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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Why would you care or ever need to know this?
Each PUMA contains at leastpeople. The SAS data set version is accessible using our Dexter utility access corrlst. This means that a file based on annual data or even three-year data have lots of the country excluded. States are entirely comprised of PUMAs i.
2000 PUMAs and Super-PUMAs
Download a table from American Factfinder. The dataset also contains a set of key indicator variables from a recent set of ACS summary data. Choose Microata as the state to process. PUMAs may not cross state boundaries. PUMAs that represent portions of a large county will have the same first 3 digits with the last 2 digits being assigned as “01”, “02”, etc. It is like somebody ran a bunch of Geocorr runs see below for a description of the Geocorr application and merged them altogether in this single resource.
Public Use Microdata Area
Two of the more important changes are: Read and follow instructions for use. Large urban counties are typically subdivided into multiple PUMAs with boundaries based on census tracts. Click any Run request button to invoke the Geocorr program. Likewise, the percent microdats ACS questionnaires that were returned by mail is only available from the microdata files.

In your browser a page will be generated summarizing the results and providing hyperlinks to the two output Files. But now that these areas are being used to publish summary tables based on the American Community Survey data, they have become much more widely used. 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.
To help you see what these data look like we generated a nicely formatted listing of the Missouri subset of this data set. There have been some very noteable changes. On occasion, there can also be discrepancies between the actual county vacancy rates and the PUMA to County rates. A little over 25 percent of counties have populations of 65, or more.

There is no way to show that detail on a US-based map. Michigan Population Studies Center. In urban areas a single county will be comprised of multiple PUMAs. The left out counties are concentrated in the Great Plains, although all but 5 states and the District of Columbia have at adea one county that is dependent on 5-year data.

They were required by the Census Bureau to have a population of at leastIn the data files, if a record is based on a survey conducted in or then the variable puma00 is defined, and puma10 has a value of ; otherwise survey taken in you get a value of for puma00 and a useful value for puma In this particular example, data are forlimited to California, and were based on Detailed Table B The counties are shaded based on their population sizes: If you click on the listing report format link you should see a report, the first few lines of which should look like this:.
From the Select pubkic or more source geographies: This collection of pages summarize the criteria that was used in defining these entities and contains links to pages with more detail.
IPUMS USA | PUMAs and Super-PUMAs
Export it as a csv database file. Retrieved from ” https: Notice all the gray splotches and the lack of identifiable county outlines. But normally we prefer a map product that can show us an entire state’s worth of PUMAs or a metro region overview.
PUMAs are assigned 5-digit codes that are unique within state. For example, the ACS publishes detailed data every year, but due to their sampling procedure only publishes data for census area that have more than 65, People. Super PUMAs are being done away with starting with the definitions.
