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Finding and Mapping Census Data Kathleen Fear, Data Librarian Blair Tinker, GIS Research Specialist.

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Presentation on theme: "Finding and Mapping Census Data Kathleen Fear, Data Librarian Blair Tinker, GIS Research Specialist."— Presentation transcript:

1 Finding and Mapping Census Data Kathleen Fear, Data Librarian Blair Tinker, GIS Research Specialist

2 Part 1: Getting the data (American FactFinder) Part 2: Mapping (ArcGIS)

3 http://factfinder.census.gov

4 What it’s got… American Community Survey American Housing Survey Annual Economic Surveys: – Annual Survey of Manufactures – Business Patterns – Nonemployer Statistics Annual Surveys of Governments Census of Governments Commodity Flow Survey 2000 / 2010 Decennial Census Economic Census EEO Tabulation Population Estimates Program Puerto Rico Community Survey

5 What it’s got… American Community Survey American Housing Survey Annual Economic Surveys: – Annual Survey of Manufactures – Business Patterns – Nonemployer Statistics Annual Surveys of Governments Census of Governments Commodity Flow Survey 2000 / 2010 Decennial Census Economic Census EEO Tabulation Population Estimates Program Puerto Rico Community Survey

6 What it’s got… American Community Survey American Housing Survey Annual Economic Surveys: – Annual Survey of Manufactures – Business Patterns – Nonemployer Statistics Annual Surveys of Governments Census of Governments Commodity Flow Survey 2000 / 2010 Decennial Census Economic Census EEO Tabulation Population Estimates Program Puerto Rico Community Survey

7 What it’s got… American Community Survey American Housing Survey Annual Economic Surveys: – Annual Survey of Manufactures – Business Patterns – Nonemployer Statistics Annual Surveys of Governments Census of Governments Commodity Flow Survey 2000 / 2010 Decennial Census Economic Census EEO Tabulation Population Estimates Program Puerto Rico Community Survey

8 What it’s got… American Community Survey American Housing Survey Annual Economic Surveys: – Annual Survey of Manufactures – Business Patterns – Nonemployer Statistics Annual Surveys of Governments Census of Governments Commodity Flow Survey 2000 / 2010 Decennial Census Economic Census EEO Tabulation Population Estimates Program Puerto Rico Community Survey

9 What it’s got… American Community Survey American Housing Survey Annual Economic Surveys: – Annual Survey of Manufactures – Business Patterns – Nonemployer Statistics Annual Surveys of Governments Census of Governments Commodity Flow Survey 2000 / 2010 Decennial Census Economic Census EEO Tabulation Population Estimates Program Puerto Rico Community Survey

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14 I want to find out the percent of households with kids under 18 in each zip code in Monroe County in 2010.

15 Census geographies: a brief diversion A line connecting two geographies indicates a hierarchical relationship between them, e.g. states are comprised of counties. The absence of a line means there is no reliable relationship between two geographies, e.g. Kansas City is in MO and KS.

16 Census tract: subdivisions of a county or county equivalent, optimally ~4,000 people. Block group: subdivision of census tracts, between 600 and 3,000 people. Census block: smallest geographical area used by the Census Bureau. Not based on population; bounded by visible boundaries (roads, rivers) and non-visible boundaries (property lines, town lines). See http://www.census.gov/geo/reference/webatlas/ for more details. http://www.census.gov/geo/reference/webatlas/

17 Zip codes vs. ZCTAs ZCTAs only have a relationship with Nation and Census block Zip codes and ZCTAs are almost identical

18 From: Grubesic, T. H. (2008). Zip codes and spatial analysis: Problems and prospects. Socio-Economic Planning Sciences, 42(2), 129–149. http://doi.org/10.1016/j.seps.2006.09.001

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21 I want to find out the percent of households with kids under 18 in each zip code ZCTA in Monroe County in 2010.

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25 “Within state”: New York “Within county”: Monroe “Geographic type”: ZIP Code/ZTCA

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28 Census vs. ACS: another brief diversion Census products: – Summary File 1 (SF1), Summary File 2 (SF2): Short form Age, sex, race, Hispanic/Latino origin, households, families, housing units, owner/renter status 100% sample – Summary File 3 (SF3), Summary File 4 (SF4): Long form Income, education, occupation, ancestry, disability, foreign birth, commuting, etc. 19 million households (about 1 in 6)

29 Census vs. ACS: another brief diversion Census products: – Summary File 1 (SF1), Summary File 2 (SF2): Short form Age, sex, race, Hispanic/Latino origin, households, families, housing units, owner/renter status 100% sample – Summary File 3 (SF3), Summary File 4 (SF4): Long form Income, education, occupation, ancestry, disability, foreign birth, commuting, etc. 19 million households (about 1 in 6) Long form eliminated in 2010

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36 This will embed any footnotes directly in the data This puts footnotes in a separate file This adds a header row with descriptive variable names

37 README fileAnnotations fileMetadata (variable names) The actual data!Variable-level footnotes


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