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

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3answers
29 views

How to get 2010 city demographic data by census block group

I am doing machine learning research on US cities (New York City, Los Angeles, San Francisco, Chicago, Seattle). I try to predict some demographic data based on features in each census block group. ...
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1answer
256 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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1answer
23 views

What's the name for small area statistics in France?

US has Census blocks and block groups. Canada has dissemination blocks and dissemination areas. UK has output areas and super output areas. Is there an equivalent in France—statistical areas defined ...
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1answer
35 views

Identifying differences in polygons across shape files

I am trying to compare the 2000 Census county boundaries with the 2010 Census county boundaries. Each county is uniquely identified in a given year by a FIPS code and I want to compare if the polygon ...
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3answers
1k views

Where can I find the finest granularity of 2010 US census population information?

I am writing a re-districting application where I want to be able to create US voting districts based on geographic coordinate population data. In a perfect world, I would have the population for each ...
2
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2answers
32 views

USA census historical demographic data

I am currently working on a project where I am responsible for calculating the mean temperature and precipitation data across the USA. My calculations are made for metro census data and county ...
1
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2answers
44 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 ...
2
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0answers
18 views

Aggregating census tracts and reducing Coefficients of Variation?

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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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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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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1answer
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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0answers
20 views

Get residential coordinates by zip and crid_id

I have information about residentials from USPS (zip code, crid_id, etc.). I need to get coordinates of polygon that will wrap every residential (crid_id) in special are (zip code) Data example: http:...
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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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2answers
33 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
26 views

Scripting a population sum based on union

I'm having trouble automating a process to sum one field into a new field, summing whenever the value of an FID field from my Union is the same. I'm looking to sum the population, stored in field "...
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0answers
247 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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3answers
2k views

Specification for US Census GEOID?

I'm writing a program that needs to generate GEOID values from 2000 and 2010 Census data, to link the census data to TIGER/Line records. I'm starting with the state, county, region block, etc, values ...
1
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1answer
47 views

Calculating population density from urban raster reclasiffy

I am using ArcMap Out of a raster, I reclassified it into only having the urban areas. I ran this through zonal statistics and got the area of the urban area (in meters, which I presume are in ...
22
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9answers
24k views

Where to get 2010 Census Block data?

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 where I could find it?
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1answer
39 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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1answer
73 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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0answers
11 views

Matching census blocks with block groups according to place identification?

I'm doing a project comparing incorporated and unincorporated block groups using several variables. So far, I've got the census block assignment files and merged them in Stata with the name lookup ...
1
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1answer
40 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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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. ...
2
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0answers
35 views

German Census Demographic Data @ zip-code level

The US Census has an API to pull Census/ACS data at the ZTCA (zip-code tabulation area) level. I'm looking for the same functionality with German data. So far I've identified several websites such as ...
0
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1answer
78 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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2answers
130 views

How to concatenate two fields (type double) into a single field?

In arcgis 10.3 using the field calculator I'm trying to concatenate a census tract field (double) with a census block field (double) into a single field that has the two values separated by a decimal ...
2
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1answer
95 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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0answers
19 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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1answer
39 views

Visualizing road line segments within specific borders

I have a perhaps very simple ArcGIS question: How can I make the road line segments start or stop at the edge of the city's Census Block Groups?
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2answers
6k views

Bulk lookup of address census tract and block

Is there a free or cheap way to code a large number of addresses and return or append the census tract and block data? There are a number of ways to geocode an address and get the lat long, but I ...
3
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3answers
1k views

Matching Census Block Groups from different decades to show percent change?

I know for Census Tracts and Blocks there are relationship files, but what is the best way to match Census Block Groups from different decades to compare change?
1
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1answer
66 views

ST_Intersection between MultiPolygon tables leads to gaps, missing intersections

I am trying to intersect two MultiPolygon tables, which are in the same UTM projection, and calculate the area of their intersections. I am getting some surprising results when I examine the ...
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0answers
36 views

Geocoding using the census locator

I am trying to geocode roughly 20,000 addresses using the census locator in ArcMap. I was told that I should be able to access their locator through their server connection in ArcMap. When I connect ...
4
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3answers
2k views

What's the difference between US Census DMA and MMA?

DMA and MMA are commonly used to denote a large, metropolitan municipal entity. Is there a difference between the two? Is there a certified definition to these terms? Google is a bit inconclusive ...
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2answers
558 views

Ecuador Census Data

I am looking for Ecuador census data (digital GIS if possible) at the sub-parroquia (parish) level. The geographies and the tabular data would be great but at this point I am mostly in need of the ...
2
votes
2answers
233 views

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 ...
0
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2answers
342 views

Sourcing 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. ...
4
votes
4answers
8k views

API to reverse geocode latitude, longitude to census tract?

I have a bunch of latitude,longitude coordinates (mostly city/town centroids) in the United States for which I'd like to find the containing census tract. For instance, input => nn.nnn, -nn.nnn ...
3
votes
1answer
57 views

Correlating ONS LSOA boundaries w ONS Pop Data using CartoDB

I'm looking for a way to vector-map Birmingham population densities by Lower Level Super Output Area (LLSOA). I have two sets of relevant data: the ONS LLSOA boundary set, and ONS estimates of ...
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0answers
17 views

Area Normalizing Percentages after Intersect

I am summarizing Census data within custom drawn polygons. I am summarizing age data (percent male 24-29, etc.). As with whole numbers, I assumed I would need to area normalize the data AFTER the ...
0
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1answer
130 views

Convert coordinates to census tract for large dataset

I have about 20 million sets coordinates from the Philadelphia, PA, USA region. For each set of coordinates I would like the FIPS code of the corresponding census tract. I looked at this thread: ...
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0answers
69 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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0answers
42 views

How to query Tiger Data for Layers?

I am new to this. I have data downloaded from ftp://ftp2.census.gov/geo/tiger/TIGER2015/ and I would like to learn more about how I can query that data for the different layers it offers. Here is ...
8
votes
1answer
10k 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 ...
0
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1answer
41 views

Converting census data to block groups with regard to their area

I have population data for census blocks and want to convert them to block groups. I know that block groups has an extra digits, but how it will be possible to break down census data between blocks ...
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3answers
122 views

How to find income data by census tract or block?

I am trying to find a file with income data for every census tract. On the American FactFinder/Census websites, I can find data for each individual state or county but I want all census tracts in ...
0
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0answers
30 views

Apportioning census data using GeoJSON?

I am working on a project now that requires me to merge/dissolve census tracts into predefined neighborhoods. I know this is possible using ESRI's apportionment functions, but I am currently working ...
0
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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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1answer
49 views

Converting Canadian census geocode to postal code?

I am looking to convert the geocode on the 2011 Canadian Census data file to postal code for free. The geocode looks like the following - 0010002.00. I understand that Canada Post sells a PCCF file ...