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

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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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126 views

Find all census tracts N miles from a lat, lon point

Using R, I'd like to find all census tracts within a given distance of a point (lon,lat). i.e. All census tracts within 20 miles of 34.0522, 118.2428 I have used the sp library and over command to ...
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270 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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1answer
186 views

Faster way than Spatial Join to join field from attribute table to address table?

I have a table of addresses for every state in the nation. I just recently finished doing spatial joins and adding in census block/tract data per state. I have a national shapefile of ...
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3answers
90 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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2answers
43 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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44 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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0answers
6 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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1answer
28 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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1answer
18 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
139 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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35 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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2answers
99 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
229 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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3answers
888 views

Gathering data for a large number of census block groups

I would like to collect some census data for every block group in New England. I'm primarily interested in median income and median age, and ideally I'd like a large .csv file with one row per census ...
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1answer
42 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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3answers
83 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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2answers
73 views

Population by Census Tract

I am looking to obtain count of population by census tract. The ideal output would be Census Tract 1919.01 Population = 7,435. Does anyone know of resources where I can get this information. I tried ...
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2answers
115 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 ...
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1answer
38 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
34 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
44 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
66 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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2answers
119 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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27 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
119 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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1answer
3k views

Joining polygons in R

I am wondering how to join spatial polygons using R code? I'm working with census data where certain areas change over time and I wish to join the polygons and the corresponding data and simply ...
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1answer
136 views

Census Block GEOid2 conversion to Latitude Longitude

My question is similar to this question. I have two different data files. Data1.csv (4500 rows) GEOid GEOid2 Total Population Urban Rural ...
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0answers
46 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
61 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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0answers
74 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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0answers
140 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
66 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
33 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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8answers
15k views

Where to get 2010 Census Block data?

This might be a stupid question but I would like to download 2010 Census Block Data for several towns and I can't seem to find it on American Factfinder. Is it there? And if not, does anyone know ...
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3answers
5k views

Income data on a block level: how does a newbie do it?

I am a complete newbie at GIS data, and am trying to do the following: Figure out census blocks in Miami-Dade (and several other counties) that have average household incomes > $75,000 Get the ...
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3answers
1k views

What is the highest resolution of population density data that I can obtain for USA freely?

Ok so as far as my understanding goes the most high resolution dataset available that factors in many other things (other than Census data ) at a 1X1 km resolution is Landscan data created by Oak ...
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1answer
89 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
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 ...
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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 ...
2
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1answer
84 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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97 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 ...
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1answer
91 views

ArcMap Geoprocessing Operation to create a layer with incorporated places and, separately, surrounding unincorporated portion of a county?

I am working with TIGER FILES, attempting to use the update (analysis) operation in ArcMap 10.1. The files I'm using are counties, and the incorporated (non-CDP) segment of the places file. I'm ...
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1answer
52 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 ...
3
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1answer
64 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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2answers
79 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 ...
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1answer
93 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
401 views

How do I from convert from street level address to block/block group/census track?

I just downloaded block-level census data, using this answer Where to get 2010 Census Block data? It output a spreadsheet with a bunch of rows of the format GEO.id | GEO.id2 | ...
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1answer
122 views

1990 US Census Block Boundary File?

Does anyone here know of a source from which 1990 Census Block polygons can be downloaded? For Illinois, specifically, if not for the entire country? The Census Bureau has "no plans to create Block ...
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1answer
97 views

Is pre-1990 historical block-level census data available online?

I'm looking for historical block-level data for Chicago. According to this Census bureau document, historical block-level census data exists for major cities going back to 1960, and even back to ...