1810 United States census
The 1810 United States census was the third census conducted in the United States. It was conducted on August 6, 1810. It showed that 7,239,881 people were living in the United States, of whom 1,191,362 were slaves.
The 1810 census included one new state: Ohio. The original census returns for the District of Columbia, Georgia, Mississippi, New Jersey, and Ohio were lost or destroyed over the years. Most of Tennessee's original forms were also lost, other than Grainger and Rutherford counties.
This was the last census with Virginia ranked as the most populous state.
Census questions
The 1810 census form contained the following information :- City or township
- Name of the head of family
- Number of free white males under age 10
- Number of free white males age 10 to under 16
- Number of free white males age 16 to under 26
- Number of free white males age 26 to under 45
- Number of free white males age 45 and over
- Number of free white females under age 10
- Number of free white females age 10 to under 16
- Number of free white females age 16 to under 26
- Number of free white females age 26 to under 45
- Number of free white females age 45 and over
- Number of all other free persons
- Number of slaves
Note to researchers
Data availability
No microdata from the 1810 population census are available, but aggregate data for small areas, together with compatible cartographic boundary files, can be downloaded from the National Historical Geographic Information System.State rankings
| Rank | State | Population |
| 01 | Virginia | 983,152 |
| 02 | New York | 959,049 |
| 03 | Pennsylvania | 810,091 |
| 04 | Massachusetts | 700,745 |
| 05 | North Carolina | 556,526 |
| 06 | South Carolina | 415,115 |
| 07 | Kentucky | 406,511 |
| 08 | Maryland | 380,546 |
| 09 | Connecticut | 262,042 |
| 10 | Tennessee | 261,727 |
| 11 | Georgia | 251,407 |
| 12 | New Jersey | 245,555 |
| 13 | Ohio | 230,760 |
| — | Maine | 228,705 |
| 14 | Vermont | 217,713 |
| 15 | New Hampshire | 214,360 |
| – | West Virginia | 105,469 |
| 16 | Rhode Island | 76,931 |
| — | Louisiana | 76,556 |
| 17 | Delaware | 72,674 |
| — | Mississippi | 31,306 |
| — | Indiana | 24,520 |
| — | Missouri | 19,783 |
| — | District of Columbia | 15,471 |
| — | Illinois | 12,282 |
| — | Alabama | 9,046 |
| — | Michigan | 4,762 |
| — | Arkansas | 1,062 |