Regions in spreadsheets (by year):
- 2009-present: county
Source of data: IECAM (2009-present), based on several estimates from the U.S. Census Bureau.
Note: A full explanation of the methodology that IECAM uses to create estimates can be found via the Data Releases & Methodology page.
Note: The data for the years 2005 through the most recent available (for all regions) can be found via the Tabular Data Search page.