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Population and Demography of Louisiana
Louisiana is a state in the South Central region of the United States. Louisiana is bordered by the state of Texas to the west, Arkansas to the north, Mississippi to the east, and the Gulf of Mexico to the south.
Louisiana is the 25th most populous state in the United States. The total Land area is 43,601 square miles (112,927 square kilometers) and there is an average of 107 people for every square mile. This makes Louisiana the 24th most densely populated state in the US. As per the United States Census Bureau, the population of Louisiana in 2020 is 4,657,757 (4.6 million)
Estimated Population of Louisiana in 2024 – 4,573,749 or 4.5 million
Louisiana Population (2010-2020)
Louisiana has a population growth rate of 2.7% during 2010-2020. It has had a population increase of 124,385 since 2010. The median age is 36.2 years, with 51.1% Female, and 48.9% Male.
| Louisiana | Census 2020 |
| Total Population | 4,657,757 (4.6 million) |
| Median Age | 36.2 years |
| Population Rank | 25th |
| Total Land Area | 43,601 sq mi (112,927 km2) |
| Area Rank | 31st |
| Population Density | 106.9/sq mi (41.3/km2) |
| Capital City | Baton Rouge |
| Largest City | New Orleans |
Source: US Census 2020
Louisiana Historical Population
In the year 1910, Louisiana’s Population was 1.4 million and in 2020 it reached 4.6 million, an increase of almost 3 million.
Let’s look at decade population and percentage change
| Census | Population | % Change |
| 1810 | 76,556 | – |
| 1820 | 153,407 | 100.40% |
| 1830 | 215,739 | 40.60% |
| 1840 | 352,411 | 63.40% |
| 1850 | 517,762 | 46.90% |
| 1860 | 708,002 | 36.70% |
| 1870 | 726,915 | 2.70% |
| 1880 | 939,946 | 29.30% |
| 1890 | 1,118,588 | 19.00% |
| 1900 | 1,381,625 | 23.50% |
| 1910 | 1,656,388 | 19.90% |
| 1920 | 1,798,509 | 8.60% |
| 1930 | 2,101,593 | 16.90% |
| 1940 | 2,363,516 | 12.50% |
| 1950 | 2,683,516 | 13.50% |
| 1960 | 3,257,022 | 21.40% |
| 1970 | 3,641,306 | 11.80% |
| 1980 | 4,205,900 | 15.50% |
| 1990 | 4,219,973 | 0.30% |
| 2000 | 4,468,976 | 5.90% |
| 2010 | 4,533,372 | 1.40% |
| 2020 | 4,657,757 | 2.70% |
Source: US Census 2020
Religion and Affiliations
Christianity is the majority religion in Louisiana followed by 85% of the population. The largest Christian denomination in Louisiana is Protestant (57%); Roman Catholic (26%); Jehovah’s Witnesses (1%).
Next comes the Unaffiliated population, 13% of the population doesn’t follow or adhere to any faith or religion. Other faiths include Hindu, Jewish, Buddhist, and Islam, and together make up 2 % of Louisiana’s population.
For more details read Religion in Louisiana
Race and Ethnicity
In 2020, the White alone (non-Hispanic) population was the largest racial or ethnic group in Louisiana, comprising 55.75% of the total population. It was followed by the Black or African American population whose share was 31.18%. Hispanic or Latino was the third largest group at 6.92%. Two or more races are at 3.35% and Asians are at 1.83%
Ancestry in Louisiana
As per Census Studies & estimate French, American, German, Irish, and English have made the five largest ancestry groups in Louisiana.
For more Details read Race and Ethnicity in Louisiana
Top Cities and Counties in Louisiana
As of 2022, the state of Louisiana is divided into 64 parishes, which are analogous to counties in other states. The most populous Parish in Louisiana is East Baton Rouge Parish (1.26 million), and The Largest Parish by Land Area in Louisiana is Plaquemines Parish. New Orleans is the most populated city in Louisiana. It’s followed by Baton Rouge and Shreveport.
read more Cities and Counties in Louisiana
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