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Geography Update U. S. Census Bureau SDC/BIDC Midyear Meeting New York City March 27, 2007.

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Presentation on theme: "Geography Update U. S. Census Bureau SDC/BIDC Midyear Meeting New York City March 27, 2007."— Presentation transcript:

1 Geography Update U. S. Census Bureau SDC/BIDC Midyear Meeting New York City March 27, 2007

2 Topics Update on TIGER Realignment Boundary and Annexation Survey ANSI Code Transition Statistical Areas Program Geographic Products

3 3 MTAIP 700 Counties Completed in GFY 2006 Goal was 700 Harris is obtaining source material this year for balance of nation and a small number of “second cycle” Harris will deliver last “initial enhancement” counties by April 1, 2008. Expect to receive over 700 counties this Fiscal Year based on recently passed budget Will exceed goal of 690 counties

4 4 MTAIP 2484 Counties delivered to date – 77% 2041 local sources used (includes partials) 1815 counties met 7.6 meters or better 419 needed “enhancement” Status Maps: http://ftp2.census.gov/geo/maps/mtaip_status/

5 5

6 6 Boundary and Annexation Survey Obtains information on legal boundaries and corporate status Where states have legislative authority, working to establish a state-level BAS Survey universe varies by year –CY2007 – places of 2,500+ Response rate currently over 71% –CY2008 – All places/MCDs/American Indian areas Will be coordinated with LUCA

7 7 Boundary and Annexation Survey Decennial Census Support –Includes a Boundary Validation Early Summer 2010 Based on responses by April 1, 2010 to 2010 BAS ACS/Population Estimates –Based on boundaries as of January 1 and received by April 1 of each year

8 8 Transition from FIPS to ANSI In 2005, NIST announced withdrawal of the following FIPS geographic entity codes: FIPS 5-2: states and equivalent entities; FIPS 6-4: counties and equivalent entities; FIPS 8-6: metropolitan areas; FIPS 9-1: congressional districts; FIPS 55-3: places, county subdivisions, and other locational entities

9 9 Transition from FIPS to ANSI The Census Bureau is the maintenance agency for codes for : States and equivalent entities; Counties and equivalent entities; Congressional districts; and (on behalf of OMB) metropolitan and micropolitan statistical areas and related statistical areas

10 10 Transition from FIPS to ANSI No changes in codes or code structure for the following geographic areas : States Counties Congressional Districts Metropolitan and Micropolitan Statistical Areas and related statistical areas

11 11 Transition from FIPS to ANSI Geographic EntityLengthRange States and Equivalent Entities2 digits01-78 Counties and Equivalent Entities3 digits001-507, 510-840 Congressional Districts2 digits00 (at large), 01-57, 98 (non-voting), 99 (no rep.)

12 12 Transition from FIPS to ANSI Geographic EntityLengthRange Metropolitan Statistical Areas5 digits10000-59999 Micropolitan Statistical Areas5 digits10000-59999 Metropolitan Divisions5 digits10004-59994* New England City and Town Areas 5 digits70000-79999 NECTA Divisions5 digits70004-79994* Combined Statistical Areas3 digits100-599 Combined NECTAs3 digits700-799 *Metropolitan divisions and NECTA divisions are distinguished from metropolitan and micropolitan statistical areas and NECTAs by codes that end in “4.”

13 13 Transition from FIPS to ANSI The U.S. Geological Survey is the maintenance agency for codes for: named populated places; primary divisions of counties; and other locational entities. (All covered under the former FIPS 55)

14 14 Transition from FIPS to ANSI U.S. Geological Survey has proposed adoption of the Geographic Names Information System (GNIS) identifier as the standard code for places and county subdivisions GNIS ID characteristics: Up to 8 digits in length; Permanent (will not change if place name changes) Unique within nation; Will not sort alphabetically

15 15 Transition from FIPS to ANSI Examples of Places and GNIS IDs: Alexandria, VA…...................1492456 Baltimore, MD….............……..597040 Seattle, WA……….............….1512651 Tacoma, WA…….............…...1512713 Takoma Park, MD…............….598146 Washington, DC………….……531871

16 16 Transition from FIPS to ANSI Geography Division will store and provide GNIS ID codes for the following entities: States and equivalent areas* Counties and equivalent areas* County subdivisions Sub-minor civil divisions (Puerto Rico only) Incorporated places and census designated places American Indian/Alaska Native/Native Hawaiian areas Alaska Native Regional Corporations American Indian tribal subdivisions *The GNIS ID for states and counties and equivalent areas is a supplemental code that does not replace the 2-digit state and 3-digit county codes.

17 17 Transition from FIPS to ANSI The Census Bureau’s plans currently call for: Including the GNIS ID in the MAF/TIGER database; Including the GNIS ID in demographic, economic, and geographic data products as soon as possible; Continuing to issue 5-digit codes for places, county subdivisions, and other geographic entities through at least 2012 to support 2010 Census and other tabulation program processing and products.

18 18 Transition from FIPS to ANSI Example layout of codes for Takoma Park, MD as they might appear in future Census Bureau products : STATEFP..................24 COUNTYFP…………031 COUSUBNS………...1929469 COUSUBFP…………91160 PLACENS……………598146 PLACEFP……………76650 Name…………………Takoma Park

19 19 Participant Statistical Areas Federal Register Notices with Proposed Criteria –Should be VERY soon –Will post on Census Web site –Will notify SDC List-Serv Electronic-only program –Use MAF/TIGER Partnership Software or own GIS that provides specified output in accordance with specified business rules

20 20 Other “Geographic” Programs Redistricting Data Program – Phase 2 –Early 2008 – one county –Work with designated State liaison School Districts –Funded by NCES –Work with State Title 1 Mapping Coordinator Traffic Analysis Zones (TAZ) –Discussions with FHWA to fund and schedule –Work with MPOs/DOTs

21 21 Geographic Products TIGER/Line Files –Last Edition Available Second Edition 2006 TIGER/Line EVENTUALLY –TIGER will be Available over the Internet Web Feature Server Web Map Server –TIGER/GML Public TIGER Product –(What do we call it?) –First Edition 2007 –Available late Summer/Fall 2007

22 22 Questions? Robert LaMacchia Geography Division 301-763-2131 robert.a.lamacchia@census.gov


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