- Key
to the 1820 census:
- Free white males: Each
digit of the 6 digit number represents an age group.
- First digit = under 10
- Second digit = 10 and under 16
- Third digit = 16 and under 18
- Fourth digit = 18 and under 26
- Fifth digit = 26 and under 45
- Sixth digit = 45 and up
-
- Free white females: Each
digit of the 5 digit number represents an age group.
- First digit = under10
- Second digit = 10 and under 16
- Third digit = 16 and under 26
- Fourth digit = 26 and under 45
- Fifth digit = 45 and up
-
- How many in this occupation:
- Agr = agriculture. Com = Commerce.
Man = manufacturing.
-
- Free Colored Males: Each
digit of the 4 digit number represents an age group.
- under 14 * under 26 * under 45 * 45 and up
-
- Free Colored Females: Each
digit of the 4 digit number represents an age group.
- under 14 * under 26 * under 45 * 45 and up
-
- Slave schedules: Each
digit of the 4 digit number represents an age group.
- Males: under 14 * under 26 * under 45 * 45 and
up
- Females: under 14 * under 26 * under 45 * 45
and up