2013-01-17-美国商务部-The_Geographic_Concentration_of_Manufacturing_Across_the_United_States_24页_1mb

报告摘要

Manufacturing has been a key driver of economic recovery in the U.S., contributing significantly to GDP growth and job creation since 2009, with notable additions to employment and higher-than-average wages.
Geographic concentration of manufacturing industries is significant; high-impact counties (where manufacturing accounts for 20% or more of total earnings or employment) are primarily located in the Midwest and South.
In 2010, 629 U.S. counties (about 20% of all counties) had manufacturing earnings representing at least 20% of total county earnings, with Indiana and Ohio leading, each having 50 and 48 such counties. Similarly, 181 counties across 27 states had a manufacturing employment share exceeding 20%.
These high-concentration counties are predominantly rural or micropolitan (about 68-80% of relevant counties), with smaller populations compared to national averages. They are often outside metropolitan areas, highlighting a pattern away from urban centers.
Concentration is linked to higher economic impact but does not isolate manufacturing from other sectors; it indirectly supports job growth and benefits local economies disproportionately.
The findings are based on BEA data from 2010, showing that even within states, manufacturing distributions vary, and success in this sector can disproportionately benefit smaller rural areas in workforce recovery.

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