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1790-1840 US Census Keys


Key to 1790 Federal Census Data
| Head of H'hold | # Free White Male 16 yr & up | Free White Males under 16 | Free White Females | All Other Free Persons | Slaves|
Key to 1800 & 1810 Federal Census Data
----------Free White Males-----------------------------------Free White Females--------Other Free Persons ---------------Slaves
under 10 | 10-15 | 16-25 | 26-44 | 45 & up | under 10 | 10-15 | 16-25 | 26-44 | 45 & up|------- # in Household------------------- # in Household

Key to the 1820 Census Data
Free White Males: under 10 | 10-under 16 |16-under 18 | 16-under 26 | 26-under 45 | 45 and up
Free White Females: under 10 | 10-under 16 | 16-under 26 | 26-under 45 | 45 and up
Foreigners not naturalized | Persons engaged in Agriculture | Persons engaged in Commerce | Persons engaged in Manufactures |
Male Slaves: | under 14 | 14-26 | 26-45 | 45 & up |
Female Slaves: | under 14 | 14-26 | 26-45 | 45 & up |
Free Colored Males: | under 14 | 14-26 | 26-45 | 45 & up |
Free Colored Females: | under 14 | 14-26 | 26-45 | 45 & up |
All other person's except Indians not taxed

Key to the 1830 & 1840 Census Data
Free White Males: under 5 | 5-10 |10-15 | 15-20 | 20-30 | 30-40 | 40-50 | 50-60 | 60-70 | 70-80 | 80-90 | 90-100 | 100 & up |
Free White Females: under 5 | 5-10 |10-15 | 15-20 | 20-30 | 30-40 | 40-50 | 50-60 | 60-70 | 70-80 | 80-90 | 90-100 | 100 & up |
Male Slaves: | under 10 | 10-24 | 24-36 | 36-55 | 55-100 | 100 & up |
Female Slaves: | under 10 | 10-24 | 24-36 | 36-55 | 55-100 | 100 & up |
Free Colored Males: | under 10 | 10-24 | 24-36 | 36-55 | 55-100 | 100 & up |
Free Colored Females: | under 10 | 10-24 | 24-36 | 36-55 | 55-100 | 100 & up |
Total Persons in Household
White Person: | Deaf & Dumb under 14 | Deaf & Dumb 14-25 | Deaf 25 & up | Blind | Foreigners not naturalized
Slaves & Colored Persons: | Deaf & Dumb under 14 | Deaf & Dumb 14-25 | Deaf 25 & up | Blind


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