In 1819, there were 11 free states in the Union, keeping things evenly matched with 11 slave states.
How many free states were there in 1819?
There were 11 free states in 1819, which kept the Senate perfectly balanced between free and slave states.
That balance wasn’t just a coincidence—each state gets two senators, so Congress needed that equal split to avoid deadlocks on slavery debates. The number mattered because it influenced everything from national laws to the heated arguments leading up to the Missouri Compromise.
What were the 11 free states?
In 1819, the 11 free states were: Connecticut, Illinois, Indiana, Maine, Massachusetts, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, and Rhode Island.
These states had already outlawed slavery through state constitutions or gradual abolition laws passed in the late 1700s and early 1800s. Their presence in Congress gave anti-slavery voices real power during that tense era.
What states were there in 1819?
| State | Date of Admission | Slavery Status |
|---|
| Alabama | December 14, 1819 | Slave state |
| Maine | March 15, 1820 | Free state |
| Missouri | August 10, 1821 | Slave state |
| Arkansas | June 15, 1836 | Slave state |
Which states were free states in 1820?
In 1820, free states included Maine, Massachusetts, New Hampshire, New York, Ohio, Pennsylvania, Rhode Island, Vermont, Connecticut, New Jersey, and Indiana.
That year’s Missouri Compromise added Maine as a free state to balance Missouri’s entry as a slave state. The deal also drew a line—no slavery allowed north of the 36°30′ parallel in the Louisiana Purchase territory.
What were the 12 free states?
By 1821, the 12 free states were: Connecticut, Illinois, Indiana, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, and Rhode Island.
Illinois joined in 1818, and Michigan, though organized as a territory in 1805, became a state in 1837. Each new free state shifted the political power balance in Congress—sometimes in dramatic ways.
What states did not allow slavery?
Pennsylvania was the first state to prohibit slavery in 1780, followed by New Hampshire, Massachusetts, Connecticut, Rhode Island, Vermont, New York, and New Jersey.
Most used gradual emancipation laws, but Vermont took the bold step of banning slavery outright in its 1777 state constitution. Honestly, this is the kind of forward-thinking that set the tone for the rest of the country.
Which state was the last to free slaves?
West Virginia was the last state to fully abolish slavery, doing so in February 1865 after joining the Union in 1863.
Its delayed abolition makes sense when you consider West Virginia split from Virginia during the Civil War. The state ratified the 13th Amendment that same year, finally putting slavery to rest nationwide.
What was the first state to free slaves?
Pennsylvania became the first state to abolish slavery in 1780 with its Gradual Abolition Act.
The law freed enslaved people born after its passage once they turned 28. That made Pennsylvania an early leader in the anti-slavery movement, even among the original 13 states.
Which states had the most slaves?
New York had the highest number of enslaved people in 1819, with over 20,000, followed by New Jersey with nearly 12,000.
These numbers catch most people off guard because we tend to think of Northern states as uniformly anti-slavery. New York and New Jersey, though, held large enslaved populations even as they moved toward abolition. Vermont, meanwhile, banned slavery way back in 1777 when it was still an independent republic.
What was the 1st state?
Delaware was the first state, ratifying the U.S. Constitution on December 7, 1787.
Nicknamed “The First State,” Delaware didn’t just set the trend—it literally got the ball rolling for the other 12 original colonies. Its quick ratification showed strong Federalist support across the state.
How did the 13 colonies become 50 states?
The 13 colonies became 50 states through ratification of the U.S. Constitution and later territorial expansions.
After the Revolution, the original colonies ratified the Constitution between 1787 and 1790. Then came the big land grabs—the Louisiana Purchase, the Mexican Cession, and other treaties. Over time, as populations grew, new states joined the Union one by one.
What is the oldest state in the United States?
Maine is the oldest state in the Union, according to the U.S. Census Bureau’s population estimates as of 2026.
Maine’s claim to “oldest” comes from its steady population growth and early settlement compared to other states. It beats out New Hampshire and Vermont in median age and keeps its population more stable over time.
How many total states are there in 1820?
There were 23 states in the Union in 1820, according to the U.S. Census.
The 1820 Census counted 9,638,453 people across these states, with cities like New York and Philadelphia driving much of the growth. That total reflects how fast the country was expanding westward and how quickly new states like Maine and Missouri were joining.
Did Missouri join the Confederacy?
Missouri remained officially in the Union during the Civil War, though it had competing governments and troops fighting on both sides.
That split loyalty turned the state into a battleground. While a pro-Confederate faction formed, the Union-aligned government controlled Missouri’s official status throughout the war.
What 3 things did the Missouri Compromise do?
The Missouri Compromise admitted Missouri as a slave state and Maine as a free state, while banning slavery in most of the Louisiana Purchase north of the 36°30′ parallel.
This 1820 agreement bought the country some time by keeping the Senate balanced. But it also set a dangerous precedent—future states’ slavery status would depend on geography, not on what voters actually wanted.
