Hillsborough County Water Atlas


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Metadata Summary: Population Estimates for Watersheds


Dataset Type: GIS/Spatial Data
Name of Data Source: Population Estimates for Watersheds
Number of Water Resources Sampled: Unknown
Datasource Abbreviation (dataset): CENSUS_POPESTIMATES
Description of Datasource: Population estimates for watersheds derived from available Census block and block group data. Data from 1970 through 2010 is from the Decadal Census. Beginning in 2015, data is from the American Community Survey, updated every 5 years.
Method of Transferring Data to the Atlas: Manual transfer via HTTP
How Often Data is Transferred to the Atlas: Every 5 years
Data Current on Atlas as of: 12/31/2021

Disclaimer/Use Constraints: Estimates are generated by taking the centroids of Census blocks (2000 and 2010) and block groups (1970, 1980 and 1990) and assigning the population of each to the watershed the centroid falls within. Over time, Census geographic boundaries may change, causing centroid locations to shift and the corresponding population to be assigned to a different watershed than the decade prior. Please view these population numbers strictly as estimates and not as exact population totals.

Custodian Information:
U.S. Department of Commerce
U.S. Census Bureau

Contact Name: U.S. Census Bureau - Atlanta Regional Office
Contact Phone: (404) 730-3832
Contact E-mail: Atlanta.Regional.Office@census.gov
Contact URL: https://www.census.gov/
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