1840 United States census
E800900
The 1840 United States census was the sixth national population count, documenting demographic data across the expanding states and territories of the U.S. prior to significant pre–Civil War growth and change.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 1840 United States census canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9468080 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 1840 United States census Context triple: [Census Day, hasCensusDay, 1840 United States census]
-
A.
1870 United States census
The 1870 United States census was the ninth national population count, notable as the first conducted after the Civil War and the abolition of slavery, providing key demographic data that shaped subsequent political representation and policy.
-
B.
1880 United States Census
The 1880 United States Census was a nationwide population count conducted by the U.S. Census Bureau that provided detailed demographic, occupational, and social data on Americans at the end of the 19th century.
-
C.
1890 United States Census
The 1890 United States Census was a decennial national population count whose data, though largely lost to fire, significantly influenced later U.S. immigration policy and historical understanding of American demographics at the close of the 19th century.
-
D.
1790 United States census
The 1790 United States census was the first national population count conducted in the U.S., used to determine representation in Congress and allocate seats in the House of Representatives.
-
E.
1900 United States Census
The 1900 United States Census was a nationwide population count conducted by the U.S. Census Bureau that documented demographic, economic, and social data on residents at the turn of the 20th century.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: 1840 United States census Target entity description: The 1840 United States census was the sixth national population count, documenting demographic data across the expanding states and territories of the U.S. prior to significant pre–Civil War growth and change.
-
A.
1870 United States census
The 1870 United States census was the ninth national population count, notable as the first conducted after the Civil War and the abolition of slavery, providing key demographic data that shaped subsequent political representation and policy.
-
B.
1880 United States Census
The 1880 United States Census was a nationwide population count conducted by the U.S. Census Bureau that provided detailed demographic, occupational, and social data on Americans at the end of the 19th century.
-
C.
1890 United States Census
The 1890 United States Census was a decennial national population count whose data, though largely lost to fire, significantly influenced later U.S. immigration policy and historical understanding of American demographics at the close of the 19th century.
-
D.
1790 United States census
The 1790 United States census was the first national population count conducted in the U.S., used to determine representation in Congress and allocate seats in the House of Representatives.
-
E.
1900 United States Census
The 1900 United States Census was a nationwide population count conducted by the U.S. Census Bureau that documented demographic, economic, and social data on residents at the turn of the 20th century.
- F. None of above. chosen
Statements (74)
| Predicate | Object |
|---|---|
| instanceOf |
United States census
ⓘ
national population census ⓘ |
| archivedBy | National Archives and Records Administration NERFINISHED ⓘ |
| censusDate | June 1, 1840 ⓘ |
| conductedBy | United States Census Office NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| dataTypeCollected |
age distribution
ⓘ
agriculture ⓘ blind persons ⓘ deaf and dumb persons ⓘ enslaved persons ⓘ free persons ⓘ insanity and mental illness ⓘ manufacturing ⓘ occupations ⓘ pensioners for Revolutionary or military services ⓘ race ⓘ schools and literacy ⓘ sex ⓘ |
| decennial | true ⓘ |
| endDate | 1840-11-01 ⓘ |
| enslavedPopulationCount | 2457255 ⓘ |
| followedBy | 1850 United States census ⓘ |
| follows | 1830 United States census NERFINISHED ⓘ |
| freePopulationCount | 14895308 ⓘ |
| frequency | every 10 years ⓘ |
| geographicCoverage | expanding United States states and territories ⓘ |
| includesState |
Alabama
NERFINISHED
ⓘ
Arkansas NERFINISHED ⓘ Connecticut NERFINISHED ⓘ Delaware NERFINISHED ⓘ Florida NERFINISHED ⓘ Georgia NERFINISHED ⓘ Illinois NERFINISHED ⓘ Indiana NERFINISHED ⓘ Kentucky NERFINISHED ⓘ Louisiana NERFINISHED ⓘ Maine NERFINISHED ⓘ Maryland NERFINISHED ⓘ Massachusetts NERFINISHED ⓘ Michigan NERFINISHED ⓘ Mississippi NERFINISHED ⓘ Missouri NERFINISHED ⓘ New Hampshire NERFINISHED ⓘ New Jersey NERFINISHED ⓘ New York NERFINISHED ⓘ North Carolina NERFINISHED ⓘ Ohio NERFINISHED ⓘ Pennsylvania NERFINISHED ⓘ Rhode Island NERFINISHED ⓘ South Carolina NERFINISHED ⓘ Tennessee NERFINISHED ⓘ Vermont NERFINISHED ⓘ Virginia NERFINISHED ⓘ |
| includesTerritory |
Arkansas Territory
NERFINISHED
ⓘ
Florida Territory NERFINISHED ⓘ Iowa Territory NERFINISHED ⓘ Territory of Orleans NERFINISHED ⓘ Wisconsin Territory NERFINISHED ⓘ |
| language | English ⓘ |
| legalBasis | Article I, Section 2 of the United States Constitution NERFINISHED ⓘ |
| legislatedBy | United States Congress NERFINISHED ⓘ |
| microfilmPublication | NARA microfilm publication M704 ⓘ |
| ordinalInSeries | 6 ⓘ |
| originalSchedulesSurviveForAllStates | false ⓘ |
| populationCount | 17069603 ⓘ |
| precedesEvent | American Civil War NERFINISHED ⓘ |
| publicationDate | 1841 ⓘ |
| series | United States decennial census NERFINISHED ⓘ |
| startDate | 1840-06-01 ⓘ |
| supervisedBy |
Joel Roberts Poinsett
NERFINISHED
ⓘ
Levi Woodbury NERFINISHED ⓘ |
| totalStatesEnumerated | 26 ⓘ |
| totalTerritoriesEnumerated | 6 ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: 1840 United States census Description of subject: The 1840 United States census was the sixth national population count, documenting demographic data across the expanding states and territories of the U.S. prior to significant pre–Civil War growth and change.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.