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GeoLytics News: October 2011

Thursday, October 20, 2011

The 2010 Summary File (SF1) Data Now Available from GeoLytics

The Summary File 1 data set is now available. It contains the most detailed counts available so far from the 2010 Census, including age (single year ages by gender for children), gender, households, families, relationship to householder, housing units, detailed race and Hispanic/Latino origin groups, and group quarters.

Summary File has also been expanded so that it will not only have counts of families, but also show the number of families by type, by the age of the children present and by race and Hispanic origin of the householder. Many of the tables are repeated for nine race and Hispanic or Latino origin groups: white alone, black or African-American alone, American Indian and Alaska Native alone, Asian alone, Native Hawaiian and Other Pacific Islander alone, some other race, two or more races, Hispanic or Latino, and white alone not Hispanic or Latino.

Further SF1 will contain more details about those who live in group quarters, with this population broken out by sex, age and group quarters type. For those not in group quarters -- they live in a Housing Unit and the SF1 will include this population broken out into renters vs. owners, by age, household type, race and Hispanic origin of householder. The SF1 will even include the mortgage status of owned housing units.

The SF1 data will cover all of the following geographies: states, counties, county subdivisions, places, tracts, ZIP code tabulation areas, congressional districts for the 111th Congress and, where applicable, American Indian and Alaska Native areas and Hawaiian home lands. For most subjects, statistics for census block groups and blocks are also shown.

The GeoLytics Summary File 2010 product will have our easy-to-use interface – allowing users to quickly download all of the data for all of the geographies that they want – in whatever format they want (comma separated, tab separated, dbf or a map with the accompanying
boundary files).

For more information about the Summary File (SF1), please go to our website at

Wednesday, October 19, 2011

Geocode Addresses with New 2011 / 2016 Demographics

GeoLytics' Geocoder will match your addresses to
their lat/long coordinates, the zip+4 and append
census designations such as block, block group
and tract so you can profile your address list.
The basic Geocoder has the 2010 Redistricting data
appended.  But now the Geocode is also available with
2011 Estimates and 2016 Projections.

In addition to having the offical 2010 counts for
Total Population, Race and Hispanic Origin, this new
geocoder will also append 60+ variables from 2011 and
from 2016 giving you age and income breakouts as well. 

This new version of the Geocoder will process PO Boxes and place them at the location of the Post Office and then apend the demographics for that block group.  And as with previous releases, our Geocoder automatically generates ArcGIS shapefiles for importing into your mapping software. Now in one simple step you can take your list of addresses and create a layer of points that are instantly usable in ArcGIS – no further conversions or processing is necessary!

Our Geocoder appends zip+4s to the matched address,
as well as having the option to assign historic 1970,
1980, 1990 and 2000 Census tract or block group codes,
in addition to the latitude, longitude, and 2010
Census block code. 

The source data for geocoding addresses are the most
up-to-date 2010 TIGER/Line® Shapefiles.  The demographic data comes from the 2010 Redistricting data file and this new version has the 2011 Basic Estimates and 2016 Projections.  The Geocoder is a stand-alone product that offers accurate, high-speed geocoding and an affordable annual license.  For more information on GeoLytics’ Geocoder, go to: http://geolytics.com/USCensus,Geocode,Data,Features,Products.asp</div> <div>

The variables included from the 2010 Redistricting
include: Total Population, Race Breakouts, Hispanic
or Latino by Race, Those Aged 18 and Above by Race.  And Total Housing Units, Occupied Housing Units and Vacant Units.

The Estimates include all of the following data for BOTH 2011 and 2016: Total Population, Age Breakouts, Race, Gender, Race by Gender, Households, Average Household Size, One Person Households, Family Households, Housing Units, Owner Occupied, Renter Occupied, Vacant Units, then Income broken into groupings, Median Income, Average Income, Aggregate Income and Per Capita Income.

For a complete list of all of the variables please go
to our website at http://www.geolytics.com/USCensus,Geocode,Data,Variables,Products.asp

2011/2016 Estimates Now Available from GeoLytics

The new 2011 Estimates/2016 Projections and the 2011 Professional Estimates / 2016 Projections are now available. The 2011/2016 Estimates Premium will be available in another few weeks.

The 2011 Estimates are based upon benchmarks from the official 2010 Redistricting Block level Census and the 2009 American Community Survery (ACS) at the Block Group level.

These new estimates are the first in the new 2010 geographies. The Redistricting data set is the central building block for the total population, race, Hispanic and housing counts. Whereas the ACS is the basis for Income, Educational Attainment, Housing Value, and family structure. The use of the ACS is vital since none of these variables are included in the 2010 Redistricting nor will they be in the 2010 Short Form.

The variable lists and geographies are the same across the three Estimate Sets (Basic, Professional and Premium) that we have released in previous years.

To see a list of the existing variables in our Estimates
products please go to our website for Basic Estimates it is  http://www.geolytics.com/USCensus,Estimates-Projections,Data,Variables,Products.asp

and for Estimates Professional it is http://www.geolytics.com/USCensus,Estimates-Professional,Data,Variables,Products.asp

For each there is a tab with the variables, methodology, geography, etc. As has been the case with previous versions, the Estimates data can be exported into comma seperate files, dbf files, maps which can be exported into shapefiles and summary reports for any of the geographies.

The 2010 Census Redistricting now avialable from GeoLytics

The US Census Bureau has released the complete 2010 Census Redistricting Data [P.L. 94-171] Summary Files. We have finished processing all of the data and easy-to-use version of this dataset now avialable from GeoLytics.

The summary file tables contain tabulations for:

Latitude/Longitude centroids for each area
Land and Water Areas for each geography
Total Population
Race Breakouts – single races as well as each of the
multi-racial options all the way to all 6 races
Racial Breakouts for Non-Hispanics and the total
population for all ages and just those over 18
Total Housing Units including occupancy vs. vacancy status

The Redistricting data covers all of the following geographies:
State, County, City/Town, Congressional District (111th), Tract, Block Groups, Blocks, Place, County Subdivision (CMD, CCD), Elementary School District, Secondary School District, Unified School District, American Indian Area / Alaskan Native Area / Hawaiian Home Land, State Legislative District - Lower Chamber, State Legislative District – Upper Chamber, Voting District, Metropolitan Statistical Area, Micropolitan Statistical Area, Metropolitan Division, and New England City and Town Areas.

This is the first view of the new boundaries for 2010 and is also the most extensive boundary designations for the Census 2010.

The GeoLytics Redistricting 2010 product has our
easy-to-use interface – allowing users to quickly download all of the data for all of the geographies that they want – in whatever format they want (comma separated, dbf or a map with the accompanying boundary files).

For more information about the dataset go to
our website at http://www.geolytics.com/USCensus,Census%202010,Data,Features,Products.asp

American Community Survey (ACS) 2009 data released by GeoLytics

The American Community Survey (ACS) for 2009 is now available from GeoLytics. This easy-to-use product allows users to select the Area covered, Geography the data is available, any and all of the variables released, and the output format -- then simply select "run" and your report will appear ready for use. You are no longer constrained to select just 256 variables or to go through the selection one county at a time (as on the USCB web site).

The ACS is comprised of three data sets. The 1-year counts cover only those geographies with over 65,000 inhabitants - so you can get data for states or MSAs etc. The 3-year counts (2007-09) cover those geographies with over 20,000 inhabitants - these include cities, large counties etc. And with the new 5-year counts (2005-09) the ACS has data down to the Block Group and Tract level.

The various versions of the ACS estimates in combination have replaced the Census Bureau's Long Form (SF3) which will no longer be conducted. They include demographics such as Income, Employment, Commuting, Education, etc. However, the multi-year ACS estimates do not depict what is going on in any particular year, only what the average value is over the full time period. Whereas the Long Form was a discrete time period and gave you a snapshot of what the entire country looked like at that moment. On the upside, the ACS has many new geographies that were not available on the Long Form and in fact has such a large dataset for so many geopgraphies that it takes 4 DVDs (or better yet one 16GB memory stick) to hold it all.

For a complete list of variables, please go to our website at http://www.geolytics.com/USCensus,AmericanCommunitySurvey,Data,Variables,Products.asp

The 2009 ACS product is set in the 2000 census boundaries making it a great addition to your data library for time series analysis. It will allow you to see 2009 data in the same 2000 boundaries as the normalized products for 1970, 1980, 1990 and the 2000 data -- so you can analyze 5 decades all in the 2000 boundaries.

The ACS 2009 will come with all of the regular features that you expect in the GeoLytics product -- exporting data as a .csv, .txt or .dbf file; running maps and exporting them as mid/mif or shapefiles, having access to all of the variables for all of the geographies.

For more information about the American Community Survey 2009, please visit our website at: http://www.geolytics.com/USCensus,AmericanCommunitySurvey,Data,Features,Products.asp


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