What are the forces moving the Minnesota economy? Adam Belz tries to identify the trends and show the connections between Minnesota and the larger U.S. and global economies. You can connect with him on Twitter: @adambelz

Map showing relative income growth by Census tract in Minneapolis

Posted by: Adam Belz under Business trends, Economics Updated: July 30, 2014 - 9:02 AM

Some of you have asked for a map showing the data that backed up the story earlier this week on rising gentrification in Minneapolis. I emailed the Cleveland Fed and received their data before writing the story, but couldn't figure out how to visualize it, so I just picked some of the high-growth and low-growth Census tracts in the city and mentioned them in the story.

Luckily, Eric Roper did figure it out, and put together what I've posted below.

It's not perfect (not all tracts show up on this map, because we're just amateurs at figuring out how to get neighborhood-level FIPS codes to populate a map -- ideas welcome), but Roper's work gives a high-level picture of where the growth in income from 2007 to 2010 has been relative to tracts in the rest of the metro area.

Again, this map shows the relative change in income rankings by census tract in the two biggest cities in the metro area -- Minneapolis and St. Paul. If a tract is blue, it saw a substantial gain. The bluer the tract, the bigger the gain. If it's red, it saw a small gain or a decline.

In case anyone is interested, here is the methodology the Cleveland Fed economists used to measure gentrification: "We selected a set of 59 large cities, all of which had a population above 250,000 in the year 2000 and the largest population of their respective metropolitan area (many metro areas include more than one city). Then we ranked the census tracts of each metropolitan area by the average income of residents in the tracts. The rankings are percentiles, running from 1 to 100. Finally, we took the mean of these rankings for the tracts that are located in the largest city of the metropolitan area (referred to as the principal city in the charts below). This mean gives a sense of where the tracts of the largest city as a whole fall in the income distribution of the metropolitan area. For example, the average tract in the city of Virginia Beach was at the 66th percentile of all of the tracts in the Virginia Beach-Norfolk-Newport News metropolitan statistical area, while the average tract in the city of Newark was at the 18th percentile in the Newark, NJ-PA metropolitan division. This means that the average tract in Virginia Beach is higher income than the average suburban tract, while the opposite is true in Newark."

Now, if anybody wants me to share the data with them, I'd be glad to. You can email me at adam.belz@startribune.com

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