Last week the Census Bureau (CB) sent a letter to the State Data
Centers(SDCs) asking them to participate in the delineation of the
Public Use Microdata Sample (PUMS)zones. A copy of that letter and
the criteria used in defining the zones (know as PUMAs) can be found
on the TRB census data subcommittee's web page at
http://www.mcs.com/~berwyned/census/
The direct link for the information is
http://www.mcs.com/~berwyned/census/articles/pumaguidelines.pdf
For those new to the PUMS game an article talking about the
importance of PUMS data for transportation planning can be found in
the last "status report" at
http://www.mcs.com/~berwyned/census/newsltr/sr0401.html#pums
Since PUMS data is becoming increasing more useful in the context of
transportation planning it is important for MPOs (and state DOTs) to
be close to the development of the PUMAs (pums zones) in their
areas--especially for the larger MPOs and for state planning.
Although the process of delineating the PUMAs is left to the SDCs,
MPOs and state DOTs should contact their SDC and let them know that
they have an interest in participating or assisting with the
process. In 1990 I know there were several MPOs that actually
defined the zones in their planning areas. The SDCs can be found at
http://www.census.gov/pub/sdc/www/sdctxt.html
If you contact your SDC and you find that they are NOT participating
in the program please let us know by contacting Nandu Srinivasan at
nanda.srinivasan(a)fhwa.dot.gov
ed christopher
chair, trb subcommittee on census data for transportation planning
Note that:
ZCTAs are approximations of mailing ZIP Codes and should not be confused with them. Refer to the following
web page for more information on ZCTAs.
http://www.census.gov/geo/ZCTA/zcta.html
Boundary files for various census geographic areas are available from the Census Bureau's web site. The
boundary file site currently is being updated with new boundary files for 2000 and many types are not yet
available.
http://www.census.gov/geo/www/cob/
---------------------- Forwarded by David H Wiggins/CL/BOC on 05/03/2001
02:15 PM ---------------------------
"Nichols, Michael D." <nichols_md(a)vdot.state.va.us>@chrispy.net on
05/03/2001 10:41:48 AM
Sent by: owner-ctpp-news(a)chrispy.net
To: "'ctpp-news(a)chrispy.net'" <ctpp-news(a)chrispy.net>
cc: "Tambellini, Rick L." <tambellini_r(a)vdot.state.va.us>, "Tucker, Chad
J." <tucker_cj(a)vdot.state.va.us>
Subject: [CTPP] RE: Zip Code Coverage
For anyone that wants 2001 ARC/INFO or Arcview zipcode coverage's follow
the
link below.
Thanks to david.h.wiggins(a)census.gov for providing this link. I am not sure
why a search of the Census (or worldwide web) website did not turn up this
link?
By the way, the ctpp-news server is a great resource. I have gotten some
valuable information.
<<2000 5-Digit ZIP Code Tabulation Areas (ZCTAs) Cartographic Boundary
Files - U.S. Bureau of the Census.url>>
Thanks,
Michael D. Nichols, P.E.
Virginia Department of Transportation
Transportation Planning Division
1401 East Broad Street
Richmond, Virginia 23219
Telephone (804) 786-0998
Fax (804) 225-4785
Email: nichols_md(a)vdot.state.va.us
-----Original Message-----
From: Nichols, Michael D.
Sent: Thursday, May 03, 2001 9:16 AM
To: ctpp-news(a)chrispy.net
Subject: Zip Code Coverage
Does anyone know where I can find a somewhat recent GIS coverage of Zip
codes. I have found reference to the "Tiger 98 CD file" but the link to it
on the Census Bureau's page is dead.
Thanks,
Michael D. Nichols, P.E.
Virginia Department of Transportation
Transportation Planning Division
1401 East Broad Street
Richmond, Virginia 23219
Telephone (804) 786-0998
Fax (804) 225-4785
Email: nichols_md(a)vdot.state.va.us
(See attached file: 2000 5-Digit ZIP Code Tabulation Areas (ZCTAs)
Cartographic Boundary Files - U.S. Bureau of the Census.url)
For anyone that wants 2001 ARC/INFO or Arcview zipcode coverage's follow the
link below.
Thanks to david.h.wiggins(a)census.gov for providing this link. I am not sure
why a search of the Census (or worldwide web) website did not turn up this
link?
By the way, the ctpp-news server is a great resource. I have gotten some
valuable information.
<<2000 5-Digit ZIP Code Tabulation Areas (ZCTAs) Cartographic Boundary
Files - U.S. Bureau of the Census.url>>
Thanks,
Michael D. Nichols, P.E.
Virginia Department of Transportation
Transportation Planning Division
1401 East Broad Street
Richmond, Virginia 23219
Telephone (804) 786-0998
Fax (804) 225-4785
Email: nichols_md(a)vdot.state.va.us
-----Original Message-----
From: Nichols, Michael D.
Sent: Thursday, May 03, 2001 9:16 AM
To: ctpp-news(a)chrispy.net
Subject: Zip Code Coverage
Does anyone know where I can find a somewhat recent GIS coverage of Zip
codes. I have found reference to the "Tiger 98 CD file" but the link to it
on the Census Bureau's page is dead.
Thanks,
Michael D. Nichols, P.E.
Virginia Department of Transportation
Transportation Planning Division
1401 East Broad Street
Richmond, Virginia 23219
Telephone (804) 786-0998
Fax (804) 225-4785
Email: nichols_md(a)vdot.state.va.us
Does anyone know where I can find a somewhat recent GIS coverage of Zip
codes. I have found reference to the "Tiger 98 CD file" but the link to it
on the Census Bureau's page is dead.
Thanks,
Michael D. Nichols, P.E.
Virginia Department of Transportation
Transportation Planning Division
1401 East Broad Street
Richmond, Virginia 23219
Telephone (804) 786-0998
Fax (804) 225-4785
Email: nichols_md(a)vdot.state.va.us
the usa today has what i would call an excellent site for displaying
and viewing census data. make sure to check out the interactive
mapping. i can't wait to see what the media does once the full blown
Long Form data comes out next summer. this is well worth a bookmark.
http://www.usatoday.com/news/census/index.htm
