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County Demographic Estimates & Trends
In early 2012, ProximityOne will release U.S. national scope county level annual population estimates and projections for July 1, 2010 through July 1, 2020. These estimates and projections are part of a broader ProximityOne estimates and projections program. The estimates and projections provide breakout detail: single-year of age (0 through 84 and 85 plus), gender, bridged-race/non-bridged race, and Hispanic Origin. The estimates and projections reflect results of Census 2010, Census Bureau estimates (partly described below), NCHS estimates (described below) and other data including quarterly/annual economic time series. The county estimates and projections will be updated in early 2013 reflecting updates to related Census, NCHS, BLS and other relevant data sources and model specifications. The estimates and projections are developed using simultaneous equation models that effectively model single year of age dynamics in each county.
Census Bureau Estimates. The Census Bureau estimates are available by county in two subject matter configurations: 1) 5-year age groups and gender (layout) and 2) race/Hispanic Origin and gender (layout). There is no "full cross" of the estimates age group by gender by race/Hispanic Origin.
Census Estimates Hispanic-NonHispanic:
Census Estimates Race Categories:
Black or African American alone
American Indian and Alaska Native alone
Native Hawaiian and Other Pacific Islander alone
Two or More Races
NCHS Estimates. The NCHS estimates are available by county with a "full cross" of age-gender-race/ethnicity: single-year of age (0 through 84 and 85 plus), gender, bridged-race, and Hispanic Origin.
NCHS Estimates Hispanic-NonHispanic:
NCHS Estimates Race Categories:
American Indian or Alaska Native
Asian or Pacific Islander
Advantages and Disadvantages of NCHS Bridge Estimates
Due to the availability of the single year of age breakout, the NCHS estimates are ideally suited for use in modeling, projection, trend analysis and alternative age grouping. One main disadvantage is that most published age by gender by race/ethnicity data are structured in the manner shown with Census 2010 and Census population estimates program.
Proximity develops geographic-demographic-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 tools (software, data, methodologies) to analyze their own data integrated with other data.