is not just how urban, rich and educated a place is
Also adjusting for population size+0.352size taken out as well as density
Also comparing only within each state+0.201each county is compared only with others in its own state, so this is no longer a comparison between states
Giving bigger counties more weight+0.211the adjusted link for the average resident rather than the average county. With this weighting, the data counts for about 266 equally weighted counties
Middle value inside single states+0.470the link worked out inside each of 33 states with at least 20 counties reporting
Using ranks, after adjusting+0.310uses 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 = 2.8e-65. But counties in the same state tend to resemble each other, so the better figure allows for that: p = 1.3e-7. 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 1.8e-64.

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 separated rose most, did premature mortalitymove 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 pandemic2,259+0.02+0.020.625
2019–2023 a repeat check: its two five-year survey figures both include 2019, and it covers the COVID years2,078-0.04+0.010.915

Measured over the nearest years published: Premature mortality: 2013–2019 for the 2014–2019 row; Premature mortality: 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 separated and Premature mortality