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

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568 views

Why do all rows go missing from File Geodatabase Feature Class to *.dbf conversion?

I tried to export a File Geodatabase Feature Class to a *.dbf table/shapefile, but there are no records inside. I believe there is no mistake in exporting--it is simple. The doubt is the file ...
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3answers
74 views

Europe sub-national urban rates

Urban rate (the % of population living in urban areas) is a rather common demographic indicator, at nation-level resolution. I'm trying to locate sub-national urban rate data (NUTS level 2 to be ...
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1answer
70 views

How to write unique ID(s) of polygons in layer A intersecting polygons in layer B to field in layer B?

I'm working in ArcGIS 10.1. Suppose that I have two polygon layers, A and B. Polygons in layer B can have one of a few relationships to those in layer A: They may be completely contained by ...
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1answer
144 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
59 views

Aggregate census tract data to county level

I have data on a census tract basis but I am having trouble aggregating them to county level. Is there any tool to do it in ArcGIS?
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1answer
35 views

U.S. Census Data, Block Level, Where to Find It

Does the Census Bureau still release block level data, say for 2014? If so, has anybody been able to successfully procure it, and how? I spent a large portion of yesterday exploring the FactFinder ...
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2k 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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269 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
151 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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2answers
252 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 ...
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1answer
130 views

How to translate 1980 US Census Place Code to post 1990 Place FIPS?

US Census PLaces are coded differently pre-1990 and post-1990, after the introduction of FIPS Code. For instance, for Albertville, AL: Pre-1990 : Place Code - PLACEA : 0030 Post-1990: Place FIPS - ...
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497 views

Simple Spatial Join of Point Feature to Polygon Target Feature Not So Simple (Source Files Included)

I have what should be a simple task to perform: join ~47K census blocks from the PL redistricting files with pop and racial data joined to Chicago Public Schools High School boundaries to get an ...
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3answers
297 views

Research study participant mapping and analysis - comparison of software

I am new to everything GIS. I have been researching different software but have found more questions than solutions. What I want to accomplish: I'm working on a research project with participants ...
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1answer
72 views

Source for all census tables available at each census geography/summary level

I'm familiar with using factfinder2 and generally know my way around census products. But one thing that I've never found is a document that has all the tables from major census products like the ...
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1answer
93 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
126 views

BBox missing when converting TIGER to GeoJSON

I can't get the bounding boxes of polygons if TIGER/Line shape files when converting them to GeoJSON using FWTools. The other default information is present and there is no difference between the ...
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2answers
95 views

How to partition a Census block shapefile according to towns in a separate shapefile?

I have a census block shapefile and I want to separate the data according to their towns or village. The towns/village is a separate shapefile. Any help is greatly appreciated. I am using ArcInfo ...
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14 views

Methods on aggregating census tracts for better CV's

I am working on a project that maps out poverty rates (ACS data) by census tract. Many of the tracts have CV's that are just too high for our study and I am hoping for find a sound methodology in ...
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15 views

Using ZCTA (Census ZipCode) polygones

I have downloaded some files from census website and did some cleaning to get ZCTA map for new york, but I noticed that there are overlapped regions (some regions are inside others). For some ...
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66 views

Combining Raster and Vector data

I've created a Watershed raster data set (using the Watershed Tool) for a certain area. Within that watershed raster, there are 8 basins that appear I'm trying add the total population to each of ...
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31 views

Statistical bias arising out of only comparing US census block groups that have not changed (been split) over time?

Census Block Group ("CBG") study areas are notorious for changing over time. Even from 2009 to 2013, about 10-25% of the CBG's in South Carolina have not remained consistent over that time. Seeing ...
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1answer
228 views

How to clip Census tract shapefiles to the boundaries of City Council shapefiles

Before I ask my question, I want to say upfront that I am woefully inexperienced with coding as well as GIS, which is part of the reason why I'm here. I am currently working on a project where I am ...
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322 views

Does anyone have a Morocco shapefile that includes Western Sahara at the Provincial level?

The 2004 Moroccan census data is available at hcp.ma. I was wondering if anyone had a Moroccan shapefile at the provincial level or commune level that matched the data available on the census and ...
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1answer
155 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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40 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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55 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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129 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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273 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
398 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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472 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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1answer
1k views

Importing Census TIGER Shape Files to SQL Server 2012?

I've been doing my research on how to import shape files into Microsoft SQL Server 2012. and am still unable to figure out how to do it after hours of playing around with it. I'll document what I've ...
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0answers
2k views

India population by town: 1981, 1991, 2001, 2011

Trying to source population data for every village, town and city in India. I have been able to extract data for 2001 & 2011 from the census site, but am having a tough time finding a reliable ...
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1answer
239 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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77 views

Making Tiles - Varying the Zoom Level by Population Density

I want to create map tiles for all of the United States at high zoom level (12 or 13). I am using TileMill and mapping census tracts (income). However, I only need the high zoom level for populated ...
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1k 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 ...
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156 views

Identifying shapes in TIGERweb WMS SVG

I'm using the US Census WMS service describe here. Using code similar to that found in this example, but specifying a data format of "image/svg+xml", I've been able to get the TIGERweb WMS service to ...
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243 views

Oil palm stand census algorithm? [closed]

Anyone have experience in oil palm stand census using tree detection algorithm from satellite images in ArcGIS or QGIS? any references for usable algorithm? What is the accuracy?
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46 views

Level of data available on FactFinder

I am trying to find data at the block level or even block group level for the SF1 files and ACS 2010 or 2009. Just recently, two months ago, I was able to get this data but for some reason I am now ...
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247 views

Street block and Census Block

Study Area: Manhattan Software: ArcGIS 10.0 I'm measuring the street density using Street Network Grain size measure = Number of Street blocks per square mile. I have the NY street network but I do ...
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2answers
2k views

Does anyone know what a geoid10 and its numbers mean?

I am doing home for my GIS class where we had to download census data from our county and to define what geoid10 and its numbers mean. I cannot find the definition anywhere.
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589 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
27 views

How to obtain Census block data in SQL format?

I am trying to create a web app where users can query a certain type of data that is offered by the Government. Unfortunately, the government prefers "Census Tract/Blocks" as opposed to Zip codes (it ...
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1answer
70 views

Estimating population in flood zones?

I have a census tract shapefile with the population of a minority group and total population. I am trying to analyze this group by high and low risk flood zones. The problem is that not all of the ...
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1answer
73 views

How do I reverse geocode Census Block group from 15 character FIPS Code to LATLONG?

I know that the block group is a polygon but the Census Gazetteer files provide a lat/long for census tracts here - http://www.census.gov/geo/maps-data/data/gazetteer2010.html Where can I get this ...
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2answers
546 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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2answers
81 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 ...
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2answers
28 views

Where do I find city/town point locations in US census data?

I'm generating RF propagation maps with Splat!. It can plot cities (as points) on its coverage map. It comes with a tool to import ASCII Arc/Info Ungenerate files. These used to be available from the ...
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1answer
37 views

How can I fix my spatial join issue?

I am using ArcGIS. I have two different files. The first file is from the United State Census. It is a file consisting of the census tracts for 1990. Each polygon has information that labels its ...
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3answers
32 views

Transform/Align Census 2000 Blocks to Census 2010 Blocks

I would like to align census tabulation blocks from the 2000 and 2010 censuses. I have the relationship file, so I know which blocks are suppose to the same and which were split or consolidated. ...
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98 views

Where can I find geodata for the Russian терсон-мо or терсон-ате census units? Or: can osm_admin polygons be linked to those?

I'm looking to combine Russian census data with georeferenced polygons. This is for a research project looking into different aspects of mobility within the Republic of Саха (Sakha/Yakutsk), the ...