BROWSE

ABCD Counties

What is 'ABCD Counties'

Categories of U.S. counties devised by AC Nielsen Company that are based on U.S. Census Bureau population data and proximity to major metropolitan areas. A counties are the largest U.S. counties by population, and D counties are the smallest. Counties are classified on the basis of data from the latest census, which takes place every 10 years. The county classification is used by marketing and advertising agencies, and advertisers in the preparation and analysis of advertising and media plans.

Explaining 'ABCD Counties'

A counties are classified as any county located in the 25 largest U.S. metropolitan areas, which will be the highest density. B counties are considered any county that is not an A county and has a population exceeding 150,000 or is part of a metropolitan area with a population over 150,000. C counties are seen as any county that is not classified as an A or B county, and has a population between 40,000 and 150,000. D counties are any county that not classified as an A, B or C county.


Further Reading


American income inequality across economic and geographic space, 1970–2010
www.sciencedirect.com [PDF]
… population that is non-white or Hispanic, populations age 17 and younger and 65 and older, single-headed families, migration into the county from elsewhere … Number of counties, 502, 1257, 916, 358, 45 … 1970, −0.139 BCDE, −0.072 ACDE, 0.080 ABDE, 0.158 ABCE, 0.380 ABCD …

The ABCDs of treating the most prevalent childhood diseaseThe ABCDs of treating the most prevalent childhood disease
ajph.aphapublications.org [PDF]
… population that is non-white or Hispanic, populations age 17 and younger and 65 and older, single-headed families, migration into the county from elsewhere … Number of counties, 502, 1257, 916, 358, 45 … 1970, −0.139 BCDE, −0.072 ACDE, 0.080 ABDE, 0.158 ABCE, 0.380 ABCD …

Financial exclusion facing by the counties in China——is the supply insufficient or the institution saturatedFinancial exclusion facing by the counties in China——is the supply insufficient or the institution saturated
gcxb.gufe.edu.cn [PDF]
… population that is non-white or Hispanic, populations age 17 and younger and 65 and older, single-headed families, migration into the county from elsewhere … Number of counties, 502, 1257, 916, 358, 45 … 1970, −0.139 BCDE, −0.072 ACDE, 0.080 ABDE, 0.158 ABCE, 0.380 ABCD …

Economic hardship, parenting, and distress in adolescenceEconomic hardship, parenting, and distress in adolescence
www.jstor.org [PDF]
… population that is non-white or Hispanic, populations age 17 and younger and 65 and older, single-headed families, migration into the county from elsewhere … Number of counties, 502, 1257, 916, 358, 45 … 1970, −0.139 BCDE, −0.072 ACDE, 0.080 ABDE, 0.158 ABCE, 0.380 ABCD …

What are falling transport costs doing to spatial concentration across US counties?What are falling transport costs doing to spatial concentration across US counties?
papers.ssrn.com [PDF]
… population that is non-white or Hispanic, populations age 17 and younger and 65 and older, single-headed families, migration into the county from elsewhere … Number of counties, 502, 1257, 916, 358, 45 … 1970, −0.139 BCDE, −0.072 ACDE, 0.080 ABDE, 0.158 ABCE, 0.380 ABCD …



Q&A About ABCD Counties


What are A, B, C and D counties called?

A, B, C and D Counties are called ABCD Counties respectively.

What is the AC Nielsen Company?

The AC Nielsen Company is a marketing and advertising agency.

How were these nations denying Japan raw materials?

By not selling iron ore, steel and oil to Japan. These are all raw materials needed to continue its activities in China and French Indochina.

Why did these nations impose the embargoes on Japan?

They imposed the embargoes in an effort to discourage Japanese militarism.

In what ways did Japanese nationalists view these embargoes as acts of aggression?

They viewed them as acts of aggression because imported oil made up about 80% of their energy needs at that time.

How are U.S. counties classified?

U.S. counties are classified by population density, with A counties being the largest and D counties being the smallest.

What is the ABCD line?

The ABCD line was a Japanese name for a series of embargoes against Japan by foreign nations, including America, Britain, China and the Dutch.