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

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1answer
2k 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
83 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
36 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 ...
0
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0answers
19 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 ...
0
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1answer
18 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
44 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 ...
1
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1answer
159 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 ...
4
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1answer
60 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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0answers
61 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
85 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)?
0
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1answer
29 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 ...
1
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1answer
22 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
13k 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 ...
3
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3answers
4k 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 ...
4
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3answers
939 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 ...
0
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1answer
32 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, ...
0
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1answer
21 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
38 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
60 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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0answers
49 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 ...
1
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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 ...
2
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1answer
40 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
votes
1answer
44 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
71 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 ...
1
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1answer
63 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, ...
0
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1answer
312 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
110 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 ...
2
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1answer
89 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 ...
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1answer
73 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 ...
3
votes
1answer
312 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 ...
2
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0answers
20 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
83 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 ...
2
votes
2answers
75 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 ...
2
votes
2answers
90 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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2answers
62 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
72 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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0answers
499 views

How to calculate weighted mean coordinates within polygons?

I'm using QGIS 1.8 on OSX 10.8.3. I have a polygon shapefile of all of the US state legislative districts. I also have a layer of points that are centroids of US Census Tracts, with a field for the ...
0
votes
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
64 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 ...
0
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0answers
82 views

USA MSA/City/County with SImplest Border in JSON

I deal with a lot of poloygon-related JSON representing US places regularly. One thing that could make reading JSON with my eyeballs easier is having a short list of US places whose borders have ...
0
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1answer
152 views

Automating calculation of Population Density in Census Tracts?

I am quite new to Python and I am attempting to practice by making a simple program with ArcGIS. I wanted to make a script that automated the calculation of population density of selected census ...
1
vote
1answer
176 views

Apportion Neighborhood Information to Census Tracts

I have a shapefile of census tracts and another shapefile of "neighborhoods" with values that I need to have joined to the census tracts. I know I need to apportion the area of the neighborhood ...
0
votes
0answers
18 views

UK postcodes to census wards

I'm planning a project using counts of data aggregated by UK postcodes. I'd like to relate the counts to local small area census population data. Does anyone know is there lookup data available to ...
2
votes
1answer
55 views

Summarizing Table on 2 fields

I have a table of Census Blocks linked to ZIP4 values. I'm trying to create another table getting the unique ZIP4 values associated with each Census Block. I've tried using the Frequency, and Summary ...
2
votes
2answers
157 views

Choosing intervals for a map of race in the United States

I'm creating an open map layer of race in the United States using Census Data. This layer will be publicly available in the near future as "Justice Map". The goal is to help others create maps using ...
0
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1answer
47 views

Loading Tiger & ACS Data Into CartoDB

Does anyone have experience loading the pre-joined TIGER shape files and ACS 5 year data files by block group into CartoDB? I have downloaded the data from ...
1
vote
1answer
58 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 ...
2
votes
3answers
9k views

How to calculate Raster Area per Polygon?

In ArcMap, I have a raster file that contains 6 classes of landcover and a shapefile that is the census data (OA boundaries and their population). I want the area of each class in each OA? For ...
2
votes
2answers
242 views

Japan Data: Postcode/Census

Hi I'm primarily looking for a GIS data source for postal codes in Japan as well as census data for different scales of geography. Has anyone found a good source of these data sets that is in ...
0
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2answers
51 views

Joining Tigerline Census Data 2010 and American FactFinder xls

I have a shapefile from TIGERLine data from the Census website, as well as a spreadsheet from the American FactFinder. I've edited the excel sheet to a 97-2003 workbook, and am now able to bring it ...