Zip code centroid file

First make sure that there are no errors. First we use the libname statement to define a permanent library where the old data files can be stored. Then we use a data step to place a copy of the old data file into the permanent library.

Look at the log file to make sure it was copied successfully. Now that you have a backup copy of the original file saved in a different location you can replace it with the newer version. Make sure to check the log output to ensure that everything was copied successfully. As seen below the file sashelp. Back to results. Print Share. Content feedback is currently offline for maintenance. Please try again in a few minutes. Is This Content Helpful? Back to top. How can we make this better?

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Yes No. Do you want to Unsubscribe? Questions or issues with the site? Address matched to multiple segments, all segments have the same Block Group. Location offset to the proper side of the street. Same as methodology B except the correct side of the street is unknown.

Address matched to multiple segments, with all segments having the same Census Tract. Same as methodology C except the correct side of the street is unknown.

Address matched to multiple segments, with all segments having the same County. Same as methodology D except the correct side of the street is unknown. Street name matched; no house ranges available. All matched segments have the same Block Group. Location placed on the segment closest to the center of the matched segments. In most cases, this is on the mid-point of the entire street. All matched segments have the same Census Tract.

Improve this question. Add a comment. Active Oldest Votes. Improve this answer. Sean Sean 4, 16 16 silver badges 24 24 bronze badges. Thanks for your well-explained answer.

It's clear that ZIP codes are abused, but that's what the business is using so I don't have much choice for this particular application, unfortunately. I'll pay attention to the census data for future updates. Yes, it is the most recent free source, but you need to take that caveat into consideration. There is no USPS true boundary. Dead link in the original answer. Looks like the current URL is census. Show 1 more comment. I checked a few zip codes that were added last year, e.

These are likely ZCTA see geonames. They are not only ZCTA. There are zip codes, including ones that are not ZCTA for example, That looks exactly like what I would need, but the data is 10 years old. I suppose I may have to wait until the Census data is processed. Both of links above are not found now.