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☰ Menu US Gazetteer Louisiana Parishes Cities ZIP Codes Features US > Louisiana Louisiana Gazetteer Louisiana - Basic Information Became a State: April 30, 1812 - 18th State Population: 4,533,372 (2010 Census) - Ranks 25th Land Area: 43,203.9 square miles - Ranks 33rd Population Density: 104.9 persons per square mile - Ranks 24th Housing Units: 1,964,981 (2010 Census) Housing Unit Density: 45.5 housing units per square mile July 1, 2019 Estimates: Louisiana Data and Demographics State Capital: Baton Rouge State Website: Official State of Louisiana Website Louisiana State Flag Quick & Easy Ways to... Get Current Demographic Data for Cities, Towns, and ZIP Codes View Boundary Maps, for Cities, Towns, and ZIP Codes Locate Physical, Cultural, and Historical Features Use HTL Address Research for a Louisiana Address and get... Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood , city, parish, ZIP Code, and school zone. July 1, 2019, data includes home values, household income, percentage of homes owned, rented or vacant , etc. Louisiana History Louisiana State Flower - Magnolia Blossom The United States acquired the area of Louisiana from France in 1803 as part of the Louisiana Purchase, although the area east of the Mississippi River and north of Lake Pontchartrain and the southwestern boundary were disputed with Spain until 1812. Orleans Territory, which included the greater part of Louisiana, was organized on March 26, 1804. (The Louisiana Territory, organized on March 3, 1805, did not include any of the present-day state of Louisiana; the Louisiana Territory was the portion of the Louisiana Purchase that was north of the 33rd parallel, which is the current northern boundary of the state of Louisiana.) Louisiana was admitted to the Union on April 30, 1812, as the 18th state, with generally the same boundary as the present state. Census data for Louisiana are available beginning with the 1810 census. The 1810 population is for Orleans Territory, which conformed to the present-day state boundary. Data for the legally established state of Louisiana are available beginning with the 1820 census. Louisiana Geographical Areas See: Geographic Terms & Concepts Counties & County Equivalents Interactive Map of Louisiana Parishes | Static Overview Map of Louisiana Parishes There are 64 county equivalents in Louisiana known as parishes. Four parishes are not considered to be functioning governmental units because they have consolidated their functions with an incorporated place. East Baton Rouge Parish and Baton Rouge city are partially consolidated governmentally at the parish level. Baton Rouge city retains separate boundaries and some municipal functions. Lafayette Parish and Lafayette city are partially consolidated governmentally at the parish level. Lafayette city maintains separate boundaries and some municipal functions. Orleans Parish and New Orleans city are governmentally consolidated at the city level. Terrebonne Parish and Houma city are governmentally consolidated at the parish level but are not coextensive. Houma city is a nonfunctioning geographic entity with separate boundaries within the consolidated government. The governing body of each parish is the police jury, except for Jefferson and Plaquemines Parishes which each have parish councils. Acadia Allen Ascension Assumption Avoyelles Beauregard Bienville Bossier Caddo Calcasieu Caldwell Cameron Catahoula Claiborne Concordia De Soto East Baton Rouge East Carroll East Feliciana Evangeline Franklin Grant Iberia Iberville Jackson Jefferson Jefferson Davis La Salle Parish Lafayette Lafourche Lincoln Livingston Madison Morehouse Natchitoches Orleans Ouachita Plaquemines Pointe Coupee Rapides Red River Richland Sabine St. Bernard St. Charles St. Helena St. James St. John the Baptist St. Landry St. Martin St. Mary St. Tammany Tangipahoa Tensas Terrebonne Union Vermilion Vernon Washington Webster West Baton Rouge West Carroll West Feliciana Winn -- Select Parish -- Acadia Allen Ascension Assumption Avoyelles Beauregard Bienville Bossier Caddo Calcasieu Caldwell Cameron Catahoula Claiborne Concordia De Soto East Baton Rouge East Carroll East Feliciana Evangeline Franklin Grant Iberia Iberville Jackson Jefferson Jefferson Davis La Salle Parish Lafayette Lafourche Lincoln Livingston Madison Morehouse Natchitoches Orleans Ouachita Plaquemines Pointe Coupee Rapides Red River Richland Sabine St. Bernard St. Charles St. Helena St. James St. John the Baptist St. Landry St. Martin St. Mary St. Tammany Tangipahoa Tensas Terrebonne Union Vermilion Vernon Washington Webster West Baton Rouge West Carroll West Feliciana Winn County Subdivisions There are 579 county subdivisions in Louisiana known as minor civil divisions (MCDs). There are 578 parish governing authority districts, which are nongovernmental, nonfunctioning subdivisions of the parish used for conducting elections. New Orleans city is independent of any MCD and serves as an MCD equivalent. Places (Incorporated Cities, Towns & Census Designated Places (CDPs)) Louisiana State Bird - Eastern Brown Pelican There are 473 places in Louisiana; 304 incorporated places and 169 census designated places (CDPs). The incorporated places consist of 69 cities, 128 towns, and 107 villages. Houma city, though a legal entity, does not have a functioning government. The minimum population threshold for incorporation in Louisiana is 300. Villages have a population of up to 999, towns have a population of between 1,000 and 4,999, and cities have a minimum population of 5,000. Louisiana Land & Properties for Sale Click Here To Find Amazing Properties, Farms & Ranches Available Now in Louisiana. Alphabetical List of Cities, Towns, CDPs and Other Populated Places A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q, R | S | T | U, V | W, X, Y, Z Louisiana Civil Features Louisiana Civil Features : Political Subdivisions, Native Areas, Land Grants, etc. - sorted by Census Class Codes . Metropolitan and Micropolitan Statistical Areas There are 9 Metropolitan and 10 Micropolitan Statistical Areas in Louisiana. LA Metopolitan & Micropolitan Areas Louisiana ZIP Code Tabulation Areas There are 516 ZIP Code tabulation areas (ZCTAs) in Louisiana. View Louisiana ZIP Codes and ZIP Code Maps . School Districts Louisiana has 69 unified school districts. View Louisiana Public and Private Schools . Congressional Districts Louisiana has 6 congressional districts. An interactive map shows the contact information for each Representative as well as the boundaries for each Louisiana district. View Map of Louisiana Congressional Districts . State Legislative Districts There are 39 state senate districts and 105 state house districts in Louisiana. In addition, there is one state house district and one state senate district not defined which encompasses water area. American Indian Areas Louisiana has four federally-recognized American Indian reservations, two with off-reservation trust land. There are also five state designated tribal statistical areas (SDTSAs). Louisiana Physical, Cultural and Historic Features Louisiana Physical Features such as lakes, islands, streams, valleys, summits, etc. Louisiana Cultural Features such as schools, churches, hospitals, parks, dams, reservoirs, etc. Louisiana Historical Features and Louisiana Historic Landmarks Louisiana Maps OVERVIEW Map of Louisiana Parishes INTERACTIVE Maps of Louisiana Parishes Louisiana Congressional Districts To find a ZIP Code: input the address in the top-left search box of any ZIP Code Map . To find the Parish: input the address in the top-left search box of the interactive LA map . To find the School Attendance Zone: input the address in the top-left search box of any LA school map Quick & Easy Ways to... Get Current Demographic Data for Cities, Towns, and ZIP Codes View Boundary Maps, for Cities, Towns, and ZIP Codes Locate Physical, Cultural, and Hi...