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Analyzing Block Group Demographics
This section is focused on accessing and using Census Block Group geography in the form of shapefiles and Census Block Group demographics from Census 2010 and annually updated American Community Survey. Accessing, Integrating & Analyzing Block Group Richer Demographics -- using Demographic Data Analyst (DDA) • Using DDA with Census 2010 & ACS 2010 http://proximityone.com/dda/guide • Quickstart: ACS 2010 BG Data http://proximityone.com/dda/guide/acs.htm • ACS 2010 SF Tables http://proximityone.com/dda/guide/acssf.htm Census Block Groups are geographic areas defined by the Census Bureau for a decennial census. Each block group is a set of one or more contiguous blocks. Block Groups (BGs) are a "mid-range" geography between census blocks and census tracts. For Census 2010 there are 11,078,297 census blocks, 217,740 census block groups and 73,057 census tracts covering the U.S. wall-to-wall. These geographies have a nesting relationship as shown in the graphic at right. For any given county, Census 2000 and Census 2010 vintage block group areas might differ significantly in terms of boundary, geocode and relationship to associated census blocks and census tracts. The census block is the lowest level geographic area for which Census 2010 data are tabulated. The census block group is the smallest geographic area for which American Community Survey (ACS) data are tabulated (estimated). No Census 2010 Richer Demographics. As with all Census 2010 geographic areas, census block group tabulations include Census 2000 "short-form" type subject matter. There are no "richer demographics" Census 2010 data owing to use of the reduced scope questionnaire. In contrast, annual ACS block group estimates of richer demographic are available. The first ACS data for Census 2010 BG geography/boundaries are the ACS 2010 5-year estimates (release date December 2011). These estimates are based on the survey period 2006 through 2010 and thus measures centric to mid-2008. Comparing Census 2000 to ACS BG Demographics. The first ACS BG estimates were produced as a part of the 2009 ACS 5-year estimates (for the survey period 2005-2009; measures centric to mid-2007). The 2009 ACS BG data (released December 2010) are estimates for Census 2000 vintage block group codes/boundaries. These are the only BG level estimates available to examine demographic change and patterns since Census 2000 (as both programs use the same BG codes/boundaries). The 2010 ACS shifts to use of the Census 2010 codes/boundaries. See also Census 2010 Demographics for Census 2000 Geography. Using Block Group GeoDemographics -- Examples. See illustrative applications using of BG geography and demographics in Honolulu County, Hawaii. Census 2010 DP1 Block Group Fields Summary File 1 table/item field names with description (USBG_2011_500.DBF) Items selected are those available at census block level and used in Census 2010 Demographic Profile 1.
GEOID U.S. national scope unique geocode (state+county+tract+blkgrp)
STUSAB State postal code STATE State FIPS Code CBSA Core-Based Statistical Area Code COUNTY County FIPS Code TRACT Census 2010 Census Tract Code BLKGRP Census 2010 Census Block Group Code AREASQMI Total area, smoothed, square miles AREALAND Land Area, non-smoothed, square meters AREAWATR Water Area, non-smoothed, square meters P0030001 Total Population P0030002 Race: White alone P0030003 Race: Black or African American alone P0030004 Race: American Indian and Alaska Native alone P0030005 Race: Asian alone P0030006 Race: Native Hawaiian and Other Pacific Islander alone P0030007 Race: Some Other Race alone P0030008 Race: Two or More Races P0050001 Total Population P0050002 Not Hispanic or Latino: Total P0050003 Not Hispanic or Latino: White alone P0050004 Not Hispanic or Latino: Black or African American alone P0050005 Not Hispanic or Latino: American Indian and Alaska Native alone P0050006 Not Hispanic or Latino: Asian alone P0050007 Not Hispanic or Latino: Native Hawaiian and Other Pacific Islander alone P0050008 Not Hispanic or Latino: Some Other Race alone P0050009 Not Hispanic or Latino: Two or More Races P0050010 Hispanic or Latino: Total P0050011 Hispanic or Latino: White alone P0050012 Hispanic or Latino: Black or African American alone P0050013 Hispanic or Latino: American Indian and Alaska Native alone P0050014 Hispanic or Latino: Asian alone P0050015 Hispanic or Latino: Native Hawaiian and Other Pacific Islander alone P0050016 Hispanic or Latino: Some Other Race alone P0050017 Hispanic or Latino: Two or More Races P0120001 Total Population P0120002 Male: P0120003 Male: Under 5 years P0120004 Male: 5 to 9 years P0120005 Male: 10 to 14 years P0120006 Male: 15 to 17 years P0120007 Male: 18 and 19 years P0120008 Male: 20 years P0120009 Male: 21 years P0120010 Male: 22 to 24 years P0120011 Male: 25 to 29 years P0120012 Male: 30 to 34 years P0120013 Male: 35 to 39 years P0120014 Male: 40 to 44 years P0120015 Male: 45 to 49 years P0120016 Male: 50 to 54 years P0120017 Male: 55 to 59 years P0120018 Male: 60 and 61 years P0120019 Male: 62 to 64 years P0120020 Male: 65 and 66 years P0120021 Male: 67 to 69 years P0120022 Male: 70 to 74 years P0120023 Male: 75 to 79 years P0120024 Male: 80 to 84 years P0120025 Male: 85 years and over P0120026 Female: Total P0120027 Female: Under 5 years P0120028 Female: 5 to 9 years P0120029 Female: 10 to 14 years P0120030 Female: 15 to 17 years P0120031 Female: 18 and 19 years P0120032 Female: 20 years P0120033 Female: 21 years P0120034 Female: 22 to 24 years P0120035 Female: 25 to 29 years P0120036 Female: 30 to 34 years P0120037 Female: 35 to 39 years P0120038 Female: 40 to 44 years P0120039 Female: 45 to 49 years P0120040 Female: 50 to 54 years P0120041 Female: 55 to 59 years P0120042 Female: 60 and 61 years P0120043 Female: 62 to 64 years P0120044 Female: 65 and 66 years P0120045 Female: 67 to 69 years P0120046 Female: 70 to 74 years P0120047 Female: 75 to 79 years P0120048 Female: 80 to 84 years P0120049 Female: 85 years and over P0130001 Median age: Total Population P0130002 Median age: Male P0130003 Median age: Female P0170001 Average household size by age – total households P0170002 Average household size by age - P0170003 Average household size by age P0180001 Households: Total P0180002 Households: Family Households: Total P0180003 Households: Family Households: Husband-Wife P0180004 Households: Family Households: Other Family P0180005 Households: Family Households: Other Family: Male householder, no wife P0180006 Households: Family Households: Other Family: Female householder, no husband P0180007 Households: Nonfamily households: Total P0180008 Households: Nonfamily households: Householder living alone P0180009 Households: Nonfamily households: Householder not living alone P0290001 Population: Total P0290002 Population in Households: Total P0290003 Population in Households: In family households: Total P0290004 Population in Households: In family households: Householder: Total P0290005 Population in Households: In family households: Householder: Male P0290006 Population in Households: In family households: Householder: Female P0290007 Population in Households: In family households: Spouse P0290008 Population in Households: In family households: Biological child P0290009 Population in Households: In family households: Adopted child P0290010 Population in Households: In family households: Stepchild P0290011 Population in Households: In family households: Grandchild P0290012 Population in Households: In family households: Brother or sister P0290013 Population in Households: In family households: Parent P0290014 Population in Households: In family households: Parent-in-law P0290015 Population in Households: In family households: Son-in-law or daughter-in-law P0290016 Population in Households: In family households: Other relatives P0290017 Population in Households: In family households: Nonrelatives P0290018 Population in Households: In nonfamily households: Total P0290019 Population in Households: In nonfamily households: Male householder: Total P0290020 Population in Households: In nonfamily households: Male householder: Living alone P0290021 Population in Households: In nonfamily households: Male householder: Not living alone P0290022 Population in Households: In nonfamily households: Female householder: Total P0290023 Population in Households: In nonfamily households: Female householder: Living alone P0290024 Population in Households: In nonfamily households: Female householder: Nnot living alone P0290025 Population in Households: In nonfamily households: Nonrelatives P0290026 Population in Group Quarters: Total P0290027 Population in Group Quarters: Institutionalized P0290028 Population in Group Quarters: Noninstitutionalized P0370001 Families: Average Family Size: Total P0370002 Families: Average Family Size: Under 18 years P0370003 Families: Average Family Size: 18 years and over H0030001 Housing Units: Total H0030002 Housing Units: Occupied H0030003 Housing Units: Vacant H0040001 Occupied Housing Units: Total H0040002 Occupied Housing Units: Owned with mortgage or loan H0040003 Occupied Housing Units: Owned free and clear H0040004 Occupied Housing Units: Renter occupied H0050001 Vacant Housing Units: Total H0050002 Vacant Housing Units: For rent H0050003 Vacant Housing Units: Rented, not occupied H0050004 Vacant Housing Units: For sale only H0050005 Vacant Housing Units: Sold, not occupied H0050006 Vacant Housing Units: For seasonal, recreational, or occasional use H0050007 Vacant Housing Units: For migrant workers H0050008 Vacant Housing Units: Other vacant H0100001 Population in Occupied Housing Units H0110001 Population in Occupied Housing Units: Total H0110002 Population in Occupied Housing Units: Owned with a mortgage or loan H0110003 Population in Occupied Housing Units: Owned free and clear H0110004 Population in Occupied Housing Units: Renter occupied H0120001 Average Household Size of Occupied Housing Units: Total H0120002 Average Household Size of Occupied Housing Units: Owner occupied H0120003 Average Household Size of Occupied Housing Units: Renter occupied Additional Information. Proximity develops geodemographic-economic data and analytical tools and helps organizations knit together and use diverse data in a decision-making and analytical framework. We develop custom demographic/economic estimates and projections, develop geographic and geocoded address files, and assist with impact and geospatial analyses. Wide-ranging organizations use our resources (software, data, methodologies) to analyze their own data integrated with other data. |
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