Questions tagged [united-states]

Use this tag for Questions which are specific to the country of the United States of America (USA), Do not use for United States Virgin Islands (VIR)

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1answer
97 views

looking for datum to georeference maps of 19th century Maine

I am trying to georeference three (1840, 1844, and 1877) northern Maine maps. I really am not able to find which datum to use. Can anyone point me to a list of historic and regional datums?
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3answers
5k 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 ...
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3answers
2k 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 ...
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2answers
885 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 ...
3
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3answers
2k views

Sites with recreational shapefiles for United States?

Do you know of any sites that I could find some recreational shapefiles? An example would be shapefiles of golf courses, ski resorts, or maybe baseball fields in the United States?
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2answers
147 views

Identify Unknown Coordinate System (not Georeferenced)

I got coordinates to old survey data in an Excel Spreadsheet. The coordinate system is unknown. I enter the values into a proprietary system to display them in module using Google Earth. I tried to ...
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1answer
86 views

Tract FIPS code from commuter survey, missing record in Census TIGER table

The U.S. Department of Transportation published 2006-2010 tract-to-tract commute survey data (https://www.fhwa.dot.gov/planning/census_issues/ctpp/data_products/2006-2010_tract_flows/). The survey ...
2
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1answer
512 views

Where can I find shapefiles for the ecoregion map of the US?

I want to find a shapefile for the map at the bottom of https://www.epa.gov/eco-research/ecoregions I would want to create a map showing some data for the 10 forest ecoregions.
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1answer
465 views

Where can I find road attribute and network for New York City?

Is there any possible to find the attribute of each road (such as road capacity, speed, longitude and latitude.) in New York City?
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1answer
54 views

Are there existing maps of U.S. county boundaries?

I'm relatively new to Carto and very new on the latest interface. Is there a way to find and join an existing map of Arizona county boundaries to my own data file for the same counties?
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1answer
65 views

Update status of Bing Maps or Here Maps imagery for US area?

Does anyone know if any updates to Bing or Here (not sure what it is now) imagery is planned for the Southeastern Washington state area? We are not highly populated but we have a 1/4-million urban ...
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0answers
221 views

GIS files for US Special Districts?

I'm looking for GIS files (shapefiles, geoJSON, KML...) for US special districts, but I can't find them anywhere. Special districts are single-purpose local government distinct from counties and ...
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3answers
1k views

Detroit Building Footprint shapefile

I am looking to find a dataset/shapefile of a Building footprint/outlines for the city of Detroit. I have found this dateset of detroit parcels but I need Building Footprints! http://d3.d3.opendata....
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2answers
516 views

Extract tract shapefile from 2006 US Census

I have downloaded the 2006 census tract files. This version does not have the shapefiles format but the tiger format. I am able to load the data in python using following code: import ogr ...
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2answers
414 views

How can I download data from NYC open data into GIS?

I have a data from NYC open data website and I need to download them to GIS so it will be easier to analyze https://data.cityofnewyork.us/Public-Safety/NYPD-Motor-Vehicle-Collisions/h9gi-nx95 How can ...
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2answers
639 views

Where do I get data for density per city in the USA or Europe?

Basically I need the data this infographic uses, the density per city or better yet per km square. USA or EU is indifferent, need it for a project.
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2answers
3k views

Where to download 10m (1/3 arc-second) DEMs?

I'm looking for some of the 10m DEM to fill in the white Quad areas. Do you know where of can I find them? These 10 DEMs we have are actually coming from the NRCS Geospatial Dataway. I believe they ...
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2answers
134 views

Where can I find GIS dataset (.shp, .gdb, etc) on Washington DC lead pipes?

I keep seeing articles about DC recently publishing a map of pipes in the city. I can only find the interactive version but need it in a .shp, .gdb or some format that can be used in Arc (.txt or .csv ...
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0answers
412 views

Seeking street/road shapefile with TF_TIME and FT_TIME attribute?

Doing a snow removal project within a county figuring out the fastest route for them to traverse on the roads to remove the snow from the sidewalk I was able to find the roads/street shapefile for ...
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0answers
328 views

Seeking Road Data (for NE U.S.) to use in ArcGIS Network Analyst?

My current network dataset is utilizing North America Detailed Streets Layer Package, however, I would like to try out some other road networks to compare the the results. Would need the road data for ...
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6answers
489 views

Source for high-res subscription imagery service

I'm developing a diagramming tool using aerial imagery as a reference layer. This tool should allow the user to zoom in quite close to a roadway or intersection. Unfortunately none of the public map ...
2
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2answers
385 views

Converting PLUTO coordinate reference system in QGIS?

I am using New York's PLUTO lot data in QGIS for a project. Right now, the shp file automatically imports with a custom CRS, allowing it to visually line up with a separate layer of subway entrances ...
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0answers
52 views

Making population estimates over large areas for emergency? [closed]

I'm a meteorologist in Florida trying to encourage people to evacuate barrier island areas of south Florida earlier rather than later because of the very real potential of a landfall from a strong ...
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0answers
316 views

Street block and Census Block

Study Area: Manhattan 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 not have the map of ...
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0answers
46 views

Geospatial One-Stop no longer accessible?

I was wondering what happened to the "Geospatial One-Stop" site? The link: http://www.geodata.gov is no longer accessible. Is the portal superseded by another government website, or is it ...
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1answer
446 views

Ready made Contours from SRTM data?

I need to create a map with SRTM data but use contours instead of the grid data. I can use ESRI software to create contours but they aren't the nicest looking, mostly in flat areas. Does a good ...
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9answers
10k views

Seeking GIS data for fast food industry?

I am working a small project related to fast food industry. I am trying find GIS data for fast food chains like subway, MC Donald's, Arby's, etc in state of Ohio. Basically, I am looking for point ...
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0answers
60 views

Are there any ground truth data available for San Francisco?

I'm working on the algorithm in this paper and I've modified it a bit. Now in order to quantify the accuracy of my algorithm with this algorithm, I need ground truth data of SanFrancisco. Which has ...
3
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0answers
768 views

Using PLSS or BLM Boundaries in Oklahoma?

In Oklahoma should i be using the PLSS or BLM Boundaries I am struggling with: Which Surveying system to use in ArcGIS. The PLSS (Public Land Survey System) or the BLM (Bureau of Land Management) ...
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0answers
35 views

Unknown Texas Coordinate system [duplicate]

Working with point data from Texas and am unfamiliar with what coordinate system it's using. Unfortunately, I am on a work computer which doesn't allow me to do much without admin privileges, so ...
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0answers
121 views

which projection for preserving distances in USA (all 50 states)? [duplicate]

I have a shapefile of different administrative regions that are in all 50 states in the USA. I also have many lat/long coordinates, and I'm using NNJoin in QGIS to find the distance from each point to ...
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1answer
379 views

US boundaries from 1780 map

Where can I find a shapefile of the US boundaries from the 1780s, including the original thirteen state boundaries?
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2answers
65 views

National Map downloading wrong coordinates?

Edit 2 I figured out the problem. The download is a whole panel in the ballpark of 50 miles x 50 miles. The bounding box I requested was about 3x3 miles. My BB is a subset of the whole dataset that ...
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3answers
362 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
55 views

Appropriate projection for US distances?

I am generating distances between crash sites (points) and urban areas (shapes) and am wondering what the best projection is to use for this task. The area of interest is limited to the U.S. (Alaska ...
4
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1answer
2k views

Choosing map projections specifically for San Francisco Bay Area?

I am asking because I am not familiar with specific map projections for the San Francisco Bay Area.
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1answer
802 views

Identifying coordinate system of San Francisco data?

I just found a dataset of trees in San Francisco, but I'm unable to determine the system used for the coordinates. Here are some samples: 5998894.045593,2119007.035323 6018697.2048701001,2097076....
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2answers
65 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 ...
0
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1answer
80 views

How to find boundary data for cities in Utah

I'm working on a brand new project where I need boundary data for various cities in Utah. Salt Lake City was easy since their data is available for public download. The other cities? Not so much. ...
3
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3answers
268 views

Looking for local data sets for 6th graders?

I am a newcomer to GIS, and am looking for local data sets to use with my students. I would like to locate data on our state, county, and city levels (for city, things like parcels, subdivisions, etc....
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0answers
117 views

GIS data for Grocery store sales in the US

I am looking for sources that would provide sales data for grocery stores in the US. I have looked at ESRI's Business Data that they receive from InfoGroup, but was wondering if anyone know of any ...
2
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1answer
277 views

Using What3Words addresses for 911 addressing in US?

In the US 911 districts spend a lot of money creating rural addresses for their emergency dispatch systems. Over the past few years I've worked with several districts implementing tools that assign ...
1
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1answer
73 views

Any public dataset of U.S Highways and on and off ramps?

I am working on a student project in data engineering and need a database with U.S. Highways and their on and off ramps. I took a look at OpenStreetMap and couldn't figure out if the information I was ...
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0answers
72 views

Getting business listing data for mapping for New York? [duplicate]

How should I go about efficiently compiling the data to map the locations of all the businesses within a given city or town? Are there any free online resources that offer searching businesses by ...
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2answers
1k 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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0answers
260 views

USA Road Network Data Set Options?

I need a contiguous, nationwide USA Road Network with speed limits, distances, etc. I have been using TIGER but the challenge is at state boundaries - where contiguous road segments are split. Is ...
8
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2answers
158 views

Identify this state outline file

Some time back, I came across a site that was offering sets of US state outlines that were intended to be attractive/artistic rather than geographically accurate. I only have this copy of the outline ...
2
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1answer
498 views

Converting NAD 83 State Plane Maryland Feet Coordinates from lat/long and vice versa using QGIS?

I need to convert a list of lat/lon points (in.csv file) into NAD 83 State Plane Maryland Feet and vice versa. I know it can be done using ArcGIS, but I only have QGIS. I am also quite new to QGIS....
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1answer
197 views

IL School District Shapefile

In order to help our client manipulate a map to show disparities in public school course offerings in Illinois at the school district level, we’re looking for a current year vector shapefile of the ...
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2answers
81 views

Seeking Atlanta's limits shapefile?

I need a shapefile of the limits of the city of Atlanta, USA.