The corresponding data files, data dictionary, and other documentation are available from SEER.
Adjusted files account for large population gains and losses in counties affected by intense 2005 Hurricanes Katrina and Rita. The states with adjusted population estimates are Alabama, Mississippi, Louisiana, and Texas.
SEER Population Data - United States Files at State and/or County Level
| State | Geographic Level | Ages | Years | Race/Hispanic | SAS | CSV | Desc | |
|---|---|---|---|---|---|---|---|---|
| All States Combined (Adjusted) | County | 19 Age Groups | 1969- | White, Black, Other | ||||
| All States Combined | County | 19 Age Groups | 1969- | White, Black, Other | ||||
| All States Combined (Adjusted) | County | Single-year | 1969- | White, Black, Other | ||||
| All States Combined | County | Single-year | 1969- | White, Black, Other | ||||
| All States Combined (Adjusted) | County | 19 Age Groups | 1990- | 4 Expanded Races by Origin | ||||
| All States Combined | County | 19 Age Groups | 1990- | 4 Expanded Races by Origin | ||||
| All States Combined (Adjusted) | County | Single-year | 1990- | 4 Expanded Races by Origin | ||||
| All States Combined | County | Single-year | 1990- | 4 Expanded Races by Origin | ||||
| All States Combined (Adjusted) | State | 19 Age Groups | 1981-2013 | White and Non-White by Hispanic Origin | ||||
| All States Combined | State | 19 Age Groups | 1981-2013 | White and Non-White by Hispanic Origin | ||||
| All States Combined (Adjusted) | State | Single-year | 1981-2013 | White and Non-White by Hispanic Origin | ||||
| All States Combined | State | Single-year | 1981-2013 | White and Non-White by Hispanic Origin | ||||
| All States Combined (Adjusted) | State | 19 Age Groups | 1981-2013 | 4 Expanded Races by Origin | ||||
| All States Combined | State | 19 Age Groups | 1981-2013 | 4 Expanded Races by Origin | ||||
| All States Combined (Adjusted) | State | Single-year | 1981-2013 | 4 Expanded Races by Origin | ||||
| All States Combined | State | Single-year | 1981-2013 | 4 Expanded Races by Origin |
SEER Population Data - State and County Level Files for Each State
Other sources of U.S. county population data:
For pre-1969 county data the Census provides county population estimates for 1900, 1910, ... , 1990.
The University of Virginia Library's Geostat Center created electronic versions of the 1944-on County and City Data Books. These have county population estimates for 1930, 1940, 1943, 1950, 1960.
Paper sources for pre-1969 data include Census Report P25-427 "Estimates of the population of counties and metropolitan areas, July 1, 1966", and P25-461 "Components of population change by county: 1960 to 1970".
Contact data@nber.org to report errors or problems.
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