Black-white residential segregation
How unevenly Black and white residents are spread across the county's neighborhoods, from 0 (evenly mixed) to 100 (completely separate). It is the share of either group who would have to move for the two groups to be spread the same way. It is only calculated where both groups live in large enough numbers.
Reported for2,064areas, in 51 states — none in PR
Link to density0.10not mostly about how urban a place is
Nearby places alike0.43Moran’s I: strongly, neighbouring places tend to be similar
Typerateindex, 0 to 100
How it has moved
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Every state, every year
One row per state and one column per year, sorted by the latest value. It shows states, not counties: nobody can scan 3,222 rows, and the pattern only shows when it all fits on one screen.
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Where it comes from
County Health Rankings · County Health Rankings v141
University of Wisconsin · 13 releases, 2013–2025; each value filed under the last year its data covers, 2010–2023 · 95% likely ranges, converted to 90%; figures based on small counts are withheld
Measured across the county's census tracts (small neighbourhoods). It is the share of Black or white residents who would have to move for the two groups to be spread evenly. Worked out only where both groups live in large enough numbers. Source: County Health Rankings, which compiles each measure from its own source and filed here under the last year of the period it covers.
Combining areas: it cannot be combined, so it is shown only where its publisher works it out.
What it goes with
The strongest links that have a page of their own. Unadjusted is the link before adjusting for anything, from −1 (opposite) to +1 (in step). Adjusted compares places with the same population density, income and education levels, so those differences can’t explain the link. This list leaves out the 0 pairs built from the same numbers or the same model as this measure, since they are bound to match.
| Measure | Unadjusted | Adjusted |
|---|---|---|
| Black-white residential segregation and Share Black, not HispanicWhere Black-white residential segregation is higher, Share Black, not Hispanic tends to be lower: a moderate link that holds when only places with similar density, income and education are compared, and inside states as well. Share Black, not Hispanic by US county | -0.44 | -0.45 |
| Black-white residential segregation and High blood pressureWhere Black-white residential segregation is higher, High blood pressure tends to be lower: a moderate link that holds when only places with similar density, income and education are compared. High blood pressure by US county | -0.41 | -0.45 |
| Black-white residential segregation and Taking blood pressure medicationWhere Black-white residential segregation is higher, Taking blood pressure medication tends to be lower: a moderate link that holds when only places with similar density, income and education are compared, and inside states as well. Taking blood pressure medication by US county | -0.41 | -0.42 |
| Black-white residential segregation and Mobility scoreWhere Black-white residential segregation is higher, Mobility score tends to be higher: a moderate link that holds when only places with similar density, income and education are compared. Mobility score by US county | +0.39 | +0.41 |
| Black-white residential segregation and Diagnosed diabetesWhere Black-white residential segregation is higher, Diagnosed diabetes tends to be lower: a moderate link that holds when only places with similar density, income and education are compared. Diagnosed diabetes by US county | -0.38 | -0.41 |
| Black-white residential segregation and StrokeWhere Black-white residential segregation is higher, Stroke tends to be lower: a weak link that holds when only places with similar density, income and education are compared. Stroke by US county | -0.35 | -0.39 |
| Black-white residential segregation and Binge drinkingWhere Black-white residential segregation is higher, Binge drinking tends to be higher: a weak link that holds when only places with similar density, income and education are compared, and inside states as well. Binge drinking by US county | +0.39 | +0.39 |
| Black-white residential segregation and Adult income rank of children raised poor hereWhere Black-white residential segregation is higher, Adult income rank of children raised poor here tends to be higher: a weak link that holds when only places with similar density, income and education are compared. Adult income rank of children raised poor here by US county | +0.34 | +0.37 |
| Black-white residential segregation and Motor vehicle crash deathsWhere Black-white residential segregation is higher, Motor vehicle crash deaths tends to be lower: a weak link that holds when only places with similar density, income and education are compared. Motor vehicle crash deaths by US county | -0.35 | -0.37 |
| Black-white residential segregation and Returns claiming the earned income creditWhere Black-white residential segregation is higher, Returns claiming the earned income credit tends to be lower: a weak link that holds when only places with similar density, income and education are compared. Returns claiming the earned income credit by US county | -0.33 | -0.36 |
Population makeup
How this measure varies with the racial and ethnic makeup of counties. Every group is shown, whatever its rank. These are links across counties: they describe places, not people. They say nothing about any person’s risk or behaviour based on their race. Counties with a larger share of one group also differ in much else, such as income, segregation, region and history. The adjusted figure only accounts for density, income and education.
| Share of residents | Unadjusted | Adjusted |
|---|---|---|
| Black-white residential segregation and Share White, not HispanicWhere Black-white residential segregation is higher, Share White, not Hispanic tends to be higher: a weak link that holds when only places with similar density, income and education are compared, and inside states as well. Share White, not Hispanic by US county | +0.30 | +0.31 |
| Black-white residential segregation and Share Black, not HispanicWhere Black-white residential segregation is higher, Share Black, not Hispanic tends to be lower: a moderate link that holds when only places with similar density, income and education are compared, and inside states as well. Share Black, not Hispanic by US county | -0.44 | -0.45 |
| Black-white residential segregation and Share Hispanic or Latino, any raceCould easily be chance once only places with similar density, income and education are compared. Share Hispanic or Latino, any race by US county | +0.04 | +0.04 |
| Black-white residential segregation and Share Asian, not HispanicCould easily be chance once only places with similar density, income and education are compared. Share Asian, not Hispanic by US county | -0.00 | -0.02 |
| Black-white residential segregation and Share American Indian or Alaska Native, not HispanicCould easily be chance once only places with similar density, income and education are compared. Share American Indian or Alaska Native, not Hispanic by US county | +0.01 | +0.04 |
Highest and lowest
Of 2,064 counties reporting it. These are the two ends of a national ranking. For most measures, that ranking mostly sorts places by income and how urban they are. That is why the place pages compare each place with similar places instead.
Highest
- Starr County, TX — 92.4
- Manistee County, MI — 90.2
- Umatilla County, OR — 89.6
- Pike County, KY — 89.3
- Cass County, IN — 88.9
Lowest
- St. Helena Parish, LA — 1.44
- Surry County, VA — 1.93
- Clinch County, GA — 2
- Jenkins County, GA — 2.27
- Fulton County, KY — 2.4
The middle area reports 50.5. The middle half of counties falls between 38.3 and 60.8 (the 25th to 75th percentile).
All measures · Explore its pairs · How the US county data works