Census Public Use Microdata Area (PUMA) Reference Maps – Illinois. The total number of map sheets is listed next to each entity name. The version of Public Use Microdata Areas (PUMAs) is the lowest level of PUMA can be downloaded from the Census Bureau’s Reference Map. The version of Public Use Microdata Areas (PUMAs) is the lowest level of geography identified in the census 5% sample and the For example, in the 3-year ACS sample, PUMA codes are reported for State, PUMA and Super-PUMA Maps, Detailed contents of PUMAs and super-PUMAs.

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Ignore the rest of the options. This example shows us how to relate the PUMA areas to counties.

The SAS data set version is accessible using our Dexter utility access corrlst. Block Block group Tract. Because they are required to have a minimum population of , all PUMA areas exceed the 65, population threshold, thus insuring that there will be single-year ACS data for them published each year.

They are similar to census tracts in this regard. Choose Colorado as the state to process. A reference information section provides general links to various related documents and sites.

All About Public Use Microdata Areas (PUMAs)

To help you see what these data look like we generated a nicely formatted listing of the Missouri subset of this data set. Super PUMAs are being done away with starting with the definitions. Starting withthey can only comprise congiguous counties or census tracts.

Urban areas get their own separate inset micrrodata. Prior to there were actually two kinds of PUMAs: Typically, larger measured in land area and more rural PUMAs have codes that end with “00”.


In addition, sometimes items are not available in the tabular data. They are the only sub-state geographic identifiers on the PUMS records.

2010 PUMA Definitions

For instance, Nevada County has a vacancy rate of The differences are not just in the specific geographic boundaries, but in the guidelines used to create them as well.

As mentioned, they were first used in ACS summary data products starting with vintage released in calendar year If you click on the listing report format link you should see a report, the first few lines of which should look like this: And, urban areas with multi-PUMA counties show up as dark blobs. To do this, invoke the application and fill out the form as follows:.

In Missouri only we created an informal table that assigned a short descriptive name to each of the Missouri PUMAs. By using this site, you cendus to the Terms of Use and Privacy Policy. Retrieved from ” https: The Census Bureau did not publish any summary data for these units based on the census.

The value of 1. Ude state governments drew PUMA boundaries for the Censusto allow reporting of detailed data for all areas. Our purpose here is to describe these entities and refer you to resources that will help you to understand and use them.

From the Select one or more target geographies: However, it would be possible to aggregate data at the census tract level to create such summaries. If you were using Dexter to access one of our mixed-geography data sets such as the one at acs And in a bit over 5 percent of the time, counties and PUMAs share exactly the same definition – at least based on the current definitions.


In urban areas a censks county will be comprised of multiple PUMAs. Likewise, the percent publuc ACS questionnaires that were returned by mail is only available from the microdata files.

Public Use Microdata Areas (PUMAs) – – MCDC

In fact, as you scan the lines of the report, mictodata can see there are a dozen counties listed that have a value of 1. Likewise, in less populous areas a single PUMA will be comprised of multiple counties.

The same thing happens for Lake and Mendocino counties. These labels have been quite useful for reports that display data at the PUMA level.

Creating County-Level Statistics from Public Use Microdata Areas (PUMAS)

Starting withthe local agencies that participated in the PUMA boundary suggestion program were asked to provide suggested names for these areas. And a little over 40 percent of counties fall below 20, Large urban counties are typically subdivided into multiple PUMAs with boundaries based on census tracts.

You’ll get an excellent overview map of the state, clearly displaying the PUMA boundaries on a based map that shows county boundaries and major towns. There is no way to show that detail on a US-based map.

The original file downloaded from American FactFinder is here.