- KEY TO THE 1830
and 1840 CENSUS
- Male column #1 and Female
column #1
- first number = under 5
- second number = over 5
and under 10
- third number = over 10
and under 15
- fourth number = over
15 and under 20
- fifth number = over 20 and
under 30
- sixth number = over 30 and
under 40
- seventh number = over 40 and
under 50
- eighth number = over 50 and
under 60
- Male column #2 and Female
column #2
- first number = over 60 and
under 70
- second number = over 70 and
under 80
- third number = over 80 and
under 90
- fourth number = over 90 and
under 100
- fifth number = over 100