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# County Population Data Dictionary - 1969-2023

## File Format

- Fixed length ASCII text records (26 bytes)
- One population per record/line
- Windows (CR/LF) line delimiters
- All numeric data is zero filled to the left

Variable Name and Values | Start Column | Length | Data Type
--- | --- | --- | ---
Year (1969, 1970, 1971...) | 1 | 4 | numeric
State postal abbreviation "KR" is used for the dummy state created to represent hurricane Katrina/Rita evacuees | 5 | 2 | character
State FIPS code Field is 9-filled for dummy state created to represent hurricane Katrina/Rita evacuees | 7 | 2 | numeric
County FIPS code Field is 9-filled for dummy state created to represent hurricane Katrina/Rita evacuees | 9 | 3 | numeric

Race
1969+ data:
  1 = White
  2 = Black
  3 = Other
1990+ data:
  1 = White
  2 = Black
  3 = American Indian/Alaska Native
  4 = Asian or Pacific Islander

14

1

numeric

Origin
Applicable to 1990+ data:
  0 = Non-Hispanic
  1 = Hispanic
  9 = Not applicable in 1969+ W,B,O files

15

1

numeric

Sex
  1 = Male
  2 = Female

16

1

numeric

Age
19 Age group data:
  00 = 0 years
  01 = 1-4 years
  02 = 5-9 years
  03 = 10-14 years
  04 = 15-19 years
  …
  17 = 80-84 years
  18 = 85-89 years
  19 = 90+ years
Single age data:
  00 = 0 years
  01 = 1 years
  02 = 2 years
  …
  88 = 88 years
  89 = 89 years
  90 = 90+ years

17

2

numeric

Population | 19 | 8 | numeric