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Philadelphia-Camden-Vineland, PA-NJ-DE-MD CSA -- Regional & Local GeoDemographics Like most larger metros, the Philadelphia-Camden-Vineland, PA-NJ-DE-MD CSA has a diverse population and covers a large geographic area. While individual cities and counties throughout the metro have individual identities and independence, they are very interdependent with one another. Commerce is networked. Highways are common and link businesses and households. Larger airports are shared in the region and link to other metros. Graduates from schools in one area are likely to work or attend college in the same region. As the population becomes more mobile both electronically and on the road, socioeconomic interdependence increases. How might changing patterns in the metro affect you? Where are the best opportunities for business? For investing? How do you determine what patterns will change, when and where? What areas or attributes might change faster than others? What data, methodologies and tools do you use to examine these questions? Proximity's GeoDemographics WebCourse can help answer these questions. Applications reviewed in these sections are used in the GeoDemographics WebCourse and are focused on the Philadelphia-Camden-Vineland, PA-NJ-DE-MD Combined Statistical Area (CSA). WebCourse participants are provided with the Proximity CommunityViewer software, application project resources, and data files needed to study these issues -- for any area(s) of interest. The start-up view of the CommunityViewer Philadelphia project shows the Philadelphia-Camden-Vineland, PA-NJ-DE-MD Combined Statistical Area (CSA code 428). Similar applications may be developed for any county, metro, or region. 
The above map shows the CSA with dark blue boundary, MDs (Metropolitan Divisions) with red boundaries and Philadelphia city in yellow. Urban areas (urbanized areas and urban clusters) appear with rose-shaded fill patterns. The Philadelphia-Camden-Vineland, PA-NJ-DE-MD CSA is comprised of areas shown in the following table. The CSA may be defined in these three ways: 1 - the two MSAs: - Philadelphia-Camden-Wilmington, PA-NJ-DE-MD MSA - Vineland-Millville-Bridgeton, NJ 2 - the three MSA-MDs and one MSA: - Camden, NJ Metropolitan Division - Philadelphia, PA Metropolitan Division - Wilmington, DE-MD-NJ Metropolitan Division - Vineland-Millville-Bridgeton, NJ 3 - the 12 contiguous counties shown in the graphic that appears below the table The following table shows the CSA structure and related codes. See the CSA by county demographic trend profile (XLS) to see how the CSA is changing.
The MSA and MD codes are assigned by OMB. STCTY is the combined ST (State FIPS code) and CTY (County FIPS code). The CSA is comprised of the counties shown in this view: 
Philadelphia City (yellow) is coterminous with Philadelphia County. A series of graphics are reviewed in this Web page showing views based on layers (shapefiles) represented in the legend in the left panel of the view. Shapefiles (layers) included in the project are listed in the following table.
How the region is changing -- county population percent change (7/1/2000 - 7/1/2003): 
Above view: 2003 total population data appear in map graphic. Percentage change shown by legend in panel at left. View below: drill down to demographic pattern view at the census tract level. ... thematic map showing Median Household Income for the CSA by census tract (1,514 areas): 
View of CSA streets CFCC2 class 1, 2, 3: 
View of CSA streets CFCC2 class 1 only: 
Zoom-in View of all CSA streets in Philadelphia City area: 
Further Zoom-In View CSA streets (to location near pointer in above view) -- census tracts have green boundaries and show tract code -- a selected street segment highlighted in red (using identify tool) 
Further zoom-in to census tract 4 with street names: 
Street segment in above view (see pointer) profiled: Table at right shows a portion of the attributes associated with the selected street segment (1600 Market Street segment). The from and to, low and high, address ranges are shown. This street segment is represented in the map as a line extending from the latitude-longitude "from node" point to the latitude-longitude "to node" point. Geocodes for areas to the left- and right-side of the line segment are shown. The segment is located in census tract 000400 (or 4, or 4.00) with census block 1009 on the left side and census block 1006 on the right side. To fully (uniquely) define a census tract and census block, the corresponding state FIPS code and county FIPS code are required, also contained in the street segment. There are 306,000 street segments (intersection-to-intersection) in the Philadelphia CSA. Income distribution: a more granular view The median household income by census tract thematic map shown above for the CSA is shown for an area containing census tract 4 (above map): 
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The above view has the additional tract layer "outline" turned on to view boundaries
and tract codes.