claim: "seven of the 10 highest-income counties in the country ring the city" of washington d.c.
author: sarah palin
evidence_1: jul 13, 2017 ... here's one way to follow the money in the united states: look past the  washington monument and the capitol to the d.c. suburbs. half of ... the 10  most dangerous u.s. cities ... the high median incomes of most of the counties  on our list are not due to a wealthy few masking a lower-earning population.
evidence_2: sep 21, 2012 ... it used to seem shocking that five of the ten richest counties in the united states  were part of the dc metropolitan statistical area, but the 2011 american  community survey numbers released yesterday show that the dc suburbs now  account for seven of the ten richest counties in america. loudon, fairfax ...
evidence_3: jul 19, 2017 ... half of the 10 richest counties in the country are only about an hour away from  washington, d.c., as reported by forbes. to come up with their list, forbes  analyzed research from the census bureau's small area income and poverty  estimates for 2015. washington business journal further reported on each ...
evidence_4: arlington county is a county in the commonwealth of virginia, and is  coterminous with the u.s. census bureau-census-designated place of arlington,  which is the second-largest principal city of the washington metropolitan area. as  a result, the county is often referred to in the region simply as "arlington" or " arlington, ...
evidence_5: dec 13, 2016 ... the rich-poor divide in washington, d.c., appears to be split cleanly down the  center of the city. esri ... across the metropolises of the united states, the middle  class is shrinking. in 9 out of ... citylab looked at three of the mapped cities, all  ranked among the top 10 in the u.s. in terms of income inequality.