A procedure of systematically acquiring and recording information about all the members of a given population.

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How can I eliminate leftover border/boundary in QGIS?

I am trying to generate a shapefile which contains the unincorporated areas of St. Louis County, Missouri. I'm using two shapefiles: St. Louis County from the 2012 census, followed by St. Louis ...
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29 views

How to open a file generated using Postgresql 9.3 and PostGIS 2.1

For more background to this question see Building customized data set from American Community Survey data? I downloaded a file from http://www.justicemap.org/data.php under the section PostgreSQL ...
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10 views

Finding Census Tracts Within a Circle in PostGIS [duplicate]

I suspect this is a basic question but, for a newb like me, it's proving to be quite a challenge. I have imported (using ogr2ogr) a collection of census tracts from the U.S. Census-provided .shp files ...
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30 views

Building customized data set from American Community Survey data?

I am trying to create a database in SQL Server with a customized dataset containing census information from the American Community Survey content available online. I want to show a granularity in my ...
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27 views

What is coordinate system of US 1990 census tract data

I would like to set coordinate system of US 1990 census tract data using ArcGIS for Desktop. Do you know how I can do this?
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2answers
51 views

Identify Census blocks inside urban areas (using pyshp or similar)

I am trying to find the Census blocks that are inside specific urban areas or urban clusters. The Census Bureau provides a list of urban areas/urban clusters with the following information: | ...
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53 views

QGIS's “Points in Polygon” counts zero in every census tract

I am mapping the location of incidents of asthma using QGIS. I would like to count how many points are in census tracts to better understand the areas where asthma occurs most frequently. My map ...
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1answer
16 views

Where can I find spatial data on Enumeration Area boundaries from the South Africa 2001 Census?

I am trying to locate spatial data for the boundaries of South African Enumeration Areas (EAs) from the 2001 Census. The links to the data from the 2001 census on the Statistics South Africa website ...
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51 views

Source postcode shapefiles & census data for The Netherlands

I would like to do some GIS mapping of the Netherlands, but I am having trouble finding official data files for the following: ESRI shapefiles for postcodes. Census (population) data for postcodes. ...
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115 views

Looking for Employment Density Data: Employees per unit of area by industry by county (USA)

What I'm looking for something like this: http://www.bls.gov/cew/ew07fig20.pdf For those that can't see it, the second page of the PDF has a map of Employment density within manufacturing by county, ...
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1answer
23 views

Need statistics from US census [closed]

I am not sure if this is the right place to ask, if so please recommend a stackexchange, I am having a lot of issues getting the data approximations that I need for a report. I am looking for the ...
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1answer
45 views

FIPS Crosswalk for Census Places

Where can I find a comprehensive crosswalk for FIPS codes at the Place level? I need to match Census Places from different data sets spanning the period 1980-2010, where each data set is using FIPS ...
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114 views

After turning census block data into a raster, how do I redistribute the density to reflect land cover types

I plan on rasterizing (terminology?) census block data relating to density to a regular 30 m by 30 m grid for use with NLCD data. I then hope to distribute the density of the original census block ...
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3answers
244 views

Downloading US Census data?

I'm in a introduction course for ArcGIS and I'm just starting to work on my project. I'm trying to create a map showing the relationship between poverty and education. I also want to try and present ...
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2answers
132 views

Having trouble matching up U.S. Census shapefiles in QGIS

I'm trying to use the U.S. Census shapefiles to figure out what census blocks make up which state legislative districts. I decided to test the method on a state where I already had this data to see if ...
2
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1answer
46 views

Disaggregating vector layer splits

I'm fairly new to GIS, but I've got the basics down. I'm utilizing QGIS and Python to calculate election statistics by legislative and congressional districts. I'm trying to aggregate precinct level ...
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1answer
40 views

Cutting Census Block Data to a Study Area

I'm trying to cut census block data to a study area. I have a study area polygon (made from selecting whole counties of interest) and clipped the census data by this. When I visited the new Census ...
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0answers
57 views

Finding census block for given address using Tiger geocoder

I have a geocoder based on Tiger/Line data running on PostGIS. I need to find census block for a given address. How can I do it? Like I can do for census tract: SELECT get_tract(ST_Point(-71.101375, ...
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1answer
81 views

Mean Center/Median Center tool providing points mathematically centered but physically appearing in the wrong location

To create population weights, I'm using the Mean and Median Center tool to find the center of our populations in census tracts. However, I've noticed that some of the points that are popping up are ...
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161 views

Geocoding accuracy of Google Maps vs Tiger

I recently compared result of US Census Geocoder(http://geocoding.geo.census.gov/geocoder/) with that of Google Maps. For any given address both of them are giving different set of lat, lon. Why there ...
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28 views

Looking for a source of data for these specific United States Demographics for People and Businesses

Sorry for if I come across ignorant. I usually hangout over at StackOverflow. I'm a developer and a client has specific demographics needs that I'm not sure where to get. I looked at some Census data ...
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1answer
125 views

What is the smallest US geographic region with income data?

I'm looking for any region that is smaller than block groups. And it doesn't have to be for the whole United States. Does this exist? Does anyone have any ideas? I feel like I saw somewhere that ...
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50 views

QGIS join by location not returning for features

I have eight contours/features in one shapefile (contour.shp) that i want to find the number of population within each contour, this is in another shp. I am using join attributes by location to do ...
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1answer
44 views

Download US census data profiles?

US census summary file information is available on the census ftp server: ftp2.census.gov/acs2013_5yr but I can't seem to find the data profiles information anywhere. The only source appears to be ...
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1answer
74 views

Can you use the US Census ACS Api with TIGER Shape File GEOID?

The US Census makes available the TIGER Shape files for geographic area like States, Counties, Tracts, etc. (https://www.census.gov/geo/maps-data/data/tiger-line.html). They also supply an api for ...
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81 views

Finding census block with highest pop. value within the census tract

In QGIS, I'm trying to plot a centroid of only the census block with the highest population within each census tract. So there should only be one point per tract- that of the block with the greatest ...
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1answer
165 views

where can I get population of each of the Indian villages and towns?

There are over 600,000 villages in India. I want to get the population of each of the village according to 2011 census. I searched the http://censusindia.gov.in website for hours but could not get ...
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151 views

Importing 2014 TIGER County Shape Files to 2012 SQL Server?

Last year, I figured out how to import TIGER Census Block shape files into 2012 SQL Server with no issues. I assumed I would use similar code to do the county shape files but I keep getting a few ...
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1answer
381 views

Where to Dowload Village layers for India with census 2011 information?

Does anyone know where I could download a layer of all villages in India together with their populations (hopefully from the 2011 census)?
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78 views

US Census block group data - field names for feature classes

I may be missing something here, but it seems like getting usable US Census data into a shapefile or feature class is much harder than it used to be. Downloading the Tiger block group shapefiles is no ...
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1answer
36 views

Why are some places missing from US Census Gazetter data?

I'm looking at the file I downloaded from the US Census here (2010 Census Gaz Places data), and I notice that a lot of cities are missing. For example, Montague, MA is completely missing. However, I ...
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1answer
22 views

Historic (and current) borders of Miami, FL

I am working from Australia and am new to US mapping and Census data. I am looking for historic boundaries of Miami (FL) from maybe 100-200 years ago. Also current boundaries would be great - what ...
2
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1answer
41 views

Randomly distributed cases according to census data

I'd like to randomly place a point within a geographic boundary with the caveat that I would like to use census data so that points are randomly placed according to population density (i.e. more ...
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1answer
98 views

No results for PostGIS TIGER geocoder extension

Similar to this question, my TIGER geocoder extension in PostGIS isn't returning any results. It seemed to all install correctly, so I imported DC, and: psql -d geocoder -c "SELECT g.rating, ...
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1answer
92 views

Polygon files corresponding to Russian Census

My team is using the 2010 Russian Census and we'd like to have polygons that correspond to these population values. We're flexible to any sort of polygon format (shapefiles, GeoJSON, KML, etc). ...
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105 views

Finding political party affiliation data for the US

My ideal find would be party registration or affiliation down to the household, Congressional district, block, block group or Zip code level for the whole country. I've been sniffing around for a ...
2
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1answer
58 views

TIGER/LINE 2013 Feature, Edge and, Address Range Data Sets

I am looking at the Tiger 2013 data sets, in particular the Edge, Feature and, Range tables. It seems that the Edge tables have all the data elements that are in the Feature and Range sets. Is this ...
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1answer
71 views

Accept multiple input types in ArcGIS Script Tools UI

everyone! I'm working on a python script that calculates aggregations of ACS Variables (i.e. adding "Renters who spend more than 30% of Annual Income on Rent", "...40%...", "...50%...", etc.). The ...
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1answer
117 views

What type of data is available at the “census block” level? [duplicate]

I'm curious what is available at the 'Census Block' level, the finest scale. I found this dataset: http://www2.census.gov/geo/tiger/TIGER2010/TABBLOCK/2010/ It contains HOUSING10 and POP10, ...
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1answer
95 views

Where could I download Income data at the Block Group level… census data [duplicate]

Where could I download Income data at the Block Group level, actually I'm not sure where or how to download it at the tract level either. I would be interested in the most recent data that is ...
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1answer
315 views

Is there a way to get accurate daily U.S. populations? [closed]

I suppose you could interpolate from the Census data, but I am interested in a data feed that has accurate DAILY total population of the U.S. The finer the granularity, the better (so if there was ...
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22 views

Finding equivalent API-supported data to the 2000 Census

I'm having some difficulty choosing Census datasets for a project that involve various SES measures at the block-group level. I'll be looking at things like median household income and percentage of ...
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2answers
179 views

How to show average walking distance to closest point in census tract in ArcMap?

Given a map layer of point locations, and a second map layer of census tract polygons for the same area, how would you create a map layer that shows the average walking distance to the closest point ...
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2answers
142 views

Census Data Intersection with Unique Boundaries

Basics: I have a country wide dataset of Census blocks, I need to find the population of unrelated boundaries that do not ALWAYS follow census blocks. I would like to use Select by Location-centroid ...
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2answers
80 views

How to select random adjacent census tract

I have set of census tracts spaced out across a city and I would like to randomly choose an adjacent census tract to explore nearby demographic data. I'm not sure if there is an easy process for ...
2
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2answers
136 views

How do I select Census Block Groups inside a Zip code?

Long time listener, first time caller. I already have my data imported, problem is my SELECT statements aren't yielding the results I'm looking for. I specifically need all the Block Group ...
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3answers
86 views

Comparing census tracts

I am working with Arcmap 10.1 and census tract level data for 1990 and 2011. I am trying to compare different options for tracking changes between the tracts. The tracts change between the census ...
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3answers
139 views

Using American Fact Finder to download data for all block groups in a state at at time?

I am having issues using the advanced search on the American Fact Finder to download census block data for a whole state at a time. The best option that it gives me, when trying any route, is to ...
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1answer
26 views

Census data 5-year estimate for the United States

I am looking to download demographic data 5-year estimate based on census tract for the whole United States. The census website has the information, however, it does not let me to select the whole ...
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2answers
113 views

How to find variable names for SF1 Census files

I'm trying to to read the 2010 Census data so that I can link some of my research data to geographic information. Ideally I would like to use census tract data and other covariates. I've downloaded ...