Tuesday, September 13th, 2011

Race Matters In Milwaukee – Part 1B: How Segregated Is Milwaukee? (con’t) by Nathaniel Holton

[ You can read Part 1A of this series here. ]

It turns out that Milwaukee is not the most segregated metro area after all.

 

Racial Map of Milwaukee

 

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Racial Map of Detroit

 

(Both graphics by Eric Fisher)

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The landmark report on segregation by the U.S Census Bureau published five measure of segregation. As previously discussed, this report ranked metro areas with a sufficiently large black population on how racially segregated they were. Then, the U.S Census Bureau averaged these rankings, and used that average to conclude that Milwaukee was the most segregated metro area in the country.

After all of the sophisticated statistical analysis that went into the production of the five segregation measures, it is surprising that the U.S Census Bureau would produce an overall segregation rank by averaging the segregation measure ranks, and not the measures themselves. As the following example shows, this distorts things.

Imagine three people whose wealth is measured in three different ways. You want to rank them in overall wealth by averaging their wealth from each measurement. In parenthesis below is the rank of how wealthy each person is compared to the other two people.

If you’re just averaging the money in each measurement, Aaron is the wealthiest person and would rank number one. But if you average the rankings, Brett’s average ranking (the average of 1, 1, and 2) is better than Aaron’s average ranking (the average of 1, 2, and 2).

Detroit is like Aaron. It has the worst segregation measures, but not the worst average ranking. Milwaukee is like Brett. We do not have the worst segregation measures, but we do have the worst average ranking.

When the segregation measures are standardized and averaged, Detroit comes out as the most segregated metro area in the country. Milwaukee comes out at number two. Here are the top five segregated metro areas using this way to measure:

The U.S Census Bureau may have had a good reason for going with their method. And, none of this changes the fact that Milwaukee is highly segregated, and that this remains a central challenge to our future. There’s little excitement in knowing that Milwaukee is “second only to Detroit” in yet another measure of socioeconomic health. At the same time, the stigma of being the most segregated place in the country is a damaging one. As it turns out, it’s not necessarily legitimate.

Sometime next year, the 2010 Census should be completed and we will be able to see how Milwaukee stacks up in segregation and many other areas. In the meantime, it is still important to look at the impact that segregation has on our health and our future.

This article originally appeared in The Milwaukee Drum.

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Topics: Demographic Analysis
Cities: Detroit, Milwaukee
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