States With the Highest Number of Atheists

By: Beth Moreton | Published: Apr 30, 2024

Religion may be a thing of the past as a growing number of people are turning to Atheism.

Some states have more Atheists than others, with some results being more shocking than others.


According to I Sold My House, Vermont has the highest number of Atheists, as 8% of the population consider themselves to be Atheists.

Green and orange trees along a lake. The trees are reflected in the water.

Source: Peter James Eisenhaure/Unsplash

A significant proportion of the population are Atheists, at 45,322. This is compared to just 22% of the population in Vermont being Catholic.

New Hampshire

New Hampshire has another high amount of Atheists in the state, as according to the Pew Research Center, 6% of adults in New Hampshire are Atheists. 

A white house is next to a road by a lake. The trees surrounding it are green and orange, and there is a boat on the lake.

Source: Suraj Gattani/Unsplash

36% of people are not affiliated with any religion (this includes Atheists). However, the biggest religion in New Hampshire is Evangelical Protestantism, at 59%. 


5% of adults living in Washington consider themselves Atheists, who are part of the 32% in the state who don’t have any particular affiliation to religion.

A view of a Washington road leading up to the capitol building. There are cars on the road and two cycle lanes in the center. Trees and buildings are on either side of the road.

Source: Jorge Alcala/Unsplash

In comparison, Komo News states that 61% of adults living in Washington would still consider themselves to be Christian.


The same percentage of adults in Massachusetts as Washington consider themselves Atheists, at 5%.

A view of Boston, Massachusetts, at night. The city is lit up, and cars are driving over the bridge. A river runs underneath the bridge.

Source: Venti Views/Unsplash

According to the Pew Research Center, this is included within the 32% of adults in Massachusetts who don’t consider themselves to have any particular religion. 


Many states in the US have 5% of their adult population who identify as Atheists, and that includes Oregon.

A road in Oregon. A green sign on the side of the road says, “Welcome to Oregon.” Green trees are on either side of the road.

Source: Everett McIntire/Unsplash

They are included in the 31% who don’t have any religion, as stated by the Pew Research Center, compared to the 61% who identify as Christian.



Connecticut has one of the highest percentages of religious adults out of all the US states, as 70% of its adult population consider themselves to be Christian.

A lake in Connecticut. There is a boat on the water with two people on it. An American flag is flying on it. A lighthouse and some white buildings are on a little island on the lake.

Source: Rusty Watson/Unsplash

The Pew Research Center states that this is in comparison to the 23% who are unaffiliated with religion, with 5% of these being Atheists. 



The Pew Research Center states that 28% of adults in Nevada are not affiliated with any religion, 5% of which are Atheists.

Redrock Canyon in Nevada. There is a road running through the canyon.

Source: Joel Protasio/Unsplash

This is compared to 66% of the population who consider themselves Christian.



Another 5% of the adult population in Alaska are Atheists.

A mountain range in Alaska next to a lake. Green trees separate the mountains and the lake, and a light, cloudy haze surrounds the lake.

Source: Katherine Coonjohn/Unsplash

According to the Pew Research Center, they are among the 31% of Alaskan adults who are unaffliliated with any religion.


New York

The overall percentage of adults in New York who are unaffiliated with any religion is 24%, with just 4% of these being Atheists.

A view of the skyline in New York. The city is covered in high-rise buildings, and the sky is orange.

Source: Michael Discenza/Unsplash

According to the Pew Research Center, the highest religion percentage in New York is Christianity, at 59%.



Just 27% of the adult population in California are unaffiliated with religion, 4% of which are Atheists.

A view of the Golden Gate Bridge in San Francisco, California. The bridge is red and goes over some water. There is land on either side.

Source: Maarten van den Heuvel/Unsplash

The Pew Research Center says this is compared to the 63% of Christian adults. 



The Pew Research Center states that only 4% of Colorado’s adult population are Atheists.

A view of the Maroon Bells Mountains in Colorado. There are mountains in the distance and green and orange trees on either side of a body of water.

Source: Mike Schied/Unsplash

This percentage is included in the 29% of Colorado adults who don’t consider themselves affiliated with any religion.