1804 United States elections

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{{Use mdy dates|date=January 2025}}

{{Infobox United States elections

| year = 1804

| type = Presidential election year

| election_day =

| incumbent_president = Thomas Jefferson
(Democratic-Republican)

| next_congress = 9th

| president_control = Democratic-Republican hold

| president_candidate1 = Thomas Jefferson (DR)

| electoral_vote1 = 162

| president_candidate2 = Charles C. Pinckney (F)

| electoral_vote2 = 14

| president_map = {{1804 United States presidential election imagemap}}

| president_map_caption = 1804 presidential election results. Green denotes states won by Jefferson, burnt orange denotes states won by Pinckney. Numbers indicate the number of electoral votes allotted to each state.

| senate_control = Democratic-Republican hold

| senate_seats_contested = 11 of 34 seatsNot counting special elections.

| senate_net_change = Democratic-Republican +2Congressional seat gain figures only reflect the results of the regularly-scheduled elections, and do not take special elections into account.

| house_control = Democratic-Republican hold

| house_seats_contested = All 142 voting members

| house_net_change = Democratic-Republican +11

|governor_seats_contested=13|governor_net_change=+1 Federalist|governor_map=400px|governor_map_caption=1804 gubernatorial election results

{{Legend0|#5fd45f|Democratic-Republican gain}} {{Legend0|#237d23|Democratic-Republican hold}}
{{Legend0|#f08a62|Federalist gain}} {{Legend0|#ba3e11|Federalist hold}}}}

Elections were held for the 9th United States Congress, in 1804 and 1805. The election took place during the First Party System. The Democratic-Republican Party continued its control of the presidency and both houses of Congress.

In the presidential election, incumbent Democratic-Republican President Thomas Jefferson easily defeated Federalist former Governor Charles Pinckney of South Carolina.{{cite web|title=1804 Presidential Election|url=http://www.presidency.ucsb.edu/showelection.php?year=1804|website=The American Presidency Project|access-date=25 June 2014}} As the Twelfth Amendment had been ratified in 1804, this was the first election in which electors separately selected a president and a vice president.

In the House, DemocraticRepublicans won moderate gains, boosting their already-dominant majority.{{cite web|title=Party Divisions of the House of Representatives|url=http://history.house.gov/Institution/Party-Divisions/Party-Divisions/|publisher=United States House of Representatives|access-date=25 June 2014}}

In the Senate, Democratic-Republicans made small gains, improving on their commanding majority.{{cite web|title=Party Division in the Senate, 1789-Present|url=https://www.senate.gov/pagelayout/history/one_item_and_teasers/partydiv.htm|publisher=United States Senate|access-date=25 June 2014}}