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United States Population 2025 & Religious Demographics: Trends & Insights
The United States of America (USA) or the United States is a country located in North America. It’s the world’s third-largest country by total area & also the third most populous country in the world.
According to the US Census 2020, the population of the United States in 2020 is 331,449,281 (331 million), and as per US Census estimates, The estimated population of the United States in 2025 is 341,004,896 (34 Crore or 341 million)
Source: U.S. Census Bureau, Population Division
read about the Top US States by population
The United States has a population growth rate during 2020-2021 of 0.59%. Its population is equivalent to 4.25% of the total world population. The total Land Area of the United States is 9,147,593 sq. km (3,531,905 sq. mi) and the Population Density of the United States is 37 per sq. Km (96 people per sq. mi).
| USA | 2025 Population |
| Total Population | 341,004,896 |
| Global Rank | 3rd |
| Share of World Pop. | 4.25% |
| Land Area | 9,147,593 sq. km (3,531,905 sq. mi) |
| Area Rank | 3rd |
Density | 37 person/sq. km (96 per sq. mi) |
| Fertility Rate | 1.78 |
| Infant mortality rate | 5.7 |
| Median Age | 38.3 Years |
| Life Expectancy | 77.8 year |
| Urban Population | 83 % |
Religious Demographics of US (2025 Updated)
The United States has the world’s largest Christian population. Christianity with 70.60% followers is the largest religion in the United States. Among Christians Protestant Churches (46.6%) have the most adherents followed by Roman Catholics (20.8%), Mormons (1.6%), Orthodox Christians (0.5%), Jehovah’s Witnesses (0.8%), and other Christians.
Non-Christian Faith has 5.9% adherents and includes Jewish, Islam, Hinduism, and Buddism are the main minority religions. And the remaining 22.80% of people don’t affiliate with any religion, they mean agnostic, atheist, or nothing in particular.
Religion Percentage in US
| Christians | 70.60% |
| – Protestant | 46.6 |
| – Roman Catholic | 20.8 |
| – Mormon | 1.60% |
| – Orthodox Christian | 0.50% |
| – Jehovah’s Witness | 0.80% |
| – Other Christians | 0.40% |
| Non- Christian Faiths | 5.90% |
| – Jewish | 1.90% |
| – Muslim | 0.90% |
| – Hindu | 0.70% |
| – Buddhist | 0.70% |
| – Other religions | 0.30% |
| – Other Faiths | 1.50% |
| Unaffiliated | 22.80% |
| – Atheist | 3.10% |
| – Agnostic | 4% |
| – Nothing | 15.80% |
| – Don’t Know | 0.60% |
read more about religion in the United States
Projected Religious Demographics in US (2010-2050)
According to the PEW Research center, The percentage of Christians is gradually declining, while the unaffiliated population is growing. Muslims and Hindus are expected to increase slightly, while Jews and Buddhists remain relatively stable
| Year | Christians | Muslims | Unaffiliated | Hindus | Buddhists | Folk & Other Religions | Jews |
|---|---|---|---|---|---|---|---|
| 2020 | 75.5% | 1.1% | 18.6% | <1% | 1.2% | <1% | 1.7% |
| 2030 | 72.2% | 1.4% | 21.2% | <1% | 1.3% | 1.1% | 1.6% |
| 2040 | 69.1% | 1.8% | 23.6% | 1.1% | 1.4% | 1.3% | 1.5% |
| 2050 | 66.4% | 2.1% | 25.6% | 1.2% | 1.4% | 1.5% | 1.4% |
Largest US Cities by Population
More than 300 Cities in the United States have populations above 100,000. Only 10 cities have a million plus population. New York with 8.8 million inhabitants, is the most populated city followed by Los Angels and Chicago.
| # | City | States | Pop. 2020 |
| 1 | New York | New York | 8,804,190 |
| 2 | Los Angeles | California | 3,898,747 |
| 3 | Chicago | Illinois | 2,746,388 |
| 4 | Houston | Texas | 2,304,580 |
| 5 | Phoenix | Arizona | 1,608,139 |
| 6 | Philadelphia | Pennsylvania | 1,603,797 |
| 7 | San Antonio | Texas | 1,434,625 |
| 8 | San Diego | California | 1,386,932 |
| 9 | Dallas | Texas | 1,304,379 |
| 10 | San Jose | California | 1,013,240 |
read more about Top Cities in the United States
Source: US Census 2020
Indian Population in United States
As per the Ministry of External Affairs report 2018, there are 4,460,000 (44.60 Lakhs) Indians residing in the United States.
- Persons of Indian Origin (PIOs) – 3,180,000 ( 31.80 Lakhs)
- Non-Resident Indians (NRIs) – 1,280,000 (12.80 Lakhs)
Read more about Indian Population in United States