Getting at Counties in PUMS

Ani over 5 years ago

I am measuring disconnected youth (ages 16-24 neither in school nor working) in each state and working with the ACS 1-year PUMS to generate these estimates by state by year. No problem there; I can match state-level estimates reported by Measure of America http://www.measureofamerica.org/DYinteractive/ But the goal is to generate county-level estimates.

Now if I have read the documentation correctly, PUMAs are the smallest geography I can get at with the PUMS. This is probably why Measure of America relied on "custom tabulations provided by special arrangement with the US Census Bureau" to generate their county estimates of disengaged youth.

What would requesting custom tabulations such as this entail? I imagine there is a fee and a process to request such a tabulation. Has anyone had any experience with such requests and if yes, would be willing to share the essential steps? I suppose I am really looking for someone to tell me it can't be done without a hefty fee but do lie to me :)

thanks!!

Ani

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Ani over 5 years ago in reply to Michelle Hawks Cuellar +1

Hi Michelle;

It worked out well, and I can share my code with you but I used R not Stata. Sounds like your work will mirror Brittain's (she was focusing on the Austin MSA).
Stas Kolenikov over 5 years ago in reply to Michelle Hawks Cuellar +1

Michelle Hawks Cuellar it looks like the ACS data should have the metro area designations off the bat (usa.ipums.org/.../MET2013).

If that does not work, the FAQ reference for nearly every geographic…
Andrew Beveridge over 2 years ago +1

I would suggest using the IPUMS data, which has counties and cities, where they are available. The PUMAS now are with one or two exceptions based upon Tracts. Before they were based upon Summary Level…

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BAyres over 5 years ago

Hi Ani, I recently recreated the Measure of America estimate for opportunity youth in the Austin MSA using the Puma areas. You could use the Missouri State Data Center's Mabel tool to identify which PUMAs fall into each county. Seems like a large undertaking for the nation, but I think it's possible without paying for custom tables.
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BAyres over 5 years ago

Hi Ani, I recently recreated the Measure of America estimate for opportunity youth in the Austin MSA using the Puma areas. You could use the Missouri State Data Center's Mabel tool to identify which PUMAs fall into each county. Seems like a large undertaking for the nation, but I think it's possible without paying for custom tables.
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Ani over 5 years ago in reply to BAyres

Thanks Stas and Brittain; I'll look into both options. I'll start with Mabel and run a request through our RDC

Ani
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Warren Brown over 5 years ago in reply to Ani

Hi Ani,

You won’t get far with the RDC request. County level tabulations are a no-no as the Census Administrator at your RDC will tell you.

Counties with fewer than 100,000 residents are going to be combined with a neighboring county to form a PUMA in order to get to the 100,000 threshold. Can you live with PUMA’s that combine two or more smaller (less than 100,000 residents) counties?

Best,
Warren

Warren A. Brown, PhD
Senior Research Associate, Cornell Institute for Social and Economic Research
Director, Cornell Program on Applied Demographics
Research Director, Cornell Federal Statistical Research Data Center
E: wab4@cornell.edu
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Ani over 5 years ago in reply to Warren Brown

Thanks Warren, that is useful to know! I imagined it would be difficult to get at county estimates and that expectation is borne out by both your and Stas' feedback. I I have to, then I'd rather stay with PUMAs and skip the county-level estimates altogether.

Since Brittain's pointer re: Mabel I have pulled the PUMA to county crosswalk and am going to tinker with it in the next few days to try and generate pseudo-county estimates. There are a few kinks I know I have to work out with the weighting once the crosswalk is used. I'll wrestle with it and then likely have some questions for the group.

Once more, thanks everyone for your invaluable feedback.

Ani
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Michelle Hawks Cuellar over 5 years ago in reply to Ani

How did it go? Hoping to do the same but for just Hispanics at the Metropolitan Statistical Area level for my dissertation. Would appreciate any tips you may have. This is my first time using the ACS.
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Ani over 5 years ago in reply to Michelle Hawks Cuellar

Hi Michelle;

It worked out well, and I can share my code with you but I used R not Stata. Sounds like your work will mirror Brittain's (she was focusing on the Austin MSA).
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Stas Kolenikov over 5 years ago in reply to Michelle Hawks Cuellar

Michelle Hawks Cuellar it looks like the ACS data should have the metro area designations off the bat (usa.ipums.org/.../MET2013).

If that does not work, the FAQ reference for nearly every geographic cross-walk imaginable is Missouri Census Data Center geocorr tool: mcdc.missouri.edu/.../geocorr2018.html. The "from" geography will be PUMA, the "to" geography is CBSA... as far as I understand that tool... which I don't, so I always request both allocation factors, and then just see which one of the is 1, or sums up to 1 in the expected way. Then you can `joinby puma using geocorr_crosswalk, assert(match)`out of the ACS data.
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Zach Marhanka over 2 years ago in reply to Ani

Hi Ani, is it possible for you to share your code with me? I am a current undergraduate student trying to aggregate PUMAs to counties to look at county solar integrations and respective county electricity costs.
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Ani over 2 years ago in reply to Zach Marhanka

Hello Zach.

I certainly can. Are you looking at a particular state or set of states? Do you have the PUMA-to-county allocation factors calculated?
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Glenn Rice over 2 years ago in reply to Stas Kolenikov

Stas Kolenikov said:
as far as I understand that tool... which I don't

LOL, I guess I need to work on the documentation
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Zach Marhanka over 2 years ago in reply to Ani

Hi Ani,

Yes, I have the MCDC crosswalk downloaded and am currently using the crosswalk across multiple ACS yearly samples!
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Ani over 2 years ago in reply to Zach Marhanka

Zach, I will send the code later tonight or then tomorrow. I would also look at Andy's suggestion about tapping IPUMS.
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Zach Marhanka over 2 years ago in reply to Ani

Awesome. I can't seem to send a private message, so I'll keep an eye out. Thank you!
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