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
44 views

What does “Place of Work only” mean in terms of US census ACS geographical restrictions on a dataset?

I'm trying to get data on commute methods for an area using American Community Survey 2015 table B08505A, but as you can see in this table describing geographic restrictions for ACS data: https://www2....
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0answers
68 views

How does the US Census Bureau simplify its Cartographic Boundary Shapefiles?

The US Census Cartographic Boundary Shapefiles are available in 1:500,000 and 1:5,000,000 and 1:20,000,000 resolutions. The boundaries are well-aligned and the data otherwise seemingly clean. How ...
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1answer
1k views

2010 census population data by block groups for Florida

I would like to map population density by block group for the state of Florida, but I'm having a hard time trying to locate the correct data on the Census website. I know I'll probably have to ...
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9answers
18k views

Finding shapefiles of pipeline data?

Does anyone know where I can get or find shapefiles for pipelines (USA location)? Preferably free as I've never done pipelines before and I'm meeting a client next week that is doing pipeline work. ...
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1answer
162 views

What is the best projection to use for this? [closed]

I have two vector layers of state and county boundaries that I would like to find the areas for each individual state/county. However, the CRS is set to NAD83 with EPSG:4269. Due to this, when I look ...
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1answer
592 views

Public GIS data for lots within sections of township and range for NM, USA

Anyone know where to find a publicly available shapefile/fc of lot divisions within sections for township and range of New Mexico? I've been to several government websites that offer this type of ...
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1answer
264 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 ...
13
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3answers
628 views

Does transforming to a new projection, then back, affect data accuracy?

I have a feature class (South Carolina counties, so a fairly large geographic area) in NAD83 SC State Plane. It needs to be transformed to a second projection (NAD83 UTM 17), then transformed back to ...
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0answers
971 views

Resize and relocate Alaska and Hawaii on US county map with R

How can I resize, relocate and frame Alaska and Hawaii on a US county map, to look more like a traditional map of the fifty states (and DC)? I've loaded Esri's US county shapefile into R: library(...
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0answers
33 views

Programmatically download NED, Landcover, etc. data from USGS [duplicate]

What are my current options for downloading geodata (NED, landcover, etc.) from the USGS programmatically?
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0answers
85 views

Geographic Transformation in Alaska Between NAD83 (NSRS 2007) and NAD83

What is the best geographic transformation for Alaska to go from NAD83 to NAD83 (NSRS2007)? Esri available transformation for GCS_NAD_1983_NSRS2007 to NAD83: WGS_1984_(ITRF00)_To_NAD_1983 + ...
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1answer
21k views

Choosing projected coordinate system for mapping all US states?

I'm on a project requires integrating data for all states in the US. It means I have two roadway datasets and I'm going to assign the attributes of roadways in one dataset to the same roadways in the ...
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11answers
94k views

Obtaining up-to-date list of US ZIP Codes with Latitude and Longitude Geocodes? [closed]

NOTE: This began as a question on Stack Overflow, which has subsequently been closed. I also noticed a similar question about Most Up-To-Date Source for US Zip Code Boundaries, but I believe this ...
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5answers
5k views

Meaning of dash in house address number in USA?

I have a set of addresses with a dash between the numbers: 800 - 1100 HORD ST 75202 2400 - 2500 KITTRELL ST 75201 I thought this refers to houses from 800 to 1100 and from 2400 to 2500 on those ...
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0answers
652 views

Downloading OpenStreetMap data for one state of USA?

I'm following this tutorial It has following instrucions to download the data: 1) Planet download: wget -c http://planet.openstreetmap.org/pbf/planet-latest.osm.pbf 2) This for Great britain: ...
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5answers
3k views

Data providers equivalent to USDA/NRCS/FSA Common Land Unit (CLU)?

For one of my agricultural projects, I really need reasonably accurate field boundaries for fields in the US, specifically Iowa right now but later, other similar states. The USDA/NRSC/FSA Common ...
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4answers
622 views

Seeking USA CLU shapefiles for agricultural land?

I know Is geocomm.com permanently unavailable? was asked a few days back and is closed. That is the site I was hoping to buy from initially. Data providers equivalent to USDA/NRCS/FSA Common Land ...
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2answers
113 views

GIS Shapefile finding [duplicate]

I want to make a map using ArcGIS and for that I need the limits of the cities of the area. Where I can get shapefiles for cities in the US?
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1answer
63 views

Why do St. Croix and Angaur of Virgin Islands have same FIPS code?

Could any one help me answer this. I am a non US citizen and working with d3js(geojson). I came across two locations in Virgin Islands which share the same FIPS code - St. Croix and Angaur have FIPS ...
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2answers
311 views

PLSS Shapefile for Adams county CO

Where can I find a simple TOWNSHIP/RANGE, SECTION, QUARTER SECTION shapefile for Adams County Colorado?
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1answer
149 views

Los Angeles county aerial imagery

I am looking for a basemap of LA county showing aerial imagery similar to Google Earth. However, I also need it in a specific projection: NAD_1983_StatePlane_California_V_FIPS_0405_Feet. Does anyone ...
2
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2answers
444 views

What projection is being used in this dataset?

I'm not from US and so don't know much about the CRS/EPSG there. Anyway, when reviewing the FAA 5010 Airport dataset on https://www.faa.gov/airports/airport_safety/airportdata_5010/#5010 (direct ...
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1answer
87 views

Acquiring data of Billboards on USA [closed]

I have this task on ArcGis consisting on retrieving landownership data of every billboards' in USA, etc... from where should I start ?
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2answers
292 views

Where can I get shapefiles for AE - U.S. Armed Forces – Europe AP - U.S. Armed Forces – Pacific PR - Puerto Rico? [closed]

I need shapefiles for these: AE - U.S. Armed Forces – Europe AP - U.S. Armed Forces – Pacific PR - Puerto Rico Where can I find them ?
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3answers
581 views

What are the state border outlines called which treat every state as a single entity, including surrounding waters?

What are the state border outlines called which treat every state as a single entity, including surrounding waters? I need to create a latitude/longitude pairing of each state's "borders", which I ...
0
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1answer
74 views

Find data: Number of households by income level per U.S. state?

Do you by any chance know an online source, where I can find the number of households by income level per U.S. state? I have been going through all of the U.S. census data, but I only can find total ...
0
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1answer
196 views

USA national grid shapefiles

Where can I find shapefiles for 1kmx1km grid (UTM grid) for the entire USA? It seems everywhere that I looked at there were shapefiles for states separately or for some particular UTM zones. I don't ...
2
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3answers
484 views

How to find ZCTA for the 2010 Census block code?

I'm trying to find ZIP Code Tabulation Areas for the list of 2010 Census block codes. How to get ZIP Code Tabulation Areas for Census block code?
5
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1answer
4k views

Getting a list of zip codes with its adjacent zip codes

I need a list in the form of adjacency list that contains all zip codes in the United States that each has a list of adjacent zip codes. I tried searching for it on the internet. Many of them only ...
1
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1answer
70 views

FInding the SRID for NAD_1927_UTM_Zone_7N? [duplicate]

How do I find the SRID for this shapefile? (output from ogrinfo -so) Geometry: Polygon Feature Count: 3 Extent: (-76840.712074, 7832057.693703) - (123912.271665, 7979730.291856) Layer SRS WKT: PROJCS[...
2
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0answers
95 views

Can MSAs (CBSAs) split counties?

This is related to an earlier question (Understanding U.S. Census MSA to place relationships?), on which I'm still unclear. Can MSAs (CBSAs) split counties? According to Glaeser et al. (Growth in ...
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1answer
86 views

How to find address from the Census BlockCode?

I have Census BlockCode information (15 digits) and need to get corresponding street name and address in NYC. What is the best source of such information?
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0answers
82 views

Number of lanes in road data

I have been learning about the TIGER and the National Map datasets for mapping roads in the United States. One limitation is that as far as I can see there is no data on the number of lanes. The main ...
3
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1answer
185 views

Seeking Postcode Boundaries for USA?

I'm using ODL Studio to draw US zip codes, and though I can download the free database and get it to load, I can't figure out how to draw boundaries. The tutorial provided on their site explains how ...
0
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1answer
176 views

Seeking symbology (.lyr?) for USGS geologic maps?

I work a lot with USGS geologic maps and always have the same problem. I am able to download the files from the website (in .e00 format), and make a nice shapefiles out of them. My problem is that ...
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2answers
1k views

Where can I download Southern California Interstate Highway System in a Shapefile?

Does anybody know where I can download the Interstate highway system (as a shapefile) for Southern California (the area around San Diego in particular)?
5
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2answers
6k views

Seeking USA electric transmission powerlines as shapefiles?

Does anyone have a good source for USA electric transmission powerlines as shapefiles? I have some old (1993) data from the US National Renewable Energy Laboratory (NREL) and Cubewerx' WMS (Cubewerx ...
3
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3answers
5k views

Geocoding address to polygon?

Is there a service that can take an address and return a polygon of the property lines (or the coordinates of the corners of the smallest possible bounding rectangle)? The area is Oakland, CA, USA.
4
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1answer
395 views

Best place to download or purchase shapefiles for Louisiana Parish?

I am looking for shapefiles to either download or purchase for the BEAUREGARD Parish in Louisiana. I have been able to find files for the Townships and Sections but I am in desperate need of a ...
13
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4answers
10k views

Downloading DEM data for US?

USGS has been moving towards serving data through The National Map Viewer. They have several WMServices through their website that serve elevation data to the public (hillshade & DEM). The ...
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2answers
107 views

Seeking contour data for Oregon? [closed]

Does anyone know where I can find good contour layers for Oregon? I do not have spatial analyst, so I can not make my own.
2
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5answers
772 views

Land Use/ Land Cover for Hawaii?

Talking to a friend of mine in Hawaii and I am from New Mexico. My question to you all is to see if there is a land use/land cover dataset for Hawaii?
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1answer
208 views

Michigan City Boundary ESRI Shapefiles

I want to run I-Tree "Canopy" and am looking for an official Esri shapefile that defines the city of Warren Michigan's jurisdictional boundaries.
2
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2answers
161 views

How to choose a latitude-longitude among conflicting sources

Suppose you use various geocoding facilities (like Mapquest's API, Texas A&M's, etc.) to get a latitude-longitude pair for a given address in the United States. They give you differing answers, ...
1
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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?
3
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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 ...
3
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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 ...
3
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2answers
867 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?
2
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2answers
142 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 ...